Hyeon Jeong Park Author

Short Communication Open Access

A Case of Basal Cell Carcinoma arising in Seborrheic Keratosis

Author(s):

Hyeon Jeong Park

Malignant tumor occurring within seborrheic keratosis (SK), which is one of the most common benign cutaneous tumors, is very rare. Basal cell
carcinoma (BCC), squamous cell carcinoma and malignant melanoma have been previously documented to occur within SK, and BCC is the most
common malignant neoplasm occurring with SK. A 66-year-old woman presented with recurrent, localized, well-demarcated, verrucous reddish
nodule on left forearm. After wide excision, the histopathological study of the 2.0 x 1.2 x 0.7 cm sized lesion revealed atypical nodular pigmented
basaloid cellular proliferation with acanthosis and some peritumoral clefts conjunction to basal epidermal layer. The CK19 stain showed weakly
and diffusely positive reaction for the pigmented lesion... view more»

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