A prolactinoma is a benign pituitary tumor that makes the hormone prolactin. While these tumors aren’t life threatening, they can cause fertility challenges and vision problems. Most are treated with ...

What are the hormonal correlates of paternal care? Across many animals, the two most commonly found correlates of paternal care are lower testosterone levels and higher prolactin levels. While that ...

Sexual problems in men may be linked to low levels of the hormone prolactin, according to a new study. The finding is perhaps surprising because experts have traditionally thought prolactin, which ...

Invasive pituitary adenomas with infrasellar extension can present with epistaxis and nasal obstruction, mimicking nasopharyngeal carcinoma (NPC) and leading to misdiagnosis. A 32‑year‑old male was ...

A recent study found a minor link between prolactin levels and the risk of developing estrogen receptor (ER)-positive or ER-negative breast cancers. However, there was no association found between the ...

Macroprolactinoma is a type of pituitary tumor that leads to excess production of the hormone prolactin. This type of tumor is larger than a microprolactinoma but smaller than a giant prolactinoma.