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Prolactinomas and optic nerve compression: disappearance of suprasellar extension and visual recovery after two weeks bromocriptine treatment

Prolactinomas and optic nerve compression: disappearance of suprasellar extension and visual recovery after two weeks bromocriptine treatment

Hormone Research 14(3): 141-147

4 patients with prolactinomas and visual field defects are presented. 2 were treated with bromocriptine alone; 1 patient with an 8-month history of visual disturbance had complete recovery of visual fields after 2 weeks and an acute fall in serum prolactin levels. This coincided with disappearance of the suprasellar extension on computer tomography (CT) scanning. The second patient, with a 2-year history, had no visual improvement after 1 year of treatment, although CT scanning showed absence of the suprasellar extension when repeated after 3 months. 2 other patients initially had neurosurgery; 1 with a 2-year history had complete visual recovery, the other with a 1-year history did not recover. Both needed subsequent bromocriptine treatment. In all 4 patients this drug produced a sustained fall in serum prolactin levels. We conclude that bromocriptine therapy can rapidly reduce prolactinoma tumor size and should obviate the necessity for acute neurosurgical intervention in carefully selected patients.

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Accession: 044062061

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PMID: 7286886

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