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JOURNAL OF NEUROSURGICAL SCIENCES
Rivista di Neurochirurgia
Indexed/Abstracted in: e-psyche, EMBASE, PubMed/MEDLINE, Neuroscience Citation Index, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,651
Journal of Neurosurgical Sciences 2000 September;44(3):128-32
The neurosurgical management of prolactinomas
Ziya Gokalp H., Deda H., Attar A., Caglar Ugur H., Arasil E., Egemen N.
Department of Neurosurgery, Faculty of Medicine, University of Ankara, Ankara, Turkey
Background. The objective was to discuss the neurosurgical management of the prolactinomas.
Methods. Five-hundred-fifty patients suffering from prolactinoma were treated with trans-sphenoidal and transcranial approach. The diagnosis of prolactinoma was based on various degree of high level prolactinemia, galactorrhea, gonodal disturbance, neurological examination and radiological findings. In all cases the adenoma was histologically verified. The patients were investigated according to the anatomo-radiological classification of Hardy and Vesina, and the range of preoperative PRL basal levels.
Results. Follow-up was ascertained in 81% of patients who were followed for a mean of 7.2 year (1-10 year). While the total removal percentage was 98% in the group with microprolactinoma, this ratio dropped to 63.9% for macroadenomas and 23.5% for giant adenomas. Early improvement of prolactin level ratio was 81.6% in microprolactinomas, 28.3 in macroadenomas and 11.7% in giant adenomas. Hormonal cure was 64.3% in microadenomas, 6.7% in macroadenomas and 0% in giant adenomas. The ratio of hormonal cure was decreasing in patients with high prolactin levels. In the follow-up recurrence of prolactinomas occurred in 39% of the patients.
Conclusions. Medical treatment is the first step in prolactin secreting adenomas. Trans-sphenoidal microsurgery became popular in treatment of prolactinomas because of low operative morbidity and mortality. Patients with recurrence should be evaluated for second step treatment (surgery, bromocriptine, or radiotherapy).