Talon noir was first described in 1961 by Peachey as atraumatic petechial eruption characteristic of basketball players' heels, and were originally called calcaneal petechiae. It is a dermatosis linked to trauma, with asymptomatic lesions, marked by the presence of blood within the stratum corneum. It presents varied clinical manifestations, with the location depending on the involved provocative fac-tor. The present study describes a case of talon noir in a patient with psoriasis vulgaris and demonstrates the importance of the correlation of clinical, dermoscopic, and histopathological characteristics.

Keywords: BLOOD STAINS, NEVI AND MELANOMAS, FOOT

Adverse reactions associated with drugs presenting cutaneous manifestations are among the most common, expressing itself with multiple clinical aspects and causing significant morbidity. The fixed drug eruption (FDE) is a common adverse reaction with cutaneous involvement and is associated with the use of numerous drugs. Dipyrone is a drug with analgesic and antipyretic effects prescribed widely used in Brazil, however, it is known for its potential to triggering adverse reactions, including the FDE. This report shows an EMF case related to the use of dipyrone, with unique clinical presentation and correlate the clinical, histopathological and dermatoscopic found.

Keywords: DERMOSCOPY; FACE; PATHOLOGY