Extensive and Progressing Congenital Dermal Melanocytosis Leading to Diagnosis of GM1 Gangliosidosis.
Pediatr Dermatol 2015 Nov-Dec;32(6):e294-5. Epub 2015 Sep 4.
Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts.
Congenital dermal melanocytosis (CDM) is a birthmark composed of macular blue-grey hyperpigmentation commonly observed in the lumbosacral region of infants. Generally resolving by childhood, it is traditionally considered a benign condition, but it may be a sign of underlying lysosomal storage disease. We report a case of biopsy-confirmed CDM in a 2-month-old girl of Brazilian descent later diagnosed with infantile GM1 gangliosidosis. Read More