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Enlarged adenomectomy for enclosed prolactinomas: a preliminary study of 26 cases.

Abstract
Preliminary results obtained from 26 cases of prolactinomas less than 20 mm in diameter after treatment by enlarged adenomectomy are described. The operation consisted in removal of the adenoma, a layer of normal pituitary at the outer edge of the tumour and the pituitary capsule in contact with the sellar meninges. 24 women and 2 men were involved whose prolactin levels (PRL) were less than 200 ng/ml. All presented abnormal PRL responses to Thyrotropin releasing hormone (TRH) and Metoclopramide (MCP) tests and an absence of a nocturnal rise in the sleep cycle study. Postoperatively, three patients developed transitory diabetes insipidus and five transitory adrenal insufficiency. Gonadotropin reserve was always found normal. All 24 women resumed normal menstrual cycles and two became pregnant within one year. From a serological viewpoint, after surgery 100% of patients were found to be normal for levels of prolactin but only 85% turned to normal dynamic tests. The results of this small series of enlarged adenomectomies seem better than those obtained using selective adenomectomy, but must be confirmed with time.
AuthorsF Grisoli, T Brue, N Graziani, R Costa, J Trouillas, D Begou, P Jaquet
JournalActa neurochirurgica (Acta Neurochir (Wien)) Vol. 103 Issue 3-4 Pg. 92-8 ( 1990) ISSN: 0001-6268 [Print] Austria
PMID2399846 (Publication Type: Journal Article)
Topics
  • Adolescent
  • Adult
  • Female
  • Humans
  • Male
  • Neurosurgery (methods)
  • Pituitary Neoplasms (pathology, surgery)
  • Prolactinoma (pathology, surgery)

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