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Bullet within the fourth ventricle. Case report.

✓ A woman, shot in the left parietal area with a small caliber pistol, appeared moribund upon admission to the emergency room but rapidly stabilized and became more arousable. In the fifth week following injury, a pneumoencephalogram demonstrated the bullet lying free within the fourth ventricle; it was subsequently removed from the cisterna magna without difficulty. The patient has made progressive neurological improvement. Other reports concerning intraventricular foreign bodies are reviewed and discussed.