Hongtian Yao

Zhejiang University, Hang-hsien, Zhejiang Sheng, China

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Publications (12)27.41 Total impact

  • Hua Xiang · Zuqun Wu · Zhaoming Wang · Hongtian Yao
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    ABSTRACT: Localized (primary) pulmonary amyloidosis associated with pulmonary low-grade B cell lymphoma is rarely occurred. Here we report an unusual case of nodular pulmonary amyloidosis and obvious ossification due to primary pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma with extensive plasmacytic differentiation in a 59-year-old man; moreover, two bronchial lymph nodes were involved histologically. The patient underwent a left lower lobectomy along with mediastinal lymphadenectomy. He received no adjuvant therapy and the postoperative course was uneventful within the 14 months follow-up period after his initial diagnosis.
    No preview · Article · Aug 2015 · International journal of clinical and experimental pathology
  • Ke Sun · Ming Zhao · Hongtian Yao · Lijun Wang · Jianfeng Wei
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    ABSTRACT: We report the first case of inflammatory variant of hepatic angiomyolipoma (AML) with expression of transcription factor E3 (TFE3) protein but negativity for HMB45 and melan A in a 62-year-old female. Imaging studies revealed a tumor in the left lobe of liver, sized 5.8 cm in maximum diameter. Microscopically, the lesion was composed of large polygonal or epithelioid cells with copious eosinophilic granular cytoplasm. There was a very prominent stromal lymphoplasmacytic infiltrate. Immunohistochemically, the tumor cells showed very strong and diffuse positivity for smooth muscle actin, and cathepsin K, while S-100 protein, keratin, desmin, HMB45 and Melan-A are negative. However, there was multifocal and very convincing nuclear positivity for TFE3, thus confirms the diagnosis.
    No preview · Article · Dec 2014 · International journal of clinical and experimental pathology
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    ABSTRACT: Inflammation of the small intestine may occur in type 2 diabetes. This study aimed to investigate whether ATP-binding cassette transporter A1 (ABCA1) and G1 (ABCG1) were altered in chronic inflammation of the small intestine of type 2 diabetic rats. Thirty-two male Sprague-Dawley rats were used. Eight rats in the control group were fed with regular chow, and 24 rats were fed a high-fat diet and injected with a single low dose of streptozotocin. All of the control rats and diabetic rats were bred for 10 months. Immunohistochemistry detected ABCA1 and ABCG1 in the small intestine in all the rats. Hematoxylin-eosin staining showed chronic inflammation in the small intestine of the diabetic rats. Immunohistochemistry staining showed that alteration of ABCA1 and ABCG1 was different in the inflammatory and epithelial cells. Quantitative analysis showed that the overall expression of ABCA1 and ABCG1 increased in the diabetic rats compared to the control rats. Both ABCA1 and ABCG1 were enriched in the inflammatory cells of the small intestine in diabetic rats. In the epithelial cells, ABCA1, but not ABCG1, was detected in significantly more diabetic rats than control rats. Both ABCA1 and ABCG1 are enriched in chronic inflammation of the small intestine of type 2 diabetic rats. ABCA1, but not ABCG1, is activated in the intestinal epithelial cells of type 2 diabetic rats.
    Preview · Article · Dec 2014 · Laboratory Medicine
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    Xue Wen · Weiqiang Wu · Bo Wang · Hongtian Yao · Xiaodong Teng
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    ABSTRACT: Signet ring cell carcinoma (SRC) of the ampulla of Vater is extremely rare and the histogenesis remains unknown. In the present study, to investigate the immunohistochemical phenotypes, discuss the histological origin and evaluate the correlation between the immunohistochemical phenotypes and survival of ampullary SRC patients, a retrospective review was conducted. This included all ampullary carcinoma patients treated at The First Affiliated Hospital, College of Medicine, Zhejiang University, and was performed over a five-year period between 2008 and 2012. Eight resected ampullary SRC specimens were examined