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Abstract

Çalışmamızda benign mediastinal/hiler lenfadenopati saptanan hastalar takip edilerek lenfadenopatiye neden olan hastalıkların dağılımı incelenmiştir. Çalışmamız, Mayıs 2015 ile Haziran 2016 tarihleri arasında prospektif olarak yürütüldü. Çalışmaya mediastinal/hiler lenfadenopati nedeni ile EBUS/ Mediastinoskopi/ Torakoskopi yapılan olgular alındı ve başlangıçta biyopside malignite saptanan hastalar çalışmadan çıkarıldı. Çalışmaya dahil edilen benign mediastinal/hiler LAP saptanan 93 hastanın %59.1 (55)’i kadın, %40.9 (38)’u erkek, yaş ortalaması 55.1 (±12.6) idi. Seksen üç hastaya Endobronşiyal Ultrason Eşliğinde Transbronşiyal İğne Aspirasyonu (EBUS TBİA), 7 hastaya mediastinoskopi, 2 hastaya Video-asiste torakoskopi (VATS) ve 1 hastaya torakotomi yapıldı. Hastaların son tanıları %53.8 (50) sarkoidoz, %12.9 (12) antrakoz, %5.1 (5) tüberküloz, %4.3 (4) silikozis, %1.1 (1) churg strauss sendromu, %1.1 (1) hipersensitivite pnömonisi, %1.1 (1) enfeksiyon, %1.1 (1) kanser, %19.4 (18) nedeni bilinmeyen olarak kabul edildi. Çalışmamızdaki esas bulgu benign mediastinal/hiler lenfadenopatinin en yaygın nedeninin sarkoidoz olarak bulunmasıdır. Enfeksiyöz nedenlerden tüberküloz ise 3. sıklıkta LAP nedeni olarak bulunmuştur. Ayrıca granülomatöz lenfadenitin benign mediastinal/hiler lenfadenopatilerin yarısından fazlasını oluşturduğu görülmüştür. Mediastinel/hiler LAP’lerin büyük oranda EBUS TBİA yöntemiyle örneklenebildiği saptanmıştır. Ayırıcı tanının yapılamadığı olgularda takip ile tanıya gidilebileceği de anlaşılmaktadır.
Tuberk Toraks 2018;66(3):212-216
Mediastinal/hiler granülomatöz lenfadenit etyolojisi
212
Mediastinal/hiler granülomatöz
lenfadenit etyolojisi
doi 10.5578/tt.67018
Tuberk Toraks 2018;66(3):212-216
Geliş Tarihi/Accepted: 04.07.2018
KLİNİK ÇALIŞMA

Müge ERBAY1
Savaş ÖZSU1
Emine Sevil AYAYDIN
MÜRTEZAOĞLU1
Atila TÜRKYILMAZ1
Neslihan ÖZÇELİK2
Yılmaz BÜLBÜL1
Şafak ERSÖZ3
1 

1 Department of Chest Diseases, Faculty of Medicine, Karadeniz Teknik
University, Trabzon, Turkey
2 
2 Clinic of Chest Diseases, Kackar State Hospital, Rize, Turkey
3 

