Up to 50% recur after surgery.
Bizarre parosteal osteochondromatous proliferation
Palisaded encapsulated neuroma
Terminal osseous dysplasia with pigmentary defects
Progressive osseous heteroplasia
Proliferating epidermoid cyst
Malignant chondroid syringoma
Intradermal spindle cell lipoma
Acral myxoinflammatory fibroblastic sarcoma