histopathologically and immunohistochemically, using cytokeratin (CK) and mucin (MUC) immunohistochemical phenotypes. Of all 162 patients with ampullary lesions, eight cases (4.9%) of ampullary SRC were identified. Immunohistochemical analyses of the eight cases revealed the positive expression of CK7 in five, CK19 in seven, CK20 in one, MUC1 in five, MUC2 in three, caudal-related homeobox transcription factor 2 in one, MUC5AC in seven and MUC6 in four of the eight cases, while loss of E-cadherin and β-catenin was observed in four of the eight cases. According to immunohistochemical classification, ampullary SRC can be classified into four subtypes: Intestinal (I), pancreatobiliary (PB), gastric and mixed types (composed of I mucosa lining and PB epithelium). Patients with the I-type ampullary SRC demonstrated a more favorable prognosis than that of patients with the PB-type ampullary SRC. Additionally, patients with ampullary SRC of I or PB type with gastric differentiation may have a worse prognosis than others. The coexpression of the E-cadherin/β-catenin complex may also indicate poor prognosis in PB-type ampullary SRC. In conclusion, the clinical five-year follow-up of the patients with pure SRC was more positive than that of those with I-, PB-, gastric- or mixed-type ampullary SRC. The coexpression of the E-cadherin/β-catenin complex may present a poor prognosis in the PB type of ampullary SRC.
    Preview · Article · Oct 2014 · Oncology letters
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    ABSTRACT: AimTo evaluate the clinical value of cell block from malignant pleural effusion (MPE) as an alternative sample versus tumor tissue for anaplastic lymphoma kinase (ALK) detection in patients with advanced non small cell lung cancer (NSCLC).Methods Fifty-two matched samples were eligible for analysis. ALK status was detected by Ventana IHC (with D5F3 clone), reverse transcription PCR, fluorescent in situ hybridization (FISH) in cell block section, and by FISH in tissue block section.ResultsTotally 52 tissue samples and 41 MPE cell block samples got ALK-FISH results. Eight cases (15.4%) were ALK positive in tissue by FISH, and in matched MPE cell block samples 5 were ALK positive confirmed by FISH, 7 were confirmed by RT-PCR, 8 were confirmed by Ventana IHC, respectively. The ALK status concordance rates between tissue and MPE cell block samples were 78.9% by FISH, 98.1% by RT-PCR, and 100% by Ventana IHC. In MPE cell block samples, the sensitivity and specificity of Ventana IHC (100% and 100%) and RT-PCR (87.5% and 100%) were higher than those of FISH (62.5% and 100%).ConclusionsMPE cell block had a diagnostic performance for ALK detection in advanced NSCLC, which was comparable to that of tumor tissue samples. MPE cell block might be a valid alternative sample for ALK detection when tissue is not available. Ventana IHC could be the most suitable methods for ALK detection in MPE cell block samples.This article is protected by copyright. All rights reserved.
    No preview · Article · Sep 2014 · Histopathology
  • Yanfeng Bai · Zhaoming Wang · Ke Sun · Hongtian Yao
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    ABSTRACT: Human herpesvirus type 6 (HHV-6) has been well described as an agent in immunocompromised hosts, but is a rare cause of acute lymphadenitis in immunocompetent adults. We report an immunocompetent adult with HHV-6-associated acute lymphadenitis. The patient was an elderly man who presented with fever and generalized lymphadenopathy. Microscopically, the lymph node showed diffuse paracortical expansion and scattered large atypical lymphoid cells with large nucleus and eosinophilic nucleoli, resembled immunoblasts. Intranuclear eosinophilic viral inclusions can be found. Immunohistochemical study showed that the large atypical lymphoid cells were positive for CD3 and CD4, but negative for CD8, CD20, CD79a, CD30, ALK, CK, EBV-LMP, and CD56. The antibody against HHV-6 envelope glycoprotein highlighted the viral inclusions which were mostly cytoplasmic with a Golgi distribution. Literatures of HHV-6 associated acute lymphadenitis in immunocompetent patients were reviewed.
    No preview · Article · Jul 2014 · International journal of clinical and experimental pathology
  • Xiuming Zhang · Guoping Ren · Hongtian Yao · Zhaoming Wang

