Open AccessMalignant melanotic nerve sheath tumors in the spinal canal of psammomatous and non-psammomatous type: Two case reports
Author(s) -
Jeong A Yeom,
You Seon Song,
In Sook Lee,
In Ho Han,
Kyung Un Choi
Publication year - 2022
Publication title -
world journal of clinical cases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.368
H-Index - 10
ISSN - 2307-8960
DOI - 10.12998/wjcc.v10.i24.8735
Subject(s) - medicine , calcification , schwannoma , lesion , nerve sheath tumor , differential diagnosis , magnetic resonance imaging , lumbar , spinal canal , nerve root , pathology , low back pain , radiology , spinal cord , psychiatry , alternative medicine
A malignant melanotic nerve sheath tumor (MMNST), previously known as a melanotic schwannoma, is a rare variant of a peripheral nerve sheath tumor composed of Schwann cells with melanotic differentiation. Only a few reports of spinal MMNST have been reported.