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Hemifacial spasm (HFS), a hyperactive dysfunction of the facial nerve, is rarely seen in young people. Between 1984 and 1994, we treated 924 patients with HFS by microvascular decompression at our institution. Of these, 8 (0.9%) were younger than 30 years. In most of the older patients with HFS, the offending artery which compresses the root exit zone was(More)
Recently microvascular decompression surgery has been performed for trigeminal neuralgia or glossopharyngeal neuralgia with remarkable success. In differential diagnosis of such neuralgia, a lot of atypical facial pain must be taken into consideration, one of which is so-called Eagle's syndrome. This syndrome is characterized by elongated styloid process or(More)
It has been well recognized that neurovascular compression can elicit trigeminal neuralgia (TN) and microvascular decompression surgery has become popular as a radical treatment of this clinical symptom. Cerebellopontine (C-P) angle tumors, however, as well known, can also cause TN. Four hundred fifty six patients with TN underwent posterior fossa(More)
Adriamycin, an anthracycline antineoplastic agent, can swiftly be transported to the sensory or somatic motor neurons by way of axoplasmic transport when injected into the subepineurium of the trigeminal nerve or sciatic nerve in experimental animals, and is consequently able to induce degeneration of the neurons without any systemic side effects.(More)
A case of hemangioma calcificans is presented. On CT scan, the tumor shows no mass effect but is accompanied by circumscribed low density which is deemed to indicate brain atrophy and an enlarged subarachnoid space. A case of this tumor surrounded by peritumoral brain atrophy has not been reported before.
A case of spinal cord compression due to postoperative cervical pseudomeningocele is reported. A 63-year-old man had undergone osteoplastic laminectomy of the C-3 through C-6 laminae for quadriplegia after a traffic accident 1 year and 4 months earlier. Computer-assisted tomography with metrizamide injection showed a pseudomeningocele in the paraspinous(More)
A 42-year-old woman whose hemifacial spasm develops not only involuntarily but also synchronously to the sound stimulation to the left ear is presented. She had about 10 years history of left hemifacial spasm which occurred only involuntarily, and she was treated successfully by microvascular decompression method on June 1982. She had been uneventful and(More)