Lipomatosis
Differential Diagnosis
| Distribution | Age | Associations | |
|---|---|---|---|
| Encephalocranial Lipomatosis | Head and face | Congenital | Cranial asymmetry, mental retardation |
| Diffuse Lipomatosis | Regional | Infant | |
| Fibrolipomatous Hamartoma of Nerve | Segment of major nerve | Usually <30 | Macrodactyly |
| Lumbosacral Lipomatosis | Lumbosacral | Infant | Spina bifida |
| Pelvic Lipomatosis | Perivesicular or perirectal | 9-80 | Cystitis glandularis |
| Symmetrical Lipomatosis | Neck and shoulders | Adult | Alcohol, diabetes |
| Fibrolipomatous Hamartoma of Nerve | Lipofibromatosis |
|---|---|
| Fat with fibrous component | Fat with cellular fibroblastic septa |
| Centered on and surrounds a major nerve | Soft tissue mass, may surround nerve focally |
| Frequently associated with macrodactyly | Not associated with macrodactyly |

