TR-Dizin İndeksli Açık & Kapalı Erişimli Yayınlar
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Item Pathology, Classification, Clinical Manifestations and Prognosis of Langerhan's Cell Histiocytosis: A Single Center Experience(2022) Hasbay, Bermal; Kocer, Nazim Emrah; Kayaselcuk, Fazilet; Canpolat, Emine Tuba; Buyukkurt, Nurhilal; Erbay, AyseObjective: The aim of the study is to raise awareness about clinical features, histopathological and radiological analyzes and treatment details of this rare disease. Methods: A total of 55 Langerhans cell histiocytosis patients, diagnosed between the year 2006 and October 2020 in our department were included in the study. The patients were evaluated in terms of age, gender, tumor localization, risk groups, treatment modalities, recurrence, and outcome of the disease. Results: Twenty-three out of 55 patients were children and 32 were adults. The ages of the patients were between 7 months and 72 years. Thirty-seven of the cases were male and 18 were female. The most common clinical complaint in both groups was pain and swelling. The duration between the onset of the patient complaints and admission to the hospital varies between 7 days-12 months in children, and 10 days-23 years in adults. Forty-three of the cases had single organ involvement and 12 had multiorgan involvement. The most frequently affected organ in both groups was bone. Forty of the 55 patients had follow-up data and the treatment modalities are as follows: Nine patients radiotherapy, 8 patients chemotherapy+steroid, 7 patients chemotherapy, 2 patients chemotherapy+radiotherapy+steroid, 1 patient steroid, 2 patients chemotherapy+radiotherapy. Eleven patients were followed up without additional treatment after surgery. Median follow-up from the time of biopsy was 45.9 months in children and 41.9 months in adults. Conclusions: As a result, diagnosis requires a high degree of suspicion and final diagnosis is based on the histological examination of the lesions and biopsies.Item Incidental Gallbladder Cancer Diagnosed During Or After Laparoscopic Cholecystectomy, What Did We Do?(2020) Sapmaz, Ali; Guldogan, Can Emir; Yagiz, Betül Keskinkilic; Karaca, Ahmet SerdarObjective: Gallbladder cancer is a rare neoplasm. We report our experience with gallbladder cancer that was incidentally diagnosed during or after laparoscopic cholecystectomy performed for gallstone disease. Methods: This study included all laparoscopic cholecystectomies due to gallstone disease undertaken from January 2010 to April 2015. Exclusion criteria were suspicion of malignancy and/or existence of gallbladder polyps detected with ultrasonography preoperatively. Patients with incidentally diagnosed gallbladder cancer were recorded, and the clinical and demographic characteristics of these patients were reviewed. Results: Of 6,114 patients in whom laparoscopic cholecystectomy was attempted, 5.948 were included in this study. Incidental gallbladder cancer was found in thirty-six patients, with a mean age of 64.08 years. The histological tumor stages were adenocarcinoma in situ in seven patient, pT1b in nine patient, pT2 in eleven patient, and pT3 in nine patients. Sixteen patients who underwent laparoscopic cholecystectomy alone underwent no additional surgery because of the low stage of the tumors. The twenty remaining patients, whose laparoscopic cholecystectomies were converted to open surgeries, underwent cholecystectomy, excision of the liver bed and lymph node dissection. The overall median survival time was 28 months. Conclusions: The incidence of incidental gallbladder cancer has been reported to vary, up to 2.85%. In this single-center study, the rate of incidental gallbladder cancer was found to be 0.60%. Female gender and advanced age are demographic risk factors for gallbladder carcinoma. Although gallbladder cancer is well known for its poor prognosis, tumors that are incidentally diagnosed are often found at an early stage and have a better prognosis.