Cutaneous eruptions have multiple causes including infections, inflammatory, hormonal and metabolic diseases, drugs, cancer, but also external agents. The case below concerns a patient affected by a baboon topography eruption, for which the medical community took a long time establishing a proper diagnosis due to its unexpected origin.Indeed, after having undergone a series of epicutaneous tests, an atopic 62 year-old woman presented all the symptoms of an eczematous eruption with a “baboon” [...]