• Anna Bogusławska, Aleksandra Gilis-Januszewska, Magdalena Godlewska, Andrzej Nowak, Jerzy Starzyk, and Alicja Hubalewska-Dydejczyk.
• Department of Endocrinology, Jagiellonian University Medical College, Kraków, Poland
• Pol. Arch. Med. Wewn. 2022 Jun 29; 132 (6).

IntroductionAcromegaly is a chronic, slowly progressive disorder caused mostly by growth hormone (GH)-producing pituitary neuroendocrine tumors (PitNETs). Recently, the associations between sex and age at the time of diagnosis and the course of acromegaly have been a focus of debate.ObjectivesThe aim of our study was to evaluate the association between sex and age at the time of diagnosis of acromegaly and the clinical features, biochemical status, severity of the disease, and comorbidities.Patients And MethodsThis was a single‑center study conducted in a group of consecutive patients with acromegaly and no family history of PitNETs. The participants were divded into 2 subgroups according to sex (male, female) and 3 subgroups according to age at the time of diagnosis: i) younger (≤40 years), ii) middle‑aged (41-59 years), and iii) elderly patients (≥60 years).ResultsOur study included 101 patients (41 men, 60 women) who met the eligibility criteria. The mean (SD) age at the time of diagnosis was 47.3 (14.1) years and the median diagnostic delay was 5 years (interquartile range, 3-10). Age at the time of diagnosis and diagnostic delay were not statistically different in men and women. Levels of insulin‑like growth factor 1 (IGF‑1) above the upper limit of age‑adjusted normal range (%ULN IGF‑1) were greater in men than in women (mean [SD], 174.8% [98.9%] vs 109.4% [66.6%]; P = 0.002), while there was no significant difference in terms of %ULN IGF‑1 between the age groups. Median basal and nadir GH levels did not differ between the sexes. Men presented with hypogonadism more frequently than women (54% vs 26%; P = 0.005). Hyperprolactinemia, hypogonadism, and macroadenoma were more frequently observed in the younger patients than in the middle‑aged and elderly individuals (all P <0.05).ConclusionsAccording to our results, hypogonadism and greater IGF‑1 values were more frequently observed in men with acromegaly. Hyperprolactinemia, hypogonadism, and macroadenoma were more frequent in patients with acromegaly aged 40 years or younger.

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