View Pneumocephalus Mount Fuji Sign Pictures. It is usually associated with disruption of the skull: Pneumocephalus is defined as the presence of intracranial air.
It is most commonly seen after surgical decompression of a chronic subdural hematoma. Sharing a case of tension pneumocephalus in continuing our radiology spotter series on damsdelhi channel on youtube. Tension pneumocephalus can be considered a neurosurgical emergency, unlike nontension pneumocephalus.
Note that subdural air separates and flattens the frontal lobes while widening the interhemispheric space.
1department of emergency medicine, chi mei medical center, tainan, taiwan. A rare case of spontaneous pneumocephalus associated with nontraumatic. The journal of emergency medicine, vol. The ct scan typically shows the mount fuji sign (the name is derived from a volcanic mountain in japan that is known for its symmetrical.