Hair-on-end appearance in a skull roentgenogram is seen in_______________?

Correct answer: D. Thalassemia

  • A. Fibrous dysplasia
  • B. Pagets disease
  • C. Garre's Osteomyelitis
  • D. Thalassemia

Explanation

Thalassaemia causes marrow expansion as the body increases erythropoiesis, producing a hair-on-end or crew-cut appearance on skull radiographs. Fibrous dysplasia and Paget disease have different radiographic patterns.

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