AI Article Synopsis
- A 78-year-old man presented with a dark brown, scaly tumor on his umbilicus, which was excised for examination.
- The histological analysis revealed that it was the acanthotic type of seborrheic keratosis, a variant that is less commonly seen in this area.
- This case is significant as it marks the first report of an acanthotic seborrheic keratosis occurring on the umbilicus, highlighting an unusual presentation of a generally common skin tumor.
Article Abstract
A 78-year-old man was seen for a tumor on his umbilicus. Clinically, there was a dark brown nodule with thick scales. The excised tumor showed the acanthotic type of seborrheic keratosis. Six cases of seborrheic keratosis arising on the umbilicus have been reported. All of them were of the histologically hyperkeratotic type. Our case is the first report of an acanthotic type of seborrheic keratosis on the umbilicus. Seborrheic keratosis is one of the common skin tumors, but we hesitated in this diagnosis because of its abnormal location.
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| http://dx.doi.org/10.7888/juoeh.31.51 | DOI Listing |
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