    No preview · Article · Nov 2013 · Pathology
  • Xiuming Zhang · Zhaoming Wang · Lijun Wang · Hongtian Yao
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    ABSTRACT: Epstein-Barr virus-positive T/natural killer (NK)-cell lymphoproliferative disorder (EBV+T/NK LPD) encompasses a heterogeneous group of disorders that have a common feature with excessive lymphoid proliferation of mainly T cells and/or NK cells. This disease is rare, predominantly affects children and young adults, and associated with high mortality. Herein, we report a case of EBV+T/NK LPD that occurred in an old woman with good outcome. The patient presented with fever, splenomegaly, and pancytopenia. Computed tomography (CT) scan of the abdomen showed splenomegaly. The clinical impression was a malignant tumor of spleen, so splenectomy was performed. Microscopically, the architecture of the spleen was preserved. The white pulp Malpighian corpuscles were atrophied. The red pulp showed intact sinusoids and pulp cords with increased cellular infiltrate. The proliferating lymphoid cells were mostly small lymphoid cells with minimal or no nuclear atypia, mixed with rare medium-sized or large cells. Immunohistochemical study and in-situ hybridization showed that the EBER-positive lymphoid cells were positive for CD3 and CD56. They were also positive for cytotoxic molecules, such as T-cell restricted intracellular antigen (TIA1), granzyme B. The case exhibited polyclonal rearrangement of T-cell receptor gene (TCR) by polymerase chain reaction (PCR) studies. Without radiotherapy and chemotherapy, the patient is alive and well with no evidence of disease 25 months after surgery.
    No preview · Article · Nov 2013 · International journal of clinical and experimental pathology
  • Ke Sun · Qihan You · Ming Zhao · Hongtian Yao · Hua Xiang · Lijun Wang
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    ABSTRACT: Primary carcinoid tumor arising in a mature teratoma of the horseshoe kidney is exceptionally rare and only 4 such cases have been reported in the world literature to date. The simultaneous occurrence of different subtypes of renal cell carcinoma (RCC) or RCC coexistence with non-RCC neoplasms from the same kidney is unusual and infrequently reported. Herein we report a case of primary carcinoid tumor arising within mature teratoma, concurrent with a clear cell RCC in the horseshoe kidney of a 37-year-old man. Histologically, both the carcinoid tumor and clear cell RCC demonstrated the characteristic morphology in their classic forms. In addition to the carcinoid tumor, the mature teratoma consisted of variably sized, large cystic spaces lined by cytologically bland mucinous columnar epithelium, pseudostratified columnar epithelium, ciliated epithelium and mature smooth muscle fibers were also identified within the cystic wall. Furthermore, foci of round, small nodules composed of mature prostatic acinus were noted in the teratoma which was confirmed by exhibiting strong immunoreactivity for prostate specific antigen. The present case serves to expand the histologic component that may be encountered in the mature terotoma of the kidney and further broadens the spectrum of primary tumors occurring in the horseshoe kidney.
    No preview · Article · Nov 2013 · International journal of clinical and experimental pathology
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    Jianjun Qiao · Hong Fang · Hongtian Yao
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    ABSTRACT: Amyloidosis cutis dyschromica is a rarely documented variant of cutaneous amyloidosis. To date, only 26 cases have been reported. The purpose of this study was to improve the clinical and histopathological data for this variant of amyloidosis and to highlight the immunohistochemical features of the disease. The published cases were also reviewed. We performed a retrospective review of patients with amyloidosis cutis dyschromica in a single centre. The clinical, histopathological and immunohistochemical features were documented and analysed. We described 10 cases of amyloidosis cutis dyschromica. Six of them were female. Five patients were from the same family, and the