'Hair on end' appearance is characteristically seen in: (A) Thalasemia major, (B) Sickle cell anaemia, (C) G 6PD deficiency, (D) Hereditary spherocytosis
Answer is A. Ans. a (Thalassemia major) (Ref. Radiology Review Manual, 5th/pg.174)Causes of "hair on end" or "crew hair cut" skull are# Thalassemia (Characteristic)# Hereditary spherocytosis# Sickle cell disease# G-6-PD deficiency# Iron deficiency anaemia# Neuroblastoma