The Morphologic Spectrum of Cutaneous Sarcoidosis

Cutaneous sarcoidosis can present in numerous ways with morphologic types including papular, subcutaneous, ulcerative, hypopigmented, erythrodermic, ichthyosiform, morpheaform, and mucosal, among others. Accordingly, the disease can mimic more common conditions, present atypically, and often requires histopathology to clarify the diagnosis. This article provides residents with an overview of the several possible common and uncommon cutaneous sarcoidosis variants so that they can have a better understanding of the condition and appreciate when it should be considered in the differential diagnosis.