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pigmented basal cell carcinoma
Clinical manifestations:
- translucent nodule or papule with arborizing telangiectasias
- may have central depression or ulceration with a rolled waxy border
- dark brown pigment
Special laboratory:
- epiluminescence microscopy permits differentiation of pigmented BCC vs melanoma
Differential diagnosis:
- pigmented form of basal cell carcinoma often confused with nodular melanoma
- pigmented BCC is generally hard, whereas nodular melanoma is generally soft
- pigmented BCC may have central depression or ulceration
Database Correlations
OMIM 605462
References
- Color Atlas and Synopsis of Clinical Dermatology, Common
and Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY,
1997, pg 214-17
- Medical Knowledge Self Assessment Program (MKSAP) 19
American College of Physicians, Philadelphia 2022