Abstract

A 54 year-old women, suffering from Hashimoto’s thyroiditis which currently required only clinical monitoring, presented to our Clinic for the management of a pruritic pigmented lesion of the back. This macule appeared about 20 years before without paraesthesia, opposite the right scapula, with similar history in his family. She denied photosensitivity or any history of excessive sun exposure. Dermatological examination showed confluent macular not infiltrate to the touch, smooth surface, no scales, pigmented seat in the upper back, especially opposite the scapula, about 15 cm, (FIG. 1). She was of Fitzpatrick skin type 4. Dermoscopy showed a homogeneous linear pigmentation, no erythema (FIG. 2).