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Title: Atypical presentation of sigmoid carcinoma
Author: Malta, W.
Pereira, S.
Gaspar, J.
Silva, A.
Moreira-Costa, A.
Issue Date: Jun-2017
Publisher: Oxford University Press
Citation: J Surg Case Rep. 2017 Jun 5;2017(6):rjx102
Abstract: Colorectal carcinoma is common worldwide and its metastasis represents the main cause of mortality related to the disease. Inguinal metastization of this tumor has been considered almost impossible, owing to colon anatomy and its cranial lymphatic drainage. We report the case of a 63-year-old man submitted to laparoscopical sigmoid colectomy, due a sigmoid adenocarcinoma. During follow-up, a right inguinal lymphadenopathy with 25 mm was detected. Fine needle aspiration biopsy revealed that it was a colon adenocarcinoma metastasis, and thus the patient underwent an inguinal lymphadenectomy. The histological study confirmed metastatic adenocarcinoma of the colon and the patient was submitted to 5-fluouracil and oxaliplatin chemotherapy. This case coursed with metastasis to the right inguinal region; although, the pathophysiological mechanism involved is difficult to understand. There are no solid data for the management of these patients. Inguinal lymphadenectomy and chemotherapy, proved to be effective.
Peer review: yes
DOI: 10.1093/jscr/rjx102
ISSN: 2042-8812
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Appears in Collections:Cir.1 - Artigos publicados em revistas indexadas na Medline

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