CASE REPORT: A 43-year-old male with a history of 5 years of erythrocytosis presented with severe headache, orthostatic dizziness, and difficulty walking. [hormones.gr]

Men may have erectile dysfunction, whereas premenopausal women often experience oligomenorrhea or amenorrhea 6, 11 ( Table 1 5 – 12 ). [aafp.org]

Excessive secretion of gonadotropins may lead to oligomenorrhea, amenorrhea, or ovarian hyperstimulation in premenopausal women and premature puberty in boys; however, no symptoms are observed in adult men or postmenopausal women (5). [journals.aace.com]

Multiple ovarian cysts and oligomenorrhea as the initial manifestations of a gonadotropin-secreting pituitary macroadenoma. [ncbi.nlm.nih.gov]

Symptomatically, females may complain of oligomenorrhea or amenorrhea (30%), and males may note decreased libido or sexual dysfunction ( 15-30%). [endocrinologyadvisor.com]

In addition to common neurological signs due to mass effect (headache and/or visual field deterioration), additional clinical manifestations include menstrual irregularities (secondary amenorrhea, oligomenorhea or severe menorrhagia), galactorrhea, infertility [orpha.net]

With MRI scanning (Figure 1) and routine hormone test (Table 1), nonfunctioning pituitary macroadenoma was found on a woman who suffered from secondary amenorrhea at the age of 30. [journals.lww.com]

Approximately 5% of women with primary amenorrhea and 52% with secondary amenorrhea not due to pregnancy have a prolactinoma, as do about 2% of men with impotence. 51 Evaluation Laboratory testing in patients with suspected hyperprolactinemia includes [clinicalgate.com]

Erythropoiesis is a process induced hormonally by erythropoietin and testosterone, which takes effect directly on bone marrow at polychromatophilic erythroblast level and enhances the synthesis of ribosomal RNA. 36 Some recent publications have reported [hormones.gr]