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JOURNAL OF NEUROSURGICAL SCIENCES
A Journal on Neurosurgery
Indexed/Abstracted in: e-psyche, EMBASE, PubMed/MEDLINE, Neuroscience Citation Index, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,651
Journal of Neurosurgical Sciences 2000 September;44(3):150-4
Desmoplastic non-infantile ganglioglioma. Case report
Marti A. 2, Almostarchid B. 2, Maher M. 1, Saidi A. 1
1 Department of Pathology and Neuropathology, Hôpital des Spécialités Oto-Neuro-Ophtalmologiques (ONO), Rabat, Morocco;
2 Department of Neurosurgery. Hôpital Avicenne, CHU Ibn Sina, Rabat
Desmoplastic gangliogliomas are rare mixed glial and neuronal cerebral tumors, especially described in infants below 4 years of age but exceptional cases have been reported in young adults. These tumors are generally localised in parietal or temporal lobes, present as a large cystic lesion with peripheral contrast enhancement. They also have characteristic histological features: extensive desmoplasia and tumoral cells of variable size exhibiting immunohistochemical and ultrastructural features of glial and neuronal differentiation. Total surgical removal is sufficient for the treatment of these tumors and no radiotherapy or chemotherapy are indicated if complete resection is achieved.
We report a case of desmoplastic ganglioglioma in a 19-year-old male. This tumor presented as a large parieto- temporal cystic lesion with rimmed contrast enhancement. At histological examination, this tumor exhibited extensive desmoplasia and comprised 2 types of tumoral cells: small cells with round nuclei, positive for NSE, neurofilaments and synaptophysin and sometimes presenting typical morphological features of neuronal differentiation, and large cells with abundant eosinophilic strongly staining for GFAP. This observation emphazises on the fact that desmoplastic ganglioglioma can no more be considered as a specific entity of infancy and must be well recognised even in young adults because it may be misdiagnosed as malignant glioma.