Metehan Gumus

Metehan Gumus
VM Medicalpark Kocaeli Hastanesi · Meme Sağlığı Ünitesi

Doçent Doktor,
REYAP İstanbul Hastanesi, Onkolojik Cerrahi, Laparoskopik Cerrahi

About

111
Publications
18,752
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948
Citations
Introduction
Doç. Dr. Metehan Gümüş REYAP İstanbul Hastanesi, Meme Sağlığı Merkezi
Additional affiliations
February 2009 - present
Dicle University
Position
  • Professor (Associate)
February 2009 - present
Dicle University
Position
  • Professor (Associate)
October 1997 - April 2003
Ataturk University
Position
  • Medical Doctor

Publications

Publications (111)
Article
The objective of the study was to compare the results of the patients treated with crystallized phenol treatment (CPT) or simple primary closure (SPC) for pilonidal sinus disease (PSD). For PSD treatment, both SPC and CPT have the advantages of rapid recovery, minimal pain, and short hospital stay. Even though these two techniques can be used inter...
Article
Full-text available
Coexistence of idiopathic granulomatous mastitis and erythema nodosum is very unusual. In this paper, we present a patient with idiopathic granulomatous mastitis accompanied by erythema nodosum to highlight the diagnostic importance of erythema nodosum and its relationship with treatment response of breast lesion. A 39-year-old female with a breast...
Article
Materials and methods: All 237 patients with splenic injury between 2005 to 2014 were retrospectively analyzed. The patients were divided into two groups, survivors and non-survivors. Age, gender, mechanism of injury, grade of splenic injury, pulse, respiratory rate, systolic blood pressure, hemoglobin levels, number of transfusions, surgical proc...
Article
Full-text available
Background: The purpose of this study was to evaluate the characteriscs of TomoDirect (TD) plans compared to convenonal TomoHelical (TH) plans in chest wall irradiaon in paents with breast cancer. Materials and Methods: TD and TH plans for only chest wall were retrospecvely created for 30 paents previously treated with TH technique in our clinic. T...
Article
Purpose: Differentiation of idiopathic granulomatous mastitis (IGM) from carcinoma with routine imaging methods, such as ultrasonography (US) and mammography, is difficult. Therefore, we evaluated the value of a newly developed noninvasive technique called acoustic radiation force impulse imaging in differentiating IGM versus malignant lesions in...
Article
Full-text available
Objective: Due to a lack of sufficient data, the treatment protocols for male breast cancer are usually the same as those used for female breast cancer. The aim of the current study was to present our clinical experience with male breast cancer. Materials and methods: The records of 37 patients who were treated for male breast cancer in our hosp...
Article
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Purpose:: To investigate the therapeutic effects of ellagic acid on L-arginin ınduced acute pancreatitis in rats. Methods:: Thirty-two were split into four groups. Group 1 (control) rats were performed only laparotomy, no drugs were administered. Group 2 (control+EA) rats were administered 85mg/kg EA orally. Rats were sacrificed by cardiac punct...
Article
Full-text available
Objective: The most common procedure to prevent seroma formation, a common complication after breast and axillary surgery, is to use prophylactic surgical drains. Ongoing discussions continue regarding the ideal time for removing drains after surgical procedures. In this study, we aimed to investigate factors that affect drain indwelling time (DIT...
Article
Full-text available
Hydatid disease (HD) can arise in any part of the body. Breast involvement with HD is extremely rare; it can be isolated or secondary to disseminated hydatidosis. In this study, we present a 45-year-old female with HD located in the right breast without pulmonary or hepatic involvement. Ultrasonography revealed a multiloculated cystic mass; mammogr...
Article
Purpose: Systemic damage in acute pancreatitis (AP) can be characterized by oxidative stress and the release of pro-inflammatory cytokines. Roflumilast has been shown to be a potent anti-inflammatory and antioxidant agent. In the present study, we aimed to investigate the effect of roflumilast in cerulein-induced AP. Methods: Thirty-two male rat...
Article
Aim: Mortality in splenic injuries can create medico-legal problems. Though many studies exist regarding splenic injuries, there are not a sufficient number investigating the factors in splenic injuries influencing mortality. In this study, we aimed to investigate the factors affecting mortality in splenic injuries. Materials and methods: All 23...
Article
Background: The purpose of our study was to share our experience in patients with traumatic diaphragmatic rupture. Methods: Patients underwent surgery for traumatic diaphragm rupture between 2005 and 2010 were reviewed. Results: There were sixty-two patients with traumatic diaphragm rupture. The mean age of the study group was 28.7 years (rang...
