A Rare Presentation of Recurrent Malignant Peripheral Nerve Sheath Tumor with Glandular Differentiation-A Case Report

Malignant peripheral nerve sheath tumors (MPNST) are rare heterogeneous group of soft tissue neoplasms. In most cases, they originate within the pre-existing neurofibromatosis. The emergence of glandular structures in MPNST is curious and enigmatic. We report a case of recurrent MPNST with glandular...

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Published inIndian journal of surgical oncology Vol. 15; no. 2; pp. 414 - 419
Main Authors Nadaf, Asmanaz, Telugu, Ramesh Babu, Niaz, Zahida, Al Haddabi, Ibrahim Hassan, Ismail, Babikir, Al-Shaibi, Maha, Itkin, Boris, Rassou, Salim Chaib, Munir, Javeria
Format Report
LanguageEnglish
Published 01.06.2024
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Summary:Malignant peripheral nerve sheath tumors (MPNST) are rare heterogeneous group of soft tissue neoplasms. In most cases, they originate within the pre-existing neurofibromatosis. The emergence of glandular structures in MPNST is curious and enigmatic. We report a case of recurrent MPNST with glandular differentiation arising in the background of neurofibroma in a 20-year-old lady. By immunohistochemistry, MPNST showed focal positive staining for S100 and negative staining for SOX10 while adjacent neurofibroma showed diffuse positivity for S100 and SOX10. The glandular tumor cells showed positive staining for CDX2, Cam5.2, CK19, and CK7 (focal), while negative for SOX10 and S100. MPNST with glandular differentiation is quite rare which may pose a diagnostic challenge. The glandular differentiation in MPNST should be excluded from the metastasis from second primary with the aid of clinical and radiological correlation.
Bibliography:ObjectType-Case Study-2
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ISSN:0975-7651
DOI:10.1007/s13193-024-01914-0