3 Department of Pathology, Faculty of Medicine, Karadeniz Teknik University,
Trabzon, Turkey
ÖZET
Mediastinal/hiler granülomatöz lenfadenit etyolojisi
Giriş: Granülom oluşumu çeşitli infeksiyöz ve infeksiyöz olmayan ajanlar tarafından başlatılan kronik bir inflamatuvar yanıtı temsil
etmektedir. Özellikle infeksiyöz dışı nedenlere bağlı granülomatöz nedenler klinisyenleri oldukça zorlamaktadır.
Materyal ve Metod: Bu çalışmada Eylül 2014 ile Aralık 2016 arasında EBUS ya da mediastinoskopiyle mediastinal/hiler lenfadenopa-
tilerin (LAP) histopatolojik değerlendirmesinde granülomatöz lenfadenit tanısı alan hastaların dağılımı araştırılmıştır.Uyumlu histolo-
jik, radyolojik ve klinik bulgularla birlikte kültür negatifliği olduğunda ‘güvenli’ sarkoidoz olarak tanımlandı. Dokuda mikroorganizma
görülmesi, kültür pozitifliği, tutarlı klinikopatolojik durumda pozitif seroloji veya pozitif antijen saptanması durumunda ‘güvenli’
infeksiyöz olarak kaydedildi.
Bulgular: Toplam 110 hastada granülomatöz LAP saptandı. Hastaların %70.9’u kadın cinsiyetindeydi ve ortalama yaş 53 (range
44-61)’tü. Yetmiş dokuz (%71.8) hastada sarkoidoz, 7 (%6.4) hastada tümör ilişkili granülom, 4 (%3.6) hastada tüberküloz, 4
(%3.6) hastada silikozis, 2 hastada (%1.8) ilaç ilişkili granülom, 1 (%0.9) hastada hipersensitivite pnömonisi, 1 (%0.9) hastada
Chron hastalığı, 12 (%10.9) hastada nedeni bilinmeyen granülom saptandı. Tüberküloz tanısı 3 hastada kültür pozitifliğiyle konuldu.
Sonuç: Bu çalışmada granülomatöz lenfadenitin en sık sebebinin sarkoidoz olduğu saptandı. Beklenenin aksine tüberküloz tanısı alan
hasta sayısı oldukça düşüktü.
Anahtar kelimeler: Granülom; lenfadenit; sarkoidoz
SUMMARY
Causes of mediastinal/hilar granulomatous lymphadenitis
Introduction: Granulomatous lung disease (GLD) is caused by a
wide range of conditions and it is challenge for pulmonologist. A
detailed history of exposures is fundamental in GDL and has been
found pivotal to reach a precise diagnosis.
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Yazışma Adresi (Address for Correspondence)
Tuberk Toraks 2018;66(3):212-216
Erbay M, Özsu S, Ayaydın Mürtezaoğlu ES, Türkyılmaz A, Özçelik N, Bülbül Y, Ersöz Ş.
213
GİRİŞ
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     -
    -

MATERYAL ve METOD
      
-

-

    
     

   
Mycobacterium tuberculosis   
-
    
     
   
       
-
di.
-
     
    
     
     
-
-
 -
     
-
    
    
    
-
     
-

Materials and Methods: Between September 2014 and December 2016, the distribution of patients diagnosed with granulomatous
lymphadenitis in the mediastinal/hilar lymph nodes by endobronchial ultrasound (EBUS) or mediastinoscopy was analyzed. To be
listed as ‘confident’, a diagnosis of sarcoidosis required compatible histological, radiological and clinical findings in conjunction with
negative cultures. Infectious entities listed as ‘confident’ had either microorganisms in tissue section, positive culture, positive serology
or positive antigen detection in a consistent clinical pathological setting.
Results: Granulomatous lymphadenitis was detected in 110 patients. The included 110 cases consisted of 70.9% women and median
age of 53 (range 44-61) years. The final diagnosis of the patients was accepted to be sarcoidosis in 79 (71.8%), sarcoid like
granulomas in 7 (6.4%), tuberculosis in 4 (3.6%), silicosis in 4 (3.6%), drug-associated granuloma in 2 (1.8%), hypersensitivity
pneumonitis in 1 (0.9%), Chron disease in 1 (0.9%), unspecified in 12 (10.9%). Three patients were classified as tuberculosis based
on culture.
Conclusion: In this study, we found that the most common cause of granulomatous lymphadenitis was sarcoidosis. Contrary to
expectations, the number of patients diagnosed with tuberculosis was very low.
Key words: Granuloma; lymphadenitis; sarcoidosis
Tuberk Toraks 2018;66(3):212-216
Mediastinal/hiler granülomatöz lenfadenit etyolojisi
214
     -

İstatistiksel Analiz

    
-
      

      

BULGULAR
      
    
 -
       



-

     
     


-
       
 -



   
      
       
     

   
     
    -
  



 
-
      

   
     

      
-
     

       

  
-
-
     




        

    
     
     

       
    -
-

TARTIŞMA
G
      
   
  
  
   

Tablo 1.
Hasta sayısı (%)
 79 (71.8)
 7 (6.4)
 4 (3.6)
 4 (3.6)
 2 (1.8)
 1 (0.9)
 1 (0.9)
 12 (10.9)
Tuberk Toraks 2018;66(3):212-216
Erbay M, Özsu S, Ayaydın Mürtezaoğlu ES, Türkyılmaz A, Özçelik N, Bülbül Y, Ersöz Ş.
215
-
    
      
-
      
    
    
     
    
     
  -


     
   -
-
      
    
(7).
    
