Category Archives: Genodermatoses

Genodermatoses

Blueberry muffin baby

Blueberry muffin baby2

History

          A 2-week-old neonate born with generalized dark blue to magenta, nonblanchable, indurated, round to oval, hemispheric purpuric papules and plaques ranging from 1 mm to 1 cm. The lesions favored the face, trunk and limbs. There was no identifiable underlying cause.
         The main etiologic factors include congenital infections (rubella, cytomegalovirus, and parvovirus B19), hemolytic disease of the newborn (Rh incompatibility, blood group incompatibility), hereditary spherocytosis, neuroblastoma, rhabdomyosarcoma, Langerhans cell histiocytosis, and congenital leukemia.

Verrucous epidermal nevus

History

         A warty brown-black linear plaque involved the lower part of left ear was noted since birth. With the passage of time the lesion became darker in color and had acquired more triangular shape. There were no associated cutaneous or systemic abnormalities.

Lymphangioma circumscriptum

History

           A 12-year-old boy presented with asymptomatic, thick-roofed blister-like lesions involved one side of the trunk in dermatomal distribution since first year of life. Some of the lesions were bloody and others filled with clear fluid. The scar in the upper portion was due to bad surgical treatment at age of 6 years.