[Autoimmune blistering dermatosis as a paraneoplastic syndrome secondary to testicular cancer].

Background: In this case report, the connection between autoimmune bullous dermatosis acting as a paraneoplastic syndrome and testicular cancer is highlighted.

Clinical Case: A 28-year-old man with no chronic-degenerative diseases or medication consumption presented with erythematous macules and blisters on the chest, spreading to the back and limbs. Physical examination revealed eyelid erythema, conjunctival injection, ulcers on the tongue and lips, and blisters that denuded 90% of the body surface.