Thalassemia - hair on end sign

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

A known case of thalassemia

Patient Data

Age: 18 years
Gender: Male
x-ray

Long and thin vertical striations in the diploic space.

Case Discussion

Marked vertical striations in a patient with thalassemia give the appearance of hair standing on end so called hair on end sign.

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