| The most commonly considered diagnoses are ganglion, implantation dermoid, cyst, abscess, lipoma, subcutaneous foreign body granuloma, and tendon sheath xanthoma. |
| In some cases of general xanthoma diabetes is the causative factor. |
| Previously, these lesions have been attributed to sebaceous cysts, calcified steatocystoma, fibroma, atheroma and xanthoma. |
| There are dermatologic disorders that have been associated with MM, such as amyloidosis, cryoglobulinemia, POEMS syndrome, normolipemic plane xanthoma, and plasmacytoma. |
