Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τετάρτη 17 Ιανουαρίου 2018

Sarcomatoid carcinoma of the duodenum

Description

A 69-year-old Caucasian man presented to the gastroenterology clinic with complaints of nausea, abdominal pain and more than 100-pound unintentional weight loss over the past 1 year. He had a history of colon polyps and was overdue for surveillance colonoscopy. He was subsequently scheduled for an outpatient oesophagogastroduodenoscopy (EGD) and colonoscopy as initial work-up for his symptoms. One week later, the patient underwent endoscopy. EGD showed an ulcerated mass in the second portion of the duodenum (figure 1). Biopsy of the lesion showed features of pleomorphic cells without glandular differentiation (figures 2 and 3). Immunohistochemical studies revealed pleomorphic cells positive for cytokeratin AE1/AE3 (figure 4), CAM 5.2 and vimentin (figure 5), focally positive for CK7 (figure 6), and weakly for CK20. They were negative for neuroendocrine markers chromogranin, synaptophysin, and CD45 which is a lymphoid marker. Additional...



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