Mario A. Caviedes Cleves

Department of Pathology, University of Antioquia, Medellín, Colombia


  • Case Report   
    An Unsuspected Diagnosis for a Colonic Necrotic Mass
    Author(s): A.A. Arteta, O.M. Ardila Suarez and Mario A. Caviedes Cleves*

    Schwannomas are benign peripheral nerve sheath tumors derived from Schwann cells which rarely arise in the soft tissues of the gastrointestinal tract. We present a case of a gastrointestinal schwannoma in a previously healthy 50-years-old female, with no family history of congenital diseases. The main symptom of the patients was lower gastrointestinal bleeding. A CT scan and colonoscopy described a 4 cm ulcerated polypoid mass in the descending colon. The microscopic morphology of the lesion and the immunohistochemical profile were consistent with a schwannoma. The patient had a favorable evolution after surgical resection... Read More»

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