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CC BY-NC-ND 4.0 · Indian Journal of Neurosurgery 2020; 09(01): 55-57
DOI: 10.1055/s-0039-1698846
Case Report

Pineal Parenchymal Tumor with Intermediate Differentiation—A Case Report and Review of Literature from Rural India

Raj Kumar
1   Department of Neurosurgery, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
,
Seema Dayal
2   Department of Pathology, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
,
Mani Krishna
1   Department of Neurosurgery, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
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Erratum: Pineal Parenchymal Tumor with Intermediate Differentiation—A Case Report and Review of Literature from Rural IndiaIndian Journal of Neurosurgery 2020; 09(01): e1-e1
DOI: 10.1055/s-0040-1701598

Abstract

Pineal gland tumors are rare tumors. According to World Health Organization (WHO) classification (2016) of the central nervous system, pineal parenchymal tumors of intermediate differentiation (PPTID) occupied their position between pineocytoma and pineoblastoma. It is either grade II or III. There are small numbers of reported cases, so its classification is still a matter of controversy. Here, we report a case of a 35-year-old man who presented with complaints of headache, nausea, vomiting, and focal weakness for 1 year. Computed tomography revealed an enhancing mass lesion in the region of pineal gland along with hydrocephalus. Following operation, histopathology of excised specimen was done, and it showed cellular tumor. Cells were having larger nuclei, vesicular chromatin pattern, ample cytoplasm, focal neuropil-like stroma along with moderate atypia, 3 to 5 mitotic figures per 10 hpf (high-power field), marked vascular proliferation, and pseudo rosette. Immunohistochemistry was found strongly positive for glial fibrillary acidic protein (GFAP) and neuron-specific enolase (NSE), variable for synaptophysin, and negative for neurofilament and epithelial membrane antigen (EMA). These findings confirmed the diagnosis. As this tumor is rare with uncertain behavior following available treatment, the case report of PPTID grade III large cell type may enrich the existing data and is being presented because of its rarity.

Keywords

pineal parenchymal tumors - pineal parenchymal tumor of intermediate differentiation - tumor grade III


Publication History

Article published online:
09 December 2019

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