Malignant peripheral nerve sheath tumor of the orbit
Malignant peripheral nerve sheath (MPNS) tumor is a rare neoplasm of the orbit. The authors report a 78-year-old woman with an anaplastic MPNS tumor of the orbit that arose from a pre-existing encapsulated tumor composed of cells having a low mitotic index and displaying ultrastructural features of...
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| Veröffentlicht in: | Orbit (Amsterdam) 1992, Vol.11 (1), p.11-18 |
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| creator | Margo, Curtis E. Shorstein, Neal H. Nicolitz, Ernst |
| description | Malignant peripheral nerve sheath (MPNS) tumor is a rare neoplasm of the orbit. The authors report a 78-year-old woman with an anaplastic MPNS tumor of the orbit that arose from a pre-existing encapsulated tumor composed of cells having a low mitotic index and displaying ultrastructural features of Schwann cells. The encapsulated tumor was unusual for a schwannoma because of its greater cellularity, absence of Antoni B tissue, and rarity of nuclear palisading. This combination of morphologic findings has two possible interpretations: (1) the anaplastic portion of the tumor arose from a variant of benign schwannoma known as a cellular schwannoma, or (2) the entire tumor was an MPNS tumor with variable differerentiation and extensive growth within markedly thickened perineurium. |
| doi_str_mv | 10.3109/01676839209087673 |
| format | Article |
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The authors report a 78-year-old woman with an anaplastic MPNS tumor of the orbit that arose from a pre-existing encapsulated tumor composed of cells having a low mitotic index and displaying ultrastructural features of Schwann cells. The encapsulated tumor was unusual for a schwannoma because of its greater cellularity, absence of Antoni B tissue, and rarity of nuclear palisading. This combination of morphologic findings has two possible interpretations: (1) the anaplastic portion of the tumor arose from a variant of benign schwannoma known as a cellular schwannoma, or (2) the entire tumor was an MPNS tumor with variable differerentiation and extensive growth within markedly thickened perineurium.</description><identifier>ISSN: 0167-6830</identifier><identifier>EISSN: 1744-5108</identifier><identifier>DOI: 10.3109/01676839209087673</identifier><language>eng</language><publisher>Informa UK Ltd</publisher><subject>malignant schwannoma ; nerve sheath tumor ; neurilemmoma ; neurofibromatosis ; orbital tumor ; schwannoma</subject><ispartof>Orbit (Amsterdam), 1992, Vol.11 (1), p.11-18</ispartof><rights>1992 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 1992</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c263t-44a60a6543474f162cfb7ffed5878700568e77788aa0bfe4dd98bbee9dd9be403</citedby><cites>FETCH-LOGICAL-c263t-44a60a6543474f162cfb7ffed5878700568e77788aa0bfe4dd98bbee9dd9be403</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.3109/01676839209087673$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.3109/01676839209087673$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,4024,27923,27924,27925,59647,59753,60436,60542,61221,61256,61402,61437</link.rule.ids></links><search><creatorcontrib>Margo, Curtis E.</creatorcontrib><creatorcontrib>Shorstein, Neal H.</creatorcontrib><creatorcontrib>Nicolitz, Ernst</creatorcontrib><title>Malignant peripheral nerve sheath tumor of the orbit</title><title>Orbit (Amsterdam)</title><description>Malignant peripheral nerve sheath (MPNS) tumor is a rare neoplasm of the orbit. The authors report a 78-year-old woman with an anaplastic MPNS tumor of the orbit that arose from a pre-existing encapsulated tumor composed of cells having a low mitotic index and displaying ultrastructural features of Schwann cells. The encapsulated tumor was unusual for a schwannoma because of its greater cellularity, absence of Antoni B tissue, and rarity of nuclear palisading. This combination of morphologic findings has two possible interpretations: (1) the anaplastic portion of the tumor arose from a variant of benign schwannoma known as a cellular schwannoma, or (2) the entire tumor was an MPNS tumor with variable differerentiation and extensive growth within markedly thickened perineurium.