-
-
     

 -
  
-
-
-


    
    

     
    
  -
   
     
   
   
        
    
   
    

       

  
     
    -

-

     
-
     
       
-
    

      
      

    
-
     
-


-
     
    
-
       
     
-


     
-
Mycobacterium tuberculo-
sis  -
     
-
-


   
      
-

-


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Tuberk Toraks 2018;66(3):212-216
Mediastinal/hiler granülomatöz lenfadenit etyolojisi
216
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Aim To evaluate the efficacy, safety and feasibility of mediastinoscopy in 107 cases with mediastinal lesions that could not be diagnosed histopathologically with other methods. Methods A total of 107 cases (73 males, 34 females; mean age 57.4, range 30-88 years) with mediastinal lymphadenopathy, who underwent mediastinoscopy between 12 September 2012 and 29 November 2018 were examined retrospectively. The cases were evaluated in terms of age, gender, complaint, operation time, histopathological diagnosis, postoperative morbidity and mortality parameters. Results Upon histopathological examination 32 (30%) patients were diagnosed with lung cancer metastasis (N2 stage), which was the most common diagnosis. With this diagnosis unnecessary thoracotomy was prevented. In patients with pathological lymphadenopathy found by imaging histopathological results were examined to evaluate the presence of N2 stage. In 25 (23.5%) cases biopsy results were reported as reactive lymph nodes. In addition, 23 (21.4%) patients had sarcoidosis, 16 (15%) had tuberculosis lymphadenitis, seven (6.5%) had lymphoma, one of each (0.9%) had benign epithelial cyst (0.9%), malign epithelial tumour (invasive ductal carcinoma of breast), chronic lymphocytic leukaemia (CLL), and adenocarcinoma metastasis (renal cell cancer). Conclusion When other non-invasive procedures are ineffective, mediastinoscopy is an efficient diagnostic method with high diagnostic value, which is applicable also in places other than advanced centres, with low morbidity and mortality.
Article
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Introduction: Granulomatous lung disease (GLD) is caused by a wide range of conditions and it is challenge for pulmonologist. A detailed history of exposures is fundamental in GDL and has been found pivotal to reach a precise diagnosis. Materials and methods: Between September 2014 and December 2016, the distribution of patients diagnosed with granulomatous lymphadenitis in the mediastinal/hilar lymph nodes by endobronchial ultrasound (EBUS) or mediastinoscopy was analyzed. To be listed as 'confident', a diagnosis of sarcoidosis required compatible histological, radiological and clinical findings in conjunction with negative cultures. Infectious entities listed as 'confident' had either microorganisms in tissue section, positive culture, positive serology or positive antigen detection in a consistent clinical pathological setting. Result: Granulomatous lymphadenitis was detected in 110 patients. The included 110 cases consisted of 70.9% women and median age of 53 (range 44-61) years. The final diagnosis of the patients was accepted to be sarcoidosis in 79 (71.8%), sarcoid like granulomas in 7 (6.4%), tuberculosis in 4 (3.6%), silicosis in 4 (3.6%), drug-associated granuloma in 2 (1.8%), hypersensitivity pneumonitis in 1 (0.9%), Chron disease in 1 (0.9%), unspecified in 12 (10.9%). Three patients were classified as tuberculosis based on culture. Conclusions: In this study, we found that the most common cause of granulomatous lymphadenitis was sarcoidosis. Contrary to expectations, the number of patients diagnosed with tuberculosis was very low.
Article
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Background Extrapulmonary tuberculosis (EPTB) is a diagnostic challenge. An immunochemistry-based MPT64 antigen detection test (MPT64 test) has reported higher sensitivity in the diagnosis of EPTB compared with conventional methods. The objective of this study was to implement and evaluate the MPT64 test in routine diagnostics in a low-resource setting. Methods Patients with presumptive EPTB were prospectively enrolled at Mnazi Mmoja Hospital, Zanzibar, and followed to the end of treatment. Specimens collected were subjected to routine diagnostics, GeneXpert® MTB/RIF assay and the MPT64 test. The performance of the MPT64 test was assessed using a composite reference standard, defining the patients as tuberculosis (TB) cases or non-TB cases. Results Patients (n = 132) were classified as confirmed TB (n = 12), probable TB (n = 34), possible TB (n = 18), non-TB (n = 62) and uncategorized (n = 6) cases. Overall, in comparison to the composite reference standard for diagnosis, the sensitivity, specificity, positive predictive value, negative predictive value and accuracy of the MPT64 test was 69%, 95%, 94%, 75% and 82%, respectively. The MPT64 test performance was best in TB lymphadenitis cases (n = 67, sensitivity 79%, specificity 97%) and in paediatric TB (n = 41, sensitivity 100%, specificity 96%). Conclusions We show that the MPT64 test can be implemented in routine diagnostics in a low-resource setting and improves the diagnosis of EPTB, especially in TB lymphadenitis and in children.
