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ea0029p1379 | Pituitary Clinical | ICEECE2012

Epidemiology, histophatological characteristics and clinical manifestations of aggressive pituitary tumors, evaluated on the basis of KI-67 immunostaining: a single center experiense

Grasso L. , De Angelis M. , Di Somma C. , Savanelli C. , Galdiero M. , Cozzolino A. , Cavallo L. , Cappabianca P. , Del Basso De Caro M. , Pivonello R. , Colao A.

Aggressive pituitary tumors are classically defined as pituitary tumors with large size, rapid growth and massive invasion of surrounding anatomical structures. This is a group of pituitary tumors with biological behavior between pituitary adenomas and carcinomas and includes a new group of pituitary tumor, defined atypical adenoma, characterized by the presence of invasive growth and combination of increased mitotic activity and a Ki-67 labeling index >3%. The aim of this...

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Endocrine Abstracts

Epidemiology, histophatological characteristics and clinical manifestations of aggressive pituitary tumors, evaluated on the basis of KI-67 immunostaining: a single center experiense

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