</description><subject>malignant schwannoma</subject><subject>nerve sheath tumor</subject><subject>neurilemmoma</subject><subject>neurofibromatosis</subject><subject>orbital tumor</subject><subject>schwannoma</subject><issn>0167-6830</issn><issn>1744-5108</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNp9kMFOwzAMhiMEEmPwANzyAgVnSZNUcEETDKQhLnCu0tahnbpmcjLQ3p5O44IQnGzJ_2frM2OXAq6kgOIahDbaymIGBVijjTxiE2GUynIB9phN9vNsDMApO4txBQDSKpgw9ez67n1wQ-IbpG7TIrmeD0gfyGOLLrU8bdeBePA8tcgDVV06Zyfe9REvvuuUvT3cv84fs-XL4ml-t8zqmZYpU8ppcDpXUhnlhZ7VvjLeY5NbYw1Ari0aY6x1DiqPqmkKW1WIxdhUqEBOmTjsrSnESOjLDXVrR7tSQLnXLn9pj8ztgekGH2jtPgP1TZncrg_kyQ11F_fo3_jND3x8QZ_a2hGWq7ClYdT95_gXDMJv_g</recordid><startdate>1992</startdate><enddate>1992</enddate><creator>Margo, Curtis E.</creator><creator>Shorstein, Neal H.</creator><creator>Nicolitz, Ernst</creator><general>Informa UK Ltd</general><general>Taylor & Francis</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>1992</creationdate><title>Malignant peripheral nerve sheath tumor of the orbit</title><author>Margo, Curtis E. ; Shorstein, Neal H. ; Nicolitz, Ernst</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c263t-44a60a6543474f162cfb7ffed5878700568e77788aa0bfe4dd98bbee9dd9be403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>malignant schwannoma</topic><topic>nerve sheath tumor</topic><topic>neurilemmoma</topic><topic>neurofibromatosis</topic><topic>orbital tumor</topic><topic>schwannoma</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Margo, Curtis E.</creatorcontrib><creatorcontrib>Shorstein, Neal H.</creatorcontrib><creatorcontrib>Nicolitz, Ernst</creatorcontrib><collection>CrossRef</collection><jtitle>Orbit (Amsterdam)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Margo, Curtis E.</au><au>Shorstein, Neal H.</au><au>Nicolitz, Ernst</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Malignant peripheral nerve sheath tumor of the orbit</atitle><jtitle>Orbit (Amsterdam)</jtitle><date>1992</date><risdate>1992</risdate><volume>11</volume><issue>1</issue><spage>11</spage><epage>18</epage><pages>11-18</pages><issn>0167-6830</issn><eissn>1744-5108</eissn><abstract>Malignant peripheral nerve sheath (MPNS) tumor is a rare neoplasm of the orbit. The authors report a 78-year-old woman with an anaplastic MPNS tumor of the orbit that arose from a pre-existing encapsulated tumor composed of cells having a low mitotic index and displaying ultrastructural features of Schwann cells. The encapsulated tumor was unusual for a schwannoma because of its greater cellularity, absence of Antoni B tissue, and rarity of nuclear palisading. This combination of morphologic findings has two possible interpretations: (1) the anaplastic portion of the tumor arose from a variant of benign schwannoma known as a cellular schwannoma, or (2) the entire tumor was an MPNS tumor with variable differerentiation and extensive growth within markedly thickened perineurium.</abstract><pub>Informa UK Ltd</pub><doi>10.3109/01676839209087673</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0167-6830 |
| ispartof | Orbit (Amsterdam), 1992, Vol.11 (1), p.11-18 |
| issn | 0167-6830 1744-5108 |
| language | eng |
| recordid | cdi_crossref_primary_10_3109_01676839209087673 |
| source | Taylor & Francis Medical Library - CRKN; Taylor & Francis Journals Complete |
| subjects | malignant schwannoma nerve sheath tumor neurilemmoma neurofibromatosis orbital tumor schwannoma |
| title | Malignant peripheral nerve sheath tumor of the orbit |
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