Article
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BACKGROUND Lung cancer and tuberculosis (TB) are two major public health problems. They can coexist or appear sequentially. In patients with TB, lung cancer risk is increased. However, vice versa is not crystal clear. In this study, we aimed to determine the development of TB in patients with resectabled non-small cell lung cancer (NSCLC) in a 2-year postoperative follow-up period. MATERIAL AND METHODS We conducted a retrospective cohort study at three university hospitals. Patients who had NSCLC surgery between 2009 and 2013 were included and patient records were reviewed for the presence of necrotizing granulomatous inflammation (NGI) in resected specimens. Demographic properties, tumor type, stage, location, type of surgery, tuberculosis history, and thorax CT findings were recorded. We searched for the development of tuberculosis within a 2-year period after surgery. RESULTS A total of 1027 patient cases were reviewed, of which 48 patients had NGI. The median age was 63 years. The most common type of cancer was squamous carcinoma; and lobectomy was the preferred operation (70.8%). Cancer involvement most commonly included the right lung (61.8%) and upper lobes (47,9%). Only 11 patients had anti-TB treatment postoperatively, which was based on radiological findings. Prior tuberculosis or anti-TB history, type, stage or localization of cancer, and adjuvant/neoadjuvant therapy were not found to be related to TB treatment. None of the study population had TB during the two-year follow-up period. Treatment decisions appeared mostly related to physician experience. There was no difference in the risk of developing TB between patients with or without treatment. This finding may change the management of our patients. CONCLUSIONS Every NGI discovered in NSCLC resected material does not always require anti-TB treatment.
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Background: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a diagnostic method for tuberculosis (TB). This study was conducted to determine the efficiency of polymerase chain reaction (PCR) testing for detecting TB lymphadenitis in samples obtained by EBUS-TBNA. Materials and methods: A total of 93 consecutive patients with hilar/mediastinal lymphadenopathies and diagnosed with granulomatous diseases through histopathological evaluation were included in the study. The specimens provided by EBUS-TBNA were evaluated through pathological, microbiological, and molecular tests. Results: Eighty-nine (95.7%) of the 93 patients had histopathologically granulomatous diseases by EBUS-TBNA. Tuberculosis was diagnosed in 27 (30.3%) patients and sarcoidosis was diagnosed in 62 (69.7%) patients. Four (4.3%) patients were diagnosed through mediastinoscopy. Endobronchial ultrasound-guided transbronchial needle aspiration had an overall diagnostic efficiency in TB of 96.9%, a sensitivity of 90.9%, and a specificity of 100%. Mycobacterium tuberculosis PCR was positive in 17 of the 30 patients. The sensitivity of PCR was 56.7%, the specificity was 100%, and the general efficiency of the test was 96.4%. Conclusions: As a result, the use of M. tuberculosis PCR in the EBUS-TBNA specimens provides a rapid and an accurate diagnosis of TB. Therefore, we recommend the use of M. tuberculosis PCR in the EBUS-TBNA specimens as a rapid diagnostic method for mediastinal lymphadenopathies in patients with suspected TB.
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Xpert MTB/RIF (Cepheid, Sunnyvale, CA, USA) is endorsed for the detection of pulmonary tuberculosis (TB). We performed a systematic review and meta-analysis to assess the accuracy of Xpert for the detection of extrapulmonary TB. We searched multiple databases to October 15, 2013. We determined the accuracy of Xpert compared with culture and a composite reference standard (CRS). We grouped data by sample type and performed meta-analyses using a bivariate random-effects model. We assessed sources of heterogeneity using meta-regression for predefined covariates. We identified 18 studies involving 4461 samples. Sample processing varied greatly among the studies. Xpert sensitivity differed substantially between sample types. In lymph node tissues or aspirates, Xpert pooled sensitivity was 83.1% (95% CI 71.4–90.7%) versus culture and 81.2% (95% CI 72.4–87.7%) versus CRS. In cerebrospinal fluid, Xpert pooled sensitivity was 80.5% (95% CI 59.0–92.2%) against culture and 62.8% (95% CI 47.7–75.8%) against CRS. In pleural fluid, pooled sensitivity was 46.4% (95% CI 26.3–67.8%) against culture and 21.4% (95% CI 8.8–33.9%) against CRS. Xpert pooled specificity was consistently >98.7% against CRS across different sample types. Based on this systematic review, the World Health Organization now recommends Xpert over conventional tests for diagnosis of TB in lymph nodes and other tissues, and as the preferred initial test for diagnosis of TB meningitis.
