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Prolactinoma Treatment Status in the Cabergoline Era Shinya WATANABE 1 , Shingo TAKANO 1 , Hiroyoshi AKUTSU 1 , Hiroshige SATO 1 , Akira MATSUMURA 1 1Department of Neurosurgery,Institute of Clinical Medicine,University of Tsukuba Keyword: cabergoline , prolactinoma , transsphenoidal surgery , recurrence pp.1045-1054
Published Date 2011/11/10
DOI https://doi.org/10.11477/mf.1436101563
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 The aim of our study is to report the most adequate therapy for prolactinoma in the cabergoline era. From 2003 to 2009,27 patients with prolactinoma were treated at our hospital. Patients are categorized into 2 groups. The Cabergoline Group: Cabergoline was administered for 5 years and discontinued. Using this protocol,the case with normal prolactin level in addition to having no visible tumor more than 24 months after the discontinuation of cabergoline was judged as cured. The Operation Group: Transsphenoidal surgery (TSS) was performed first. In the Cabergoline group,12 cases were cured with 5 years cabergoline treatment (Cure) and 6 cases were not cured (Not cure). We compared the pretreatment prolactin level,the normalization of the serum level of prolactin,the degree of invasiveness on MRI,regression of the tumor during treatment on MRI,max dose of cabergoline,degree of pituitary hormone replacement,frequency of pregnancy,and follow up periods between the Cabergoline-cure group,the Cabergoline-not-cure group,and the Operation group. Normalization rate in serum level of prolactin and cure rate were 91% and 63% in the Cabergoline group. Pretreatment prolactine level and the frequency of tumor invasiveness on initial MRI were significantly higher in the Cabergoline-not-cure group compared to the Cabergoline-cure group. All of the five woman accompanied with pregnancy after the treatment belonged to the Cabergoline-cure group. In the Operation group,all 4 cases achieved normalization of serum prolactin level without visible tumor and with normal pituitary function. Cabergoline for prolactinoma is effective,but the cure rate by continuous usage of cabergoline for 5 years was 67%. The factors that cabergoline and / or TSS can cure prolactinoma are non-invasive tumor and prolactin level under 200 ng/mL at pretreatment.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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