BACKGROUND Management of intraneural perineuriomas remains controversial, largely
due to the lack of knowledge regarding the natural history of these lesions. OBJECTIVE To …

Perineuriomas are infrequent tumors that may be intraneural or extraneural in soft tissue
with no apparent relation with a nerve. Some cases of soft tissue perineurioma may have a …

✓ Intraneural perineurioma, or localized hypertrophic mononeuropathy (LHM), is a focal
lesion that produces a slowly progressive mononeuropathy in a peripheral nerve. The …

The intraneural perineurioma is an uncommon proliferation of perineural cells that forms
onion bulb-like structures surrounding the nerve axons within a portion of a single affected …

We describe a 36‐year‐old woman with progressive bilateral ulnar neuropathy.
Sonographic and magnetic resonance imaging studies revealed extensive focal ulnar nerve …

A perineurioma is a benign nerve sheath tumor that can be classified as intra-or extraneural.
Intraneural perineuriomas (IPs) are restricted to peripheral nerve boundaries and are rarely …

Perineurioma is an uncommon, mostly benign, spindle-cell tumor of peripheral nerve sheath
origin with a predilection for the soft tissues. Although increasing awareness points to the …

OBJECTIVE AND IMPORTANCE: Perineurioma, a rare benign nerve sheath neoplasm
occurring in either an intraneural or soft tissue form, has never been reported to arise in the …

Background Intraneural (IN) perineuriomas are a rare benign hypertrophic nerve tumor,
most frequently occurring in young patients. Patients with IN perineurioma have been …

Perineurial cells, which normally surround the nerve fascicles within a nerve, can be
distinguished from Schwann cells by their immunoreactivity for epithelial membrane antigen …