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[Macroprolactinemia and intermediate hyperprolactinemia: clinical manifestations and image]
Ana Carolina Japur de Sá Rosa-e-Silva1, Mariani Mendes Madisson, Marcos Felipe Silva De-Sá
1Departamento de Ginecologia e Obstetrícia, Faculdade de Medicina, Universidade de São Paulo, Ribeirão Preto, SP, Brasil.
Summary
Patients with indeterminate hyperprolactinemia (PRLi) experience more galactorrhea and pituitary tumors than those with macroprolactinemia (PRLm). This study differentiates clinical presentations of these hyperprolactinemia types.
Area of Science:
- Endocrinology
- Reproductive Medicine
- Clinical Diagnostics
Context:
- Hyperprolactinemia is a common endocrine disorder.
- Distinguishing between different forms of hyperprolactinemia is crucial for diagnosis and management.
- Macroprolactinemia (PRLm) and indeterminate hyperprolactinemia (PRLi) represent distinct diagnostic challenges.
Purpose:
- To compare clinical characteristics of patients with indeterminate hyperprolactinemia (PRLi) versus macroprolactinemia (PRLm).
- To assess the prevalence of symptoms and central nervous system tumors in patients with PRLi and PRLm.
- To investigate differences in galactorrhea, infertility, and pituitary tumors between PRLi and PRLm groups.
Summary:
- A retrospective study analyzed 24 patients (11 PRLm, 13 PRLi) in reproductive age with prolactin >25 ng/dL.
- Galactorrhea was significantly more common in the PRLi group (p=0.01).
- Pituitary tumors were found in 70% of PRLi patients versus 17% of PRLm patients (p=0.04). No significant differences in infertility or menstrual irregularities were noted.
Impact:
- Indeterminate hyperprolactinemia (PRLi) is associated with a higher incidence of galactorrhea and pituitary tumors compared to macroprolactinemia (PRLm).
- These findings aid in differentiating hyperprolactinemia subtypes based on clinical presentation.
- Highlights the importance of further investigation for pituitary lesions in patients with PRLi.
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