This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemolytic Anemias, Subject name: Pediatrics
Hair on end appearance is seen in- 
Select and explain. 
A. Dermoid cyst, B. Thalassemia, C. Kwashiorkar, D. Tinea capitis
B: Thalassemia
Answer: B: Thalassemia 
Explanation: Ans. is 'b' i.e., Thallasemia o Marked vertical striations in a patient with thalassemia give the appearance of hair standing on end so called hair on end sign usually seen in Thalassemia majorKwashiorkoro Triad ofPsychomotor changeEdema (PEG)Growth retardantHair changes - Changes include dyspigmentation, loss of characteristic curls and sparseness over taple.Flag sign - Alternate band of hypopigmented and normally pigmented hair pattern.