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Antero-medial temporo-sphenoidal encephaloceles are rarest type of basal encephaloceles with bony defects in lateral sphenoid, and are termed as spontaneous when they occur in the absence of predisposing factors . They most commonly present as CSF rhinorrhea, headache or with signs of meningitis. Imaging play an important role in establishing diagnosis and for preoperative evaluation. Surgery through transnasal /transcranial route is the definite management.