||Human Homo sapiens
||Polyzoidis S, Koletsa T, Panagiotidou S, Ashkan K, Theoharides TC. Mast cells in meningiomas and brain inflammation. J Neuroinflammation. 2015 Sep 17 12 :170. doi: 10.1186/s12974-015-0388-3 p.1 left column top paragraphPubMed ID26377554
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||Primary source  abstract: "In the tumor collection used in this study, secretory meningiomas represented 3% of meningiomas. The female-to-male ratio was 9:1."
||P.1 left column top paragraph: "Meningiomas are primary extra-axial tumors of the central nervous system (CNS) with an incidence of ~2 in 100,000 in adults [BNID 117049]. There is an approximate 3:1 female predominance of these tumors mainly attributed to the action of oestrogens [primary sources]." Primary source  abstract: "The predominance of meningiomas in females, their accelerated growth during the luteal phase of the menstrual cycle and during pregnancy: and the association between meningiomas and breast cancer has led to a number of studies examining the potential role of steroids on the growth of meningiomas." Primary source  abstract: "Meningiomas are common brain tumors that show a predilection for females and become more aggressive during pregnancy and menses. The existence of gender-specific hormone receptors in meningiomas has long been a matter of controversy, the recent cloning of androgen, estrogen, and progesterone receptors has facilitated their direct evaluation."