国重走等种大学 ongqing Medical University Pituitary Adenoma Benign neoplasm arising from anterior pituitary cells 10%of all primary intracranial tumors Their prevalence increases with advancing age most common in the age group of 20 to 50 years Both sexes are equally affected They are usually invasive in children Be vary greatly in size from microscopic to very large Be circumscribed and often have a thin fibrous capsule
Pituitary Adenoma ◼ Benign neoplasm arising from anterior pituitary cells ◼ 10% of all primary intracranial tumors ◼ Their prevalence increases with advancing age most common in the age group of 20 to 50 years ◼ Both sexes are equally affected ◼ They are usually invasive in children ◼ Be vary greatly in size from microscopic to very large ◼ Be circumscribed and often have a thin fibrous capsule
重麦等科大昂 ongging Medical University Microadenoma ·diameter<1cm ·5%~10%of the adults ·rare functional
Microadenoma • diameter ＜1cm • 5%~10% of the adults • rare functional
圈重走背种大学 nongqing Medical University Clinical Features ▣Hyperpituitarism: gigantism aromegaly hyperprolactinemia Hypopituitarism:dwarfism Local mass effects
Clinical Features ◼ Hyperpituitarism: gigantism aromegaly hyperprolactinemia ◼ Hypopituitarism: dwarfism ◼ Local mass effects
网 重麦等科大昂 honggin里Medic四I University Gigantism Growth hormone adenoma occurs before puberty 。 Generalized increase in body size
Gigantism • Growth hormone adenoma occurs before puberty • Generalized increase in body size
圈重走背种大号 hongqing Med山eal Uaiver Acromegaly Growth hormone adenoma occurs after puberty 。Protruding jaw Broaden lower face 。Enlarged hands
Acromegaly • Growth hormone adenoma occurs after puberty • Protruding jaw • Broaden lower face • Enlarged hands