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In postmortem studies of patients with schizophrenia, D2 dopamine receptors in the basal ganglia have been observed to be more numerous than in patients with no history of neurological or psychiatric disease. Because most patients with schizophrenia are treated with neuroleptic drugs that block D2 dopamine receptors in the caudate nucleus, it has been(More)
BACKGROUND When compared to radiosurgery, fractionated stereotactic radiotherapy (FSR) for acoustic neuroma (AN) offers escalation of tumor dose (Gy) and potential sparing of auditory and facial nerve functions. METHOD Over the past 6.5 years 287 consecutive patients have received FSR for AN. One hundred fifty patients have follow up greater than 1 year(More)
For larger acoustic neuromas the preservation of cranial nerve function following radiosurgery remains a challenge. Fractionated stereotactic radiotherapy (FSR) for acoustic neuromas offers both higher total tumour dose (Gy) and potential sparing of the facial motor, sensory and auditory cranial nerves. Eighty consecutive patients (45 M, 35 F) (age(More)
BACKGROUND Microsurgery and single-fraction radiosurgery for acoustic neuromas are associated with high rates of control, but can result in facial palsy and trigeminal neuropathy. To reduce the morbidity of treatment for acoustic neuromas while maintaining efficacy, we explored fractionated stereotactic radiosurgery (FSR). METHODS We reviewed data for 31(More)
OBJECTIVE Despite improved systemic control of metastatic breast cancer, the incidence of brain metastases from breast carcinoma continues to rise, in part because most systemically administered agents have poor central nervous system penetration. Therefore, as a method of optimizing drug delivery into the central nervous system, we studied the safety and(More)
In the medical literature, stereotactic radiosurgery (SRS) for brain metastases results in rates of local control of 65 to 85 %. To define patient selection criteria, we measured the survival in a population with a high proportion of non-small cell lung carcinoma (NCS lung) metastases that occurred soon after primary diagnosis. Between 9/89 and 10/93 30(More)
PURPOSE The potential of halogenated pyrimidines for the radiosensitization of human malignant gliomas remains unrealized. To assess the role of local delivery for radiosensitization, we tested a synthetic, implantable biodegradable polymer for the controlled release of 5-iodo-2'-deoxyuridine (IUdR) both in vitro and in vivo and the resultant(More)