This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': "Crew haircut appearance in X-ray skull and Gamna Gandy bodies are seen in - \nSelect and explain. \nA. G-6-PD deficiency, B. Hodgkin's lymphoma, C. Hereditary spherocytosis, D. Sickle cell anaemia", 'role': 'user'}, {'content': 'Answer: D \nExplanation: The hair on end appearance is seen in\n\n\nSickle cell anemia\nHereditary spherocytosis\nG-6-PD deficiency\xa0\n\n\nAmong these disorders, Gamma Gandy bodies are seen in sickle cell anemia\nGamma Gandy bodies are found in the spleen.\nThese are nodules that develop through the organization of splenic micro hemorrhages followed by hemosiderin and calcium deposition.\nThese are seen in congestive splenomegaly caused by sickle cell anemia, CML, Liver Cirrhosis.', 'role': 'assistant'}]