PMC4275812_01
The radiograph of the hand showing a well circumscribed cystic lesion in the base of second metacarpal.
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The radiograph of the right hand revealed a slightly expanded base of the second metacarpal with a cyst formation (Fig. 1).
MRI picture of the hand showing cystic lesion with well-defined margins suggestive of Brodie's abscess.
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A provisional diagnosis of a Brodie's abscess was suggested by the radiologist (Fig. 2).
Histopathology slide showing seams of osteoid and new bone formation lined by osteoblasts suggestive of osteoid osteoma.
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The appearances were suggestive of a benign osteoid osteoma (Fig. 3).
The radiograph at 3 months follow-up showing the lesion well healed.
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The radiograph showed that the cyst had healed completely (Fig. 4).