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Acta Endocrinol (Copenh). 1991 Oct;125(4):392-6.

Prolactinoma and body weight: a retrospective study.

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Department of Endocrinology, University Hospital, Utrecht, The Netherlands.


Body weight and weight history in association with hormone levels were studied retrospectively in 47 patients with prolactinoma; macroprolactinoma was diagnosed in 36, microprolactinoma in 11 patients. At the time of diagnosis a weight history could be traced in 14 patients, 9 patients having gained weight (11.8 +/- 2 kg), 1 with a weight loss of 5 kg, and 4 reporting unaltered body weight. Body weight and Body Mass Index before treatment were 83 +/- 2.4 kg and 27.3 +/- 0.6 kg/m2, respectively. In the male patients the prevalence of BMI greater than or equal to 25 was greater than in the average Dutch male population (p less than 0.001). After 6 months of treatment, mainly with bromocriptine, patients with macroprolactinoma had lost 5.5 +/- 1.6% (p less than 0.002) of initial body weight. No significant weight change occurred in patients with microprolactinoma. Weight loss did not correlate with degree of hyperprolactinemia, nor with decrease of prolactin levels during treatment, in either group of patients. Thyroid or gonadal function were not associated with weight loss either. It appears that prolactinoma is associated with a higher frequency of overweight, as far as patients with macroprolactinoma are concerned.

[Indexed for MEDLINE]

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