Scalp sarcoidosis: a sign of systemic sarcoidosis

Sarcoidosis is a systemic disease often with cutaneous manifestations. Scarring alopecia of the scalp is a rare form of cutaneous sarcoidosis. Herein, we describe a case of sarcoidosis of the scalp mimicking discoid lupus

Scalp sarcoidosis: a sign of systemic sarcoidosis

Sarcoidosis is a systemic disease often with cutaneous manifestations. Scarring alopecia of the scalp is a rare form of cutaneous sarcoidosis. Herein, we describe a case of sarcoidosis of the scalp mimicking discoid lupus

Sinus pericranii with a hair collar sign

Sinus pericranii is a rare vascular malformation in which the extracranial veins are connected to the intracranial venous circulation. It typically appears as a soft mass with a blue hue on the scalp. We describe a patient with sinus pericranii and associated hair collar sign