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Updated: Jun 8, 2026
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Translational Orthotopic Models of Glioblastoma Multiforme
Published on: February 17, 2023
Glioblastoma with melanotic differentiation
1Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India. sushilapath@yahoo.com
Clinical Neuropathology
|September 24, 2010
Summary
This study reports the first case of glioblastoma with melanotic differentiation, a rare brain tumor containing melanin pigment. Further research is needed to understand this unique glioblastoma variant.
Area of Science:
- Neuro-oncology
- Surgical Pathology
- Cancer Research
Background:
- Glioblastoma is an aggressive primary brain tumor.
- Melanotic differentiation is rare in gliomas.
Observation:
- A 54-year-old male presented with headache and vomiting.
- MRI revealed a right posterior temporal mass.
- Surgical excision was performed.
Findings:
- Histopathology showed glioblastoma with pigmented cells.
- Special stains and immunohistochemistry confirmed melanin pigment.
- This represents the first reported case of glioblastoma with melanotic differentiation.
Implications:
- This finding expands the known spectrum of glioblastoma morphology.
- Further studies are warranted to investigate the biological basis and clinical behavior of melanotic glioblastoma.
- This case highlights the importance of comprehensive histopathological evaluation for rare tumor variants.
