Hair-on end appearance is seen in –: (A) Thalassemia, (B) Sickle cell anemia, (C) Hemochromatosis, (D) Megaloblastic anemia
Answer is A. Hair on end appearance is characteristically and most commonly seen in thalassemia because marrow hyperplasia is more marked in this than other anemia.
Sickle cell anemia is the 2nd most common cause (after thalassemia).