Primary Mesenteric Undifferentiated Pleomorphic Sarcoma Masquerading as a Colon Carcinoma: A Case Report and Review of the Literature
Immunohistochemical analysis: The malignant cells show strong positivity to vimentin and focal patchy positivity to CD68, a nonspecific marker of fibrohistiocytic differentiation. S100 expression was negative.
Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.