What Causes a ‘Hair-on-End’ Skull?

Explore the striking ‘hair-on-end’ appearance on a skull radiograph. Understand the key differential diagnoses and the underlying pathophysiological process.

Bone marrow hyperplasia


What process is illustrated in the radiograph?

What is the most likely diagnosis?

Paget’s disease
Osteopetrosis
Hyperparathyroidism
Bone marrow hyperplasia
Acromegaly

Bone marrow hyperplasia, Hair-on-end skull, Hematology, Radiology, Thalassemia

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