melasma/补品

BACKGROUND Freckles are due to an increase in the amount of dark pigments called melanin. These spots are more likely developed on the sun-exposed skin areas like the cheeks, nose, and forehead. Nevus is usually a benign melanocytic tumor and can be congenital or acquired. Due to the high influence

OBJECTIVE: Describe the morbidity associated with a rare disease due to an embryological defect. METHODS: Retrospective revision of medical and necropsy reports. Bibliographic research using MEDLINE, LILACS and Index Medicus databases. RESULTS: 1 year-old male patient, admitted with generalized

BACKGROUND Neurocutaneous melanosis is a rare phakomatosis characterized by large or multiple pigmented nevi and melanosis of the leptomeninges. It is often complicated by hydrocephalus due to melanotic deposits interfering with cerebrospinal fluid reabsorption in the basal cisterns or causing