Case Report: Collision Tumour of Colon Leiomyosarcoma and Adenocarcinoma
Published: June 1, 2016 | DOI: https://doi.org/10.7860/JCDR/2016/.7956
Victoria M. Kim, Lindsay Goicochea, Sandy H. Fang
1. Research Fellow and Resident Surgeon, Department of Surgery, Johns Hopkins Hospital, Baltimore.
2. Associate Pathologist, Greater Baltimore Medical Center, Baltimore.
3. Assistant Professor, Department of Surgery, Johns Hopkins Hospital, Baltimore.
Correspondence
Dr. Sandy H. Fang,
600 North Wolfe Street, Blalock 618, Baltimore, MD 21287
E-mail: sfang7@jhmi.edu
The colon is an exceedingly rare site of primary leiomyosarcoma and only a few cases have been published to date. Of the reported cases of collision tumours, collision tumours that specifically occurred in the colon have consisted of combinations of adenoma or adenocarcinoma with lymphomas or neuroendocrine tumours. Here, not only do we report a case of colon leiomyosarcoma, but we report, what is to our knowledge, the first case of collision tumour consisting of colon leiomyosarcoma and adenocarcinoma. Cause, prognosis, and treatment of colon collision tumours vary and are yet to be understood.
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