نتایج جستجو برای: cytokeratin 20
تعداد نتایج: 615740 فیلتر نتایج به سال:
Computed tomography obtained as part of a urinary tract assessment in a 68-year-old woman incidentally detected a solid adnexal mass. Bilateral salpingo-oophorectomy revealed a unilateral, 4-cm, white to tan-yellow colored, focally calcified, left ovarian mass. Microscopically, the tumor was composed of bland fibroblasts, abundant collagen, and areas of calcification with a minor component comp...
INTRODUCTION There are few cases of synchronous rectal adenocarcinoma revealed by an anal fistula. The diagnosis of synchronous mucinous adenocarcinoma of the recto sigmoid and anal canal remains difficult. The chronic anal fistula can be mistaken as the common manifestation of a benign perianal abscess or fistula. CASE PRESENTATION We present a rare case of a Greek Caucasian 79year old male ...
We present two cases of ciliated muconodular papillary tumour (CMPT) in this report. CMPT is a newly defined low-grade malignant tumour with ciliated columnar epithelial cells, occurring in the peripheral lung. Both patients underwent pulmonary resection due to an enlarged solitary pulmonary nodule. Pathological findings in both cases confirmed a papillary tumour with a mixture of ciliated colu...
BACKGROUND Gastrointestinal metastsasis from the breast cancer are rare. We report a patient who presented with intestinal obstruction due to solitary caecal metastasis from infiltrating ductal carcinoma of breast. We also review the available literature briefly. CASE PRESENTATION A 72 year old lady with past history of breast cancer presented with intestinal obstruction due to a caecal mass....
AIM The aim of this study was to develop multiplex-PCR assays for the detection of circulating tumor cells in peripheral blood and urine samples of patients with bladder cancer. MATERIALS AND METHODS Peripheral blood and urine samples were collected from 208 patients (169 patients and 39 healthy volunteers). After RNA extraction and cDNA synthesis, the samples were analyzed for the expression...
We report a case of a primary intratesticular mucinous cystadenoma in an asymptomatic 39-year-old man. The mass was found incidentally during a consultation for infertility. Pathologic examination of the orchiectomy specimen revealed a unilocular cyst lined with bland mucinous epithelium and mucinous extravasation, consistent with a diagnosis of mucinous cystadenoma. Foci of bone were also foun...
BACKGROUND/AIM Cytokeratin (CK) 20 expression is an independent prognostic factor of poorly differentiated adenocarcinoma (PDA) of the colon and rectum. We aimed to investigate the mechanism of its involvement through a clinicopathological study. PATIENTS AND METHODS We analyzed 156 surgically resected PDAs, which were sub-classified as solid type (Por1) showing expansive growth, or non-solid...
Expression of cytokeratin 7 (CK7) and cytokeratin 20 (CK20) helps to establish the origin of biliary and metastatic carcinomas. We investigated the expression of CK7 and CK20 in inflammatory, metaplastic and neoplastic conditions of the bile ducts, and evaluated possible relationships between the CK expression pattern and extrahepatic bile duct/gallbladder carcinomas (EBDCs) or intrahepatic bil...
AIMS To study the expression of Ki-67 and cytokeratin 20 (CK20) in a group of hyperplastic polyps (including a group with "atypical" features) with the aim of determining whether upper crypt Ki-67 staining and lower crypt CK20 staining correlated with these atypical features, as assessed by light microscopy. METHODS Fifty seven formalin fixed, paraffin wax embedded hyperplastic colorectal pol...
OBJECTIVE Ovarian metasteses are often mistaken for primary adenocarcinoma. Studies conducted in recent years have focused on a search for an immunohistochemical marker to aid the differential diagnosis primary and metastatic ovarian carcinoma. Our study objective was to study the usefulness of Wilms tumor 1 (WT 1) antigen in this context. MATERIALS AND METHODS The study was conducted at the ...
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