Pineal parenchymal tumor of intermediate differentiation.
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Date
2015-10
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Abstract
The 2007 World Health Organization classification of tumors of the central
nervous system identified “pineal parenchymal tumor of intermediate
differentiation” (PPTID) as a new pineal parenchymal neoplasm, located between
pineocytoma and pineoblastoma as grade II or III. Because of the small number
of reported cases, the classification of PPT is still a matter of controversy. We
report a case of PPTID. A 25‑year‑old female patient was admitted to hospital
with complaints of a headache, nausea, vomiting since 1‑year. Computed
tomography/magnetic resonance imaging of the brain showed well‑defined,
mildly enhancing lesion in the region of the pineal gland with areas of calcification.
The tumor was excised. After 3 years, she presented with metastasis in thoracic
and lumbosacral spinal region. This is a rare event.
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Keywords
Differentiation, intermediate, lumbosacral, metastasis, pineoblastoma, pineocytoma, spine, thoracic
Citation
Patil Meena, Karandikar Manjiri. Pineal parenchymal tumor of intermediate differentiation. Indian Journal of Pathology & Microbiology. 2015 Oct-Dec 58(4): 540-542.