Background Intraneural perineurioma is a rare peripheral nerve sheath tumor characterized
by localized proliferation of perineurial cells. The literature consists predominantly of case …

Pseudolipoblastic perineurioma is a very uncommon variant of extraneural perineurioma,
with only a limited number of cases documented in the medical literature. The most …

Perineuriomas (tumors of perineurial cells) are relatively rare, benign peripheral nerve
sheath-originated neoplasms, presenting extraneural or intraneural tumors. Extraneural …