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23-year-old man with a superficial cortical brain tumor
Brain Pathology (Zurich, Switzerland)
|April 14, 2012
Summary
A rare pigmented desmoplastic ganglioglioma, a melanin-producing brain tumor, was identified in a young adult male. This case expands the known spectrum of these unusual tumors.
Area of Science:
- Neuro-oncology
- Neuropathology
Background:
- Desmoplastic gangliogliomas are rare glial tumors typically diagnosed in children.
- Pigmentation, specifically melanin production, is an uncommon feature in these tumors, with only one prior report in infantile cases.
Observation:
- A 23-year-old male presented with a generalized seizure, leading to the discovery of a cystic brain mass with a mural nodule.
- Histopathological and immunohistochemical analyses confirmed the mass as a pigmented desmoplastic ganglioglioma.
Findings:
- This represents the first reported case of a pigmented desmoplastic ganglioglioma in a non-infantile patient.
- The tumor exhibited melanin-producing capabilities, a characteristic not previously documented in adult desmoplastic gangliogliomas.
Implications:
- This case broadens the understanding of desmoplastic ganglioglioma presentation and histology.
- It highlights the importance of considering pigmented ganglioglioma in the differential diagnosis of adult brain tumors with similar imaging and histological features.

