Metastatic malignant melanoma to the foot and ankle: a review of the literature and case report.

The lower extremity is a frequent site for malignant melanomas. However, skeletal metastases involving the foot and ankle are a rarity. Nearly all documented cases of secondary pedal bone metastasis have originated from a primary subungual melanoma. The following case study illustrates an unusual skeletal metastasis to the foot and ankle arising from a primary malignant melanoma of the torso.