Article
Objective: We aimed to investigate the protective potential of pomegranate extract on the liver and remote organs in rats with obstructive jaundice. Materials and methods: The rats were split into 4 groups. In Group 1 (G1) (sham group) rats, the common bile duct was mobilized without any ligation. Group 2 (G2) received a combination of the sham...
Article
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Objective: This survey aims to elucidate patient and health system related factors leading to delayed diagnosis and treatment of breast cancer in Southeastern Anatolia. Methods: Hundred patients admitted to Department of General Surgery at Dicle University between December 2012 and July 2014, and diagnosed with breast cancer in preceding 6 months w...
Article
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Objective: Laparoscopic splenectomy has gained widespread acceptance in the treatment of hematological diseases in recent years. In this study, we aimed to present the outcomes of the patients who underwent laparoscopic splenectomy. Methods: Between 2012 and 2015, the data of 38 patients, who underwent laparoscopic splenectomy for hematological dis...
Article
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Objective: It is crucial to assess non-operative management (NOM) of risk failures before it is preferred as a management option for treatment of splenic trauma or rupture. The purpose of this study is to investigate the outcome of non-operative management of splenic trauma, and to determine the independent predictive factors effecting NOM failure....
Article
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PURPOSE The aim of this study was to determine the incidence of invasive breast carcinoma in patients with preoperative diagnosis of ductal carcinoma in situ (DCIS) by stereotactic vacuum-assisted biopsy (SVAB) performed for microcalcification-only lesions, and to identify the predictive factors of invasion. METHODS From 2000 to 2010, the records o...
Article
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Abdominal adhesions are still one of the most common causes of intestinal obstruction. A major challenge in adhesive small bowel obstruction (SBO) management is to detect ischemia as early as possible to avoid necrosis and resection. Elevated mean platelet volume and decreased platelet count have been associated with worse disease course for variou...
Article
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Aims: Minimally invasive parathyroidectomy (MIP) has become the first line of treatment for primary hyperparathyroidism caused by solitary parathyroid adenoma. In order to increase the sensitivity of high-resolution ultrasonography (hUS), surgeon performed ultrasonography (SUS) has been increasingly used preoperatively. However, a radiologist and...
Article
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Abstract BACKGROUND: To determine the effect of thymoquinone on adhesion formation in a rat caecotomy/suture model. MATERIAL AND METHODS: Thirty wistar rats were randomized into three groups: The control group received saline and the thymoquinone group received 10 mg/kg thymoquinone after cecal caecotomy/suture model. In the sham group the ab...
Conference Paper
Aim: The systemic damage in acute pancreatitis (AP) can be characterized by oxidative stress (OS) and the release of pro-inflammatory cytokines such as tumor necrosis factor-𝛼 (TNF-𝛼), interleukin-1𝛽 (IL-1𝛽), and interleukin-6 (IL-6). Roflumilast has been shown to be a potent anti-inflammatory and anti-oxidant agent. In the present study, we aimed...
Article
Full-text available
Objective: Breast cancer is the most common malignancy and the most common cause of mortality in women worldwide. In addition to the increasing incidence of breast cancer, the length of hospital stay (LOS) after breast cancer surgery has been decreasing. Because LOS is key in determining hospital usage, the decrease in the use of hospital faciliti...
Article
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Öz Objective: Fecal diversion is often indicated in cases with fecal incontinence, Fournier’s gangrene, anal fistula, and inoperable obstructive anorectal cancer. Trephine colostomy can be performed without necessitating laparotomy. We present our experience related to the outcome of trephine sigmoid colostomy. Methods: The retrospective study inc...
Article
Due to the rarity and large diversity of the primary retrorectal tumors (RTs), the diagnoses are often difficult and they can be misdiagnosed. We present our experience in light of scarce information available on the clinical manifestations of RTs. The retrospective study included 17 patients diagnosed as RTs between January 2004 and January 2014....
Article
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Objectives: We investigated whether pomegranate extract plays a protective antioxidant role against mesenteric ischemia-reperfusion injury (IR), which can lead to a systemic response and damage distant organs, such as the lung, liver, and kidney. Methods: Forty female Wistar-Albino rats were separated into four groups: laparotomy, laparotomy + P...
Article
Full-text available
Objective: Idiopathic granulomatous mastitis, a rare, benign, chronic inflammatory condition of the breast, which usually mimics breast carcinoma. In this study, we report on the management of 49 cases of idiopathic granulomatous mastitis and their clinical presentation. Methods: The breast and anatomical databases of one center were reviewed from...
