Colagenoma eruptivo em paciente HIV+ / Eruptive collagenoma in an HIV-positive patient

Colagenomas são hamartomas do tecido conjuntivo gerados por aumento anormal do colágeno dérmico. O colagenoma eruptivo caracteriza-se por pequenos nódulos duros, assintomáticos, sem relato de trauma ou processo inflamatório prévios. Descreve-se caso de paciente do sexo masculino, de 28 anos, que há 10 anos notou surgimento espontâneo de lesões papulosas no tronco, nos membros superiores e abdômen, e há três anos descobriu ser soropositivo para HIV. O diagnóstico diferencial, a classificação da doença como entidade própria e a associação casual com o HIV são discutidos, bem como a necessidade da realização da coloração vermelho Picrosirius/luz polarizada para confirmação diagnóstica dos colagenomas.

Collagenomas are connective tissue nevi predominantly composed of excessive dense and coarse collagen in the dermis. Eruptive collagenoma is a rare disorder occurring in young adults as asymptomatic dermal nodules, with no previous history of injury or inflammation and usually localized on the back. We describe the case of a 28-year-old male patient who was examined for numerous asymptomatic little nodules on the trunk and upper arms, which appeared ten years ago with no previous inflammation or injury. Three years ago the patient was diagnosed HIV-positive. Differential diagnoses, classification of the disease as an autonomous entity, its casual association with HIV, as well as the real need for picrosirius red staining to confirm diagnosis of collagenoma are discussed.

Evaluation of a congenital erosive and vesicular dermatosis healing with reticulated supple scarring.

Congenital erosive and vesicular dermatosis healing with reticulated supple scarring is a rare disease first reported by Cohen et al in 1985. To date only 13 cases of this disease have been reported. This entity is characterized by the presence of erosions and vesicles at birth, usually affecting about 75% of the body which heals with reticulated scarring in weeks to months. We report a case of this disease related to a boy who was born with erosions affecting his head, trunk, and limbs. All lesions healed completely after 3 months with reticulated scarring without any clinical complications.