2015
DOI: 10.4103/0378-6323.152286
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Spontaneous regression in an ulcerated CK7 positive Merkel cell carcinoma

Abstract: Merkel cell carcinoma is an aggressive and frequently lethal tumor of the elderly, associated with sun exposure and immunosuppression which is less common in the dark-skinned. We report the case of a 40-year-old woman who presented with multiple slowly progressive, mildly itchy ulcerated plaques of size ranging from 2 × 3 cm to 5 × 7 cm on the left knee of 1 year duration. Skin biopsy showed diffuse dermal infiltration by small round cells with molding of cells and lymphocyte infiltration. The cells stained po… Show more

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Cited by 5 publications
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“…Cytokeratin (CK) 20 is another marker to detect these cells and the cancer is typically positive for CK-20 and negative for CK-7, though rare cases with positive CK-7 have been reported. 3 …”
Section: Introductionmentioning
confidence: 99%
“…Cytokeratin (CK) 20 is another marker to detect these cells and the cancer is typically positive for CK-20 and negative for CK-7, though rare cases with positive CK-7 have been reported. 3 …”
Section: Introductionmentioning
confidence: 99%