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skINsight
June 2012

Crystalline Structures as the Only Dermoscopic Clue for the Diagnosis of Basal Cell Carcinoma

Author Affiliations
 

SECTION EDITOR: JAMES M. GRICHNIK, MD, PhD; ASSISTANT SECTION EDITORS: ASHFAQ A. MARGHOOB, MD; ALON SCOPE, MD

Arch Dermatol. 2012;148(6):776. doi:10.1001/archdermatol.2011.2114

The presence of crystalline structures on polarized light dermoscopy has been described in lesions with an increased amount of collagen, such as dermatofibroma, scars, melanoma, Spitz nevi, and basal cell carcinoma (BCC).1 These structures are not visible to the unaided eye, and they do not appear in nonpolarized contact dermoscopic images.2,3

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