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Context.—Granulomas are among the most commonly encountered abnormalities in pulmonary pathology and often pose a diagnostic challenge. Although most pathologists are aware of the need to exclude an infection in this setting, there is less familiarity with the specific histologic features that aid in the differential diagnosis. Objective.—To review the differential diagnosis, suggest a practical diagnostic approach, and emphasize major diagnostically useful histologic features. This review is aimed at surgical pathologists who encounter granulomas in lung specimens. Data sources.—Pertinent recent and classic peer-reviewed literature retrieved from PubMed (US National Library of Medicine) and primary material from the institutions of both authors. Conclusions.—Most granulomas in the lung are caused by mycobacterial or fungal infection. The diagnosis requires familiarity with the tissue reaction as well as with the morphologic features of the organisms, including appropriate interpretation of special stains. The major noninfectious causes of granulomatous lung disease are sarcoidosis, Wegener granulomatosis, hypersensitivity pneumonitis, hot tub lung, aspiration pneumonia, and talc granulomatosis.
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Sarcoidosis is a diagnosis of exclusion; there exists neither a pathognomonic clinical feature nor a perfect diagnostic test. Missed diagnosis and overdiagnosis are common. A careful history and physical examination look for "footprints" of sarcoidosis or features suggesting alternative diagnoses. Some presentations are classic and do not require tissue confirmation. A tissue biopsy should be performed if doubt exists. Sampling intrathoracic disease by transbronchial or ultrasound-guided biopsy of mediastinal lymph nodes provide high diagnostic yield with low complication rates. Even with tissue confirmation, diagnosis is never secure and follow-up is required to be fully confident of the diagnosis.
Article
The granulomatous lymphadenitis (GLA) is not a specific histopathological diagnosis and it may be associated with several underlying causes. Both non-infectious diseases and infectious diseases may be cause of GLA.The aim of our study to determine the final diagnosis of GLA that were detected with endobronchial ultrasound (EBUS). In this study, we evaluated the patients with mediastinal lymphadenopathy in whom a diagnostic EBUS was performed between 01.01.2012-31.12.2014 and a diagnosis of GLA was achieved by cytopathological examination of transbronchial needle aspiration (TBNA). The diagnosis of sarcoidosis was established if the patient had compatible clinical, radiological features with histological evidence of noncaseating granulomatous inflammation. The diagnosis of tuberculosis was made by compatible clinical, cytopathological findings and clinical, laboratory and radiological response after antituberculosis treatment or a smear and/or culture was positive for AFB. A total of 632 patients underwent EBUS-TBNA during the study period. In 134 (21.2%) cases, cytopathological examination revealed GLA. In 82 (61.2%) patients a diagnosis of sarcoidosis and in 24 (17.9%) patient a diagnosis of tuberculosis was made. Granulomatous lymphadenitis was suggested as secondary to concomitant malignancy and wegener granulomatosis in 7 (5.2%) and 1 (0.7%) patients respectively. In 20 (14.9%) patients a specific diagnosis could not be achieved. 7 of these patients denied further diagnostic procedures, while 13 patients did not have a regular follow-up. In conclusion, EBUS-TBNA is valuable minimally invasive procedure for the diagnosis of mediastinal GLA.
Article
Background and objectiveGranulomatous lung disease (GLD) is caused by a wide range of conditions. Often there is a need to correlate pathological findings with clinical, microbiological or radiological data to determine an aetiology. The aim of this study was to determine the different aetiologies of GLD over the past decade.Methods Among 2228 consecutive lung specimens from 1999 to 2011, 226 cases (10.1%) were positive for GLD. One hundred ninety patients were retrospectively reviewed and diagnoses were assigned based on availability of histological/clinical/microbiological correlation.ResultsA confident, probable and uncertain diagnosis was made in 68.4%, 13.2% and 18.4% patients. The aetiologies comprised infectious, non-infectious and uncertain in 54.7%, 26.8% and 18.4% patients. Mycobacterial infections constituted 27% of all patients, and included atypical, tuberculous and unclassified mycobacteria in order of frequency. Acid-fast bacilli (AFB) were visualized in tissue sections in 29% cases and cultured in 73% cases. Fungal infections comprised 27% of all cases, which included Coccidioides, Cryptococcus, Aspergillus and Histoplasma in order of frequency. Fungi were visualized in tissue sections with Gomori methenamine silver (GMS) stain in 83% patients and cultured in 52% cases. Sarcoidosis was the major non-infectious aetiology, constituting 21% of all patients. Necrosis in granulomas was associated with the presence of infection (P < 0.001).Conclusions The aetiology in necrotizing GLD with negative AFB and GMS stains is most likely infectious due to atypical mycobacteria. Coccidioidomycosis was the most common fungal infection. The aetiology in non-necrotizing GLD is most likely non-infectious, probably sarcoidosis.