Neurilemmomas commonly present as solitary subcutaneous nodules on the head or flexor extremities, and less often on the trunk. They may also occur in internal organs including the stomach and bones.
D33.7 – Benign neoplasm of other specified sites of nervous system
189948006 – Schwannoma
Differential Diagnosis & Pitfalls
Other diagnoses to consider include:
- Adnexal tumors (basal cell carcinoma, trichofolliculoma, spiradenoma, hidradenoma, etc)
- Epithelial inclusion cyst (see also dermoid cyst)
- Ganglion cysts