ABSTRACT
Immunoglobulin light chain amyloidosis is the most common acquired systemic amyloidosis. Its presentation is often insidious and progressive, which may delay diagnosis. The authors describe a rare case of immunoglobulin light chain amyloidosis in a 34-year-old man with scleroderma-like manifestation substantiated by multifarious laboratory investigations and the histopathologic feature of involved skin lesions stained with Congo red and crystal violet. This helps to maintain a high clinical suspicion of the disease when confronting similar skin presentation.
Subject(s)
Humans , Male , Adult , Skin Diseases/pathology , Immunoglobulin Light Chains , Amyloidosis/pathology , Skin/pathology , Skin Diseases/immunology , Syndrome , Biopsy , Flow Cytometry , Amyloidosis/immunologyABSTRACT
Os autores apresentaram dois casos clinicamente distintos, com diagnóstico histopatológico de amiloidose corneana localizada, sem que padräo familiar e patologias oculares ou sistêmicas associadas pudessem ser identificadas. De acordo com a literatura, os autores fazem o diagnóstico de amiloidose corneana secundária, na qual a provável patologia causal näo foi identificada, mas näo descartam a possibilidade de amiloidose primária localizada da córnea, patologia esta extremamente rara