Article
Full-text available
We aimed to present our clinical experience with FG treatment. Fornier's Gangrene (FG) is a rare but serious disease characterized by progressive necrosis in the genitourinary and perineal region. The retrospective study included 43 patients. The patients were divided into two groups as survivors and non-survivors. Included in the analysis were dat...
Article
Full-text available
Idiopathic granulomatous mastitis (IGM) is a rare benign chronic inflammatory disease. Etiology is unknown, but an autoimmune mechanism is suspected. Erythema nodosum is rare extramammillary manifestation of IGM, and few cases have been reported in the literature. In this study, we presented 28-year-old female patient with IGM associated with eryth...
Article
Full-text available
Hydatid disease is a parasitic disease, which is caused by echinococcus and often located in the liver and lung but occasionally found in other organs. Only one previous study reported localization in the mesorectum. In this case report, we present a 27-year-old male, as a second case in the literature, with a hydatid cyst located in the mesorectum...
Article
Full-text available
Neurofibromatosis type 1 (NF–1), is a common hereditary disease which of-ten take the form of benign tumours. Spinal primitive neuroectodermal tumour (PNET) is very rare. Herein we report US, CT and MRI findings of a female patient with PNET involving the spinal epidural and paravertebral spaces with neurofibro-matosis type 1. A 37-year-old woman h...
Article
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Background: Recently, the use of a surgical approach in injured patients has begun to be increasingly limited to unstable patients. Advances in imaging techniques and developments in intensive care have increased the applicability of non-operative treatment. Here, we aimed to present our clinical experience with different approaches in some patient...
Article
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Background: Early prediction of disease severity in acute pancreatitis (AP) is crucial. The aim of this study was to investigate the body-mass index (BMI), plasma leptin, nesfatin-1 and ghrelin levels as potential markers predicting peripancreatic necrosis and severity in acute pancreatitis. Methods: In the study period, 97 consecutive patients wit...
Article
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Primary lymphoma of the breast is seen most frequently in the 6 th decade and accounts for 0.04-0.5% of breast cancers. Diffuse large B-cell lym-phoma is the most common histopathological type. Case 1: A 77-year-old female patient presenting with a painless mass in the breast. Case 2: A 32-year-old postpartum patient presenting with an ever-increas...
Article
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The basic treatment of thoracoabdominal gunshot injury is surgery. However, a conservative approach is increasingly becoming widespread in selected cases. In this study, the management of a patient with a spleen and diaphragm damage due to a gunshot injury who treated with delayed surgery was presented. A 37-year-old man was admitted with a gunshot...
Article
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Although the first choice of treatment in thoracoabdominal gunshot injury is surgery, nonoperative treatment has increasingly been raised recently. On the other hand, there isn't clinical experience yet in nonoperative treatment of pregnant patients with gunshot injury. In this study, the management of a pregnant patient with liver damage due to a...
Article
Full-text available
This study aimed to investigate protective effects of ellagic acid on lungs in an experimental obstructive jaundice model. Four groups were established, each consisting of ten randomly selected rats: Group 1: sham, Group 2: ellagic acid, Group 3: obstructive jaundice, and Group 4: obstructive jaundice + ellagic acid. Ellagic acid was administered o...
Article
Full-text available
Blue dye used for sentinel lymph node biopsy (SLNB) in breast cancer patients may cause prolonged skin discoloration at the site of injection. The aim of this study was to assess the duration of such skin discoloration. 236 consecutive patients who had undergone breast conserving surgery and SLNB for breast cancer were reviewed prospectively from J...
Article
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We aimed to investigate the effects of curcumin on ischemia/ reperfusion (IR) injury of the liver and distant organs resulting from liver blood flow arrest. Totally 40 rats, divided into four groups, each included 10 rats were used. Group I as only laparatomy, Group II laparatomy and curcumin application, Group III hepatic IR; and Group IV as hepat...
Article
To determine if the specimen without calcification, as depicted on specimen radiography, made any contribution to the final histopathological diagnosis in comparison to the specimen with calcification. The records of 1312 stereotactic vacuum-assisted biopsies for breast microcalcifications between February 2000 and December 2010 were reviewed retro...
Conference Paper
Full-text available
PURPOSE The purpose of this study was to determine whether an axillary ultrasound (US) can accurately predict the presence of N1 disease in patients with breast cancer. METHOD AND MATERIALS A retrospective analysis of breast cancer cases with positive axillary nodes between April 2005 to December 2011 was undertaken. Patients in whom an abnormal a...
Article
Full-text available
Purpose: The purpose of this study was to identify the factors that may have an impact on upgrading atypical ductal hyperplasia (ADH) lesions to malignancy. Materials and methods: Between February 1999 and December 2010, the records of 150 ADH lesions that had been biopsied were retrospectively reviewed. The biopsy types included 11-gauge stereo...
