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  • Author or Editor: Peter J. Jannetta x
  • By Author: Maroon, Joseph C. x
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Stephen J. Haines, Joseph C. Maroon and Peter J. Jannetta

✓ Five cases of supratentorial intracerebral hemorrhage following posterior fossa surgery are reported. Possible etiologies are discussed, but in only one case can a definite etiology (hypertension) be found. The differential diagnosis of declining level of consciousness after posterior fossa surgery must include supratentorial intracerebral hemorrhage, and computerized tomography seems to be the diagnostic method of choice.

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Jack McCallum, Joseph C. Maroon and Peter J. Jannetta

✓ The authors report the details of the successful treatment of 11 of 12 patients with postoperative cerebrospinal fluid fistulas. Continuous lumbar or ventricular fluid drainage was used.

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Etiology and definitive microsurgical treatment of hemifacial spasm

Operative techniques and results in 47 patients

Peter J. Jannetta, Munir Abbasy, Joseph C. Maroon, Francisco M. Ramos and Maurice S. Albin

✓ The clinical and operative findings are reviewed in 47 patients with intractable hemifacial spasm. The syndrome was classical in its features in 45 patients and atypical in two. Mechanical compression distortion of the root exit zone of the facial nerve was noted in all 47 patients. In 46 the abnormality was vascular cross-compression, usually by an arterial loop. In one patient, a small cholesteatoma was discovered and removed. Morbidity and postoperative results are discussed.