The multiplicity of meningiomas or abrupt lesion growth in patients treated with cyproterone
acetate suggests that this progestative treatment may promote lesion growth. We report the …

Results: A rapid onset of clinical symptoms was observed in 6 patients with rapid decreased
visual acuity in 5 patients, suggesting rapidly progressive meningiomas. Lesions were …

The action of synthetic progestogens, prescribed at a conventional dose in women, for a
meningioma, is still poorly understood, and could be related to progesterone receptors. We …

Background The relationship between meningiomas and exogenous sex hormones is well
known, but cyproterone acetate (CA), a progesterone agonist, seems to have a stronger …

Cyproterone acetate (CPA) is an antiandrogenic drug which has recently been recognized
to promote the occurrence and growth of intracranial meningiomas. Nomegestrol acetate …

Background The relationship between increased meningioma incidence and growth and
long-term hormonal therapy with cyproterone acetate (CPA) in women has been recently …

An 80-year-old male visited the hospital as an outpatient with a head injury sustained in a
traffic accident. Brain computed tomography incidentally revealed a left frontal lobe tumor …

Purpose Meningiomas are the most common intracranial tumors, accounting for 20–30% of
central nervous system tumors. Recently, the European Medicines Agency issued an alert …

This case report describes a 45-year-old man with a massive extrasellar prolactinoma,
treated initially with surgery and radiotherapy, who experienced a dramatic reduction of the …

The authors present the case of a patient that demonstrates the long-standing use of
megestrol acetate, a progesterone agonist, and its association with multiple intracranial …