Venous malformation of foot

Case contributed by Bao Nguyen
Diagnosis certain

Presentation

Patient presenting with a painful mass in the left foot.

Patient Data

Age: 10 years
Gender: Female

Left foot

mri

There are contiguous foci of locules in the subcutaneous soft tissues at the dorsum and lateral aspect of fifth metatarsophalangeal joint, insinuating between the plantar interosseous muscles and the abductor and flexor digiti minimi and coursing posteriorly along the lateral subcutaneous soft tissues toward the calcaneal process. The lesions exhibit hyperintense T2 signal with a corresponding low T1 signal similar to adjacent muscle, and intense enhancement postcontrast. Findings are consistent with a low flow vascular malformation.

dsa

Injection of contrast into the lesion demonstrates filling of spongiform venous malformation channels with minimal drainage into the deep venous system.

Case Discussion

MRI findings were consistent with a low flow vascular malformation and Intralesional venography confirmed a diagnosis of spongiform, multi-channels venous malformation of the soft tissue. The malformation was successfully treated with sclerotherapy.

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