Article
The present study aimed to present the clinical and multidetector computed tomography (MDCT) findings of patients who were diagnosed with the median arcuate ligament (MAL) syndrome on MDCT retrospectively. Seven hundred forty-four patients in whom MDCT angiography was performed were retrospectively analyzed for investigating incidental MAL syndrome...
Article
Full-text available
Aim: Pancreatic injuries are rarely seen due to the retroperitoneal location of the organ. Associated organ and vascular structures usually accompany injury. In this study, the effect of ductal injury and associated organ injuries on morbidity and mortality was investigated. Materials and methods: Between January 2004 and October 2010, 26 patients...
Article
Full-text available
The aim of this study was to determine the causes and rate of failure in removing calcification in microcalcification-only lesions using 11-gauge stereotactic vacuum-assisted breast biopsy. In total, 1365 microcalcification-only lesions were included in this study. The breast biopsy database was reviewed retrospectively. The biopsies were divided i...
Article
Full-text available
Mesenteric ischemia/reperfusion injury induces a systemic response and releases harmful substances that may affect distant organs such as the lung, liver and kidney. We designed this study to determine if curcumin has protective effects against mesenteric ischemia/reperfusion injury and mesenteric ischemia/reperfusion-induced intestinal and distant...
Article
Full-text available
Purpose: The purpose of this study was to determine the adjunct value to mammography and ultrasonography of magnetic resonance imaging (MRI) in determining the presence, extend and multifocality of invasive lobular cancer (ILC). Materials and methods: We retrospectively reviewed 38 ILC lesions that had been detected by mammography, ultrasounography...
Article
Full-text available
We aimed to investigate the possible protective effects of ellagic acid (EA) on the liver and remote organs against the hepatic ischemia-reperfusion injury. Forty Wistar-Albino rats were divided into four groups each containing 10 rats. Group I with laparotomy only, Group II with laparatomy and ellagic acid application, Group III with hepatic ische...
Article
Full-text available
Background: Acute appendicitis is the most common non-obstetric emergency requiring surgery during pregnancy, and delayed diagnosis is associated with a greater risk of fetal or maternal morbidity and fetal loss. The aim of this study is to analyze the diagnosis of acute appendicitis during pregnancy, along with maternal and fetal complications.
Article
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Introduction: Sigmoid volvulus is an important acute intestinal obstruction, leading to high mortality and requiring urgent operation. The purpose of this study is to analyze risk factors for mortality in patients that were operated on due to sigmoid volvulus at our Department. Materials and methods: The retrospective study included 158 patients...
Article
Full-text available
Laparoscopic adjustable gastric banding (LAGB) causes significant weight loss in morbidly obese adults. However, its consequences on nutritional status still remain unclear. There are a few studies determining the nutritional status after LAGB and none have focused on the serum levels of zinc (Zn), copper (Cu), and ceruloplasmin (CP). We aimed to i...
Article
To determine the need for a fine-needle or core biopsy in patients with clinically palpable breast abnormalities who have negative mammographic and sonographic findings. Over a 12-year period, 251 patients with a palpable abnormality at presentation and who had a negative ultrasound and mammogram underwent clinically guided biopsy (CGB) by breast s...
Article
Full-text available
Small bowel obstruction is rarely caused by bezoars. An important cause of phytobezoars are dried fruits. A 56 year old man presented to our department with symptoms of acute intestinal obstruction. Abdomen was distended and tender at the right and left lower quadrants. Bowel movements were decreased, and rectum was empty on digital examination. Up...
Article
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Retroperitoneal schwannomas are rare tumors and a correct pre-operative diagnosis is often not possible. They are usually identified incidentally via cross-sectional imaging. Diagnosis is based on histopathologic examination and immunohistochemistry. A 57-year-old man with a retroperitoneal schwannoma, as an unusual localisation, is presented.
Article
Full-text available
Thyroid tuberculosis is a very rare entity and its diagnosis is based on the histopathological findings. In this report, we presented a 57 year-old women with palpable neck mass that finally diagnosed as thyroid tuberculosis. Ultrasonography showed bilaterally enlarged thyroid lobes with multiple hypoechogenic heterogenous solid nodules. Except ele...
Article
Full-text available
Although Pyogenic Liver Abscess (PLA) has lower mortality rate in recent years due to the broad spectrum antibiotic usage, developed imaging techniques and improved intensive care services, it is still a potentially fatal disease. The objective of this study is to examine the treatment methods and our case load with the current literature. Of 55 pa...