Nonmeningothelial Dural-Based Lesions: A Histopathological Analysis

Abstract

Introduction We report 30 cases of nonmeningothelial dural-based lesions encountered during a 3-year study period.

Materials and Methods We retrospectively reviewed pathology records of patients operated for extra-axial, dural-based lesions during the years 2016 to 2018 and included nonmeningothelial lesions as a part of this study.

Results Among the 3,243 neurosurgical specimens for histopathologic examination, only 30 (0.93%) were “nonmeningothelial dural-based lesions.” Six (20%) patients were in the pediatric age group. Pathologic assessment identified 13 cases of solitary fibrous tumor/hemangiopericytoma (43.3%) and 7 cases of Ewing's sarcoma/primitive neuroectodermal tumor (23.3%). Two cases (6.7%) were of metastasis. Other lesions included a single case each of non-Hodgkin's lymphoma, undifferentiated sarcoma, solitary plasmacytoma, and granulocytic sarcoma. Nonneoplastic lesions included two cases each of Rosai–Dorfman disease and nonspecific inflammatory lesions.

Conclusion Nonmeningothelial dural-based lesions being rare, thorough examination of morphological features is a must by the pathologist, to arrive at the accurate diagnosis. Ancillary tests, if required, should be employed in the context of the morphologic picture.

Keywords

dura - extra-axial - infectious - neoplastic - nonmeningothelial

Authors' Contribution

P.K.G. contributed to the concept, design, definition of intellectual content, literature search, experimental studies, data acquisition, data analysis, manuscript preparation, manuscript editing, and manuscript review. A.S.S. contributed to the concept, design, definition of intellectual content, literature search, data acquisition, manuscript preparation, manuscript editing, and manuscript review. She is also the guarantor for the paper. N.A.G. contributed to the concept, definition of intellectual content, literature research, manuscript editing, and manuscript review.

Publikationsverlauf

Artikel online veröffentlicht:
22. September 2023

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