Crew haircut appearance in X-ray skull and Gamna Gandy bodies are seen in -

The hair on end appearance is seen in Sickle cell anemia Hereditary spherocytosis G-6-PD deficiency  Among these disorders, Gamma Gandy bodies are seen in sickle cell anemia Gamma Gandy bodies are found in the spleen. These are nodules that develop through the organization of splenic micro hemorrhages followed by hemosiderin and calcium deposition. These are seen in congestive splenomegaly caused by sickle cell anemia, CML, Liver Cirrhosis.