other 5 were sporadic. The distinguishing features of the clinical presentation included generalised mottled hyper- and hypopigmented macules, which were asymptomatic or mild pruritic. The typical onset of the lesions occurred in childhood (n = 7) and occasionally after puberty (n = 3). No evidence of systemic amyloidosis deposition was observed in these cases of amyloidosis cutis dyschromica. Amyloid deposits were observed in the papillary dermis and were positive for the Congo red stain. An immunohistochemical study showed that the amyloid expresses cytokeratins CK34βE12 and CK5/6. We described the largest series of amyloidosis cutis dyschromica to date and reviewed the published patients. This rare disease is featured by generalised mottled hyper- and hypopigmented lesions, and it is a rare variant of primary cutaneous amyloidosis without evidence of systemic amyloid deposition. Positive staining for the cytokeratins CK34βE12 and CK5/6 in amyloidosis cutis dyschromica suggests that the amyloid is derived from keratinocytes.
    Full-text · Article · Dec 2012 · Orphanet Journal of Rare Diseases
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    ABSTRACT: The concordance rate between fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC) on evaluating HER-2/neu status is still controversial, especially for the IHC 2+/equivocal cases. In this study, we investigated the amplification of HER-2/neu gene by FISH in IHC (2+)/equivocal specimens to clarify the correlation between HER-2/neu and clinicopathologic features of breast cancers. HER-2/neu amplification was determined by FISH on 528 specimens of breast carcinomas with equivocal expression of HER-2/neu protein by IHC detection. 65.5 % of IHC 2+ patients were negative for HER-2/neu amplification, 29.0 % were positive and the remaining was equivocal. A statistically significant inverse association was found between hormone receptor expression and HER-2/neu amplification (P < 0.05). Furthermore, polysomy of CEP17 was detected in 60 % of breast carcinomas. The results highlight the necessity of FISH test for further categorization when breast carcinoma cases are scored 2+ by IHC.
    No preview · Article · Jun 2012 · Breast Cancer Research and Treatment
  • Huali Zhou · Chengjiang Li · Jun Li · Hongtian Yao · Rong Su · Wenpeng Li · Mingzhi Xu
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    ABSTRACT: Adenosine triphosphate-binding cassette transporter A1 (ABCA1) and G1 (ABCG1) are 2 important cholesterol transporters in human pancreatic β-cells. The aim of this study was to investigate their alteration in insulinomas and their potential associations with abnormal insulin secretion in these patients. Six patients with insulinoma and 6 healthy controls were recruited. Lipid profiles and glucose metabolism were measured. Insulin content, ABCA1, and ABCG1 in insulinomas and the adjacent islets of the 6 patients with insulinoma were detected by immunohistochemistry or immunofluorescence. Plasma total cholesterol, high-density lipoprotein, low-density lipoprotein, and triglyceride were comparable between the controls and the patients with insulinoma. Fasting glucose was less than 2.8 mmol/L, and insulin release index was greater than 0.3 in each patient. Serum insulin fell extremely, and blood glucose reached the reference range within an hour after the cutting of the tumors in 2 patients with insulinoma. Adenosine triphosphate-binding cassette transporter G1 increased in insulinomas compared with the adjacent islets. However, ABCA1 was detected neither in the adjacent islets nor in insulinomas. Adenosine triphosphate-binding cassette transporter G1 expression in insulinomas was significantly associated with fasting insulin level and insulin release index. Increased ABCG1 may contribute to insulin hypersecretion in insulinomas. In contrast, the undetectable ABCA1 in insulinomas may reflect a negative feedback in insulin secretion in these patients.
    No preview · Article · Mar 2012 · Pancreas

Publication Stats

26 Citations
27.41 Total Impact Points


  • 2012-2015
    • Zhejiang University
      • Department of Pathology
      Hang-hsien, Zhejiang Sheng, China