Nerve Sheath Myxoma: An Immunohistochemical Study of a Case
نویسندگان
چکیده
منابع مشابه
Nerve sheath myxoma: an immunohistochemical study of a case.
An 18-year-old Japanese male presented with a normal-skin-colored, dome-shaped, slightly tender tumor on his left palm. Histopathologically, the tumor consisted of distinct lobules, which were separated by fibrous connective tissue. Each lobule was composed of spindle or round cells within a myxoid matrix, pathognomonic of nerve sheath myxoma. The mucinous material was positively stained by Alc...
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Nerve sheath myxoma has been described as a rare neural tumor arising from Schwann cells. It is observed most frequently in the central area of the face, neck and upper extremities. In the past the term neurothekeoma was used as synonym for nerve sheath myxoma but according to new reports, they are separate entities which can be confirmed by immunohistochemistry as in our case. Oral involvement...
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Nerve sheath myxoma is a rare benign tumor of the peripheral nerves. It typically presents as a painless, firm, and slow growing nodule with a predilection for extremities mostly fingers and knees. Microscopically, it has characteristic multilobules of spindle cells in an abundant myxoid stroma. The cells are strongly positive for S-100 protein. However, this rare tumor is usually misdiagnosed ...
متن کاملNerve sheath myxoma (neurothekeoma)--a case report.
A case of nerve sheath myxoma also called as neurothekeoma in a 33-year-old woman is described. The lesion appeared as a painful, elevated nodule on the scalp for several months, without an appreciable increase in size. Microscopically, it showed typical histologic characteristics of nerve sheath myxoma, and tumor cells revealed strong, positive reaction for S-100 protein and negativity for epi...
متن کاملNerve sheath myxoma: report of a rare case.
Nerve sheath myxoma defined by Harkin and Reed is an uncommon benign neoplasm with nerve sheath like features. It has several cytological and histological differential diagnoses. One such lesion is neurothekeoma, which can be differentiated using immunohistochemistry. In most of the previous reports nerve sheath myxoma and neurothekeoma were considered synonymous and were often confused for one...
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ژورنال
عنوان ژورنال: Dermatology
سال: 1992
ISSN: 1018-8665,1421-9832
DOI: 10.1159/000247551