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Results for “PITUITARY IRRADIATION”

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At least 73 records · Page 4Linked to original sources
PubMed1979

Treatment of Cushing's disease in juveniles with interstitial pituitary irradiation.

Nine juvenile patients (five boys and four girls aged 10--18 with Cushing's disease were treated with pituitary implantation of 198Au and/or 90Y. No patient had any surgical complication from the procedure. At the latest assessment, 3 months to 17 years after operation, Cushing's disease was in remission in all the patients; the response time following operation was a few days to 3 months. Radiology of the pituitary fossa at time of pituitary implantation was normal in all patients and remains so. The final height in six patients is 149--172 cm (59--67.5 inches) and three patients who continue to grow have increased by 13, 6 and 3 cm since implantation. Only one patient required full pituitary hormone replacement therapy, and he had been previously treated by external irradiation, and one other patient failed to complete puberty. In all the other seven sexual maturation is normal and one has fathered two children. We conclude that pituitary implantation with interstitial irradiation is a satisfactory form of treatment for Cushing's disease in juveniles.

Adolescent↗
PubMed2003

Acquired narcolepsy in an acromegalic patient who underwent pituitary irradiation.

The authors report the case of a 60-year-old man with acromegaly, who developed narcolepsy 2 weeks after completing radiotherapy for a pituitary adenoma. Cataplexy and sleepiness were predominant symptoms. Onset of narcolepsy is unusual at this age and the temporal relationship following radiotherapy suggests this treatment was implicated. His CSF hypocretin levels were normal, indicating other factors may be important in his narcolepsy.

Acromegaly↗
PubMed1984

Delayed sequelae of pituitary irradiation.

Since 1958, 781 patients at Lawrence Berkeley Laboratory have received helium-particle stereotactic radiosurgery to the adenohypophysis. Autopsy findings in 15 of these patients are reported. Ten patients received pituitary radiation (average dose, 116 Gy in six fractions) for progressive neovascularization retinopathy due to diabetes mellitus. Evidence of a time-dependent course of progressive fibrosis in their pituitary glands was found. Five patients were treated for eosinophilic adenomas. Although they had lower average doses of radiation (56 Gy in six fractions), their pituitary glands showed cystic cavitation of the adenomas. The adenomas thus appeared more radiosensitive than the normal pars anterior, which, in turn, was more radiosensitive than the adjacent neurohypophysis. No significant radiation changes were found in the surrounding brain or cranial nerves. The endocrine organs under pituitary control showed varying degrees of atrophy, and clinical tests revealed progressive hypofunction. It was concluded that charged-particle therapy produced a sharply delineated focal radiation lesion confined to the pituitary gland but did not cause injury to the critical structures of the surrounding central nervous system.

Acromegaly↗