Background: Oligodendrogliomas are generally low-grade glial neoplasms commonly occurring in a cortical or subcortical location and frequently contain coarse calcifications. Tumors with 1p and 19q codeletions behave atypically and are more likely to have ill-defined margins and tend to have calcification. Very rarely, diffuse pattern and gliomatosis type of infiltrative nature of oligodendrogliomas have been described in sporadic case reports.
Case description: In this article, we present a case of a 31-year-old male who had diffuse multifocal oligodendroglioma with rare features of extensive callosal and brainstem involvement on imaging.
Conclusion: Rare cases of oligodendrocytic gliomatosis cerebri or oligodendrogliomatosis with diffuse white matter spread of these tumors usually lead to a detrimental course of neurological status and a poor prognosis in these patients.
Keywords: Brain; Infiltration; Oligodendroglioma; Spectroscopy; Tumor.
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