Image of the Week: Foot, ankle masses since birth

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This 12 year-old male presented with a foot and ankle mass which had been growing since birth. He also experienced hypermobility, pain in his left ankle, and a large spongy mass on the lateral and posterior heel and ankle.

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Photo credit: figure1.com/Alan MacGill, DPM, FACFAS

This patient may have proteus syndrome, a rare disorder characterized by rapidly progressive asymmetric abnormal tissue growth, which can be composed of bone, soft tissue, or even vascular malformations. The syndrome has both genetic and exposure components.Photo credit: figure1.com/Alan MacGill,...

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This patient may have proteus syndrome, a rare disorder characterized by rapidly progressive asymmetric abnormal tissue growth, which can be composed of bone, soft tissue, or even vascular malformations. The syndrome has both genetic and exposure components.

Photo credit: figure1.com/Alan MacGill, DPM, FACFAS

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