Mammary tumor phenotypes in wild-type aging female FVB/N mice with pituitary prolactinomas.

作者: E. Radaelli , A. Arnold , A. Papanikolaou , R. A. Garcia-Fernandez , S. Mattiello

DOI: 10.1354/VP.08-VP-0280-R-FL

关键词: Pituitary tumorsMammary tumorHistopathologyProlactinBiologyPathologyImmunohistochemistryCarcinogenesisAdenocarcinomaAdenoma

摘要: Prolactin-secreting pituitary adenomas are common spontaneous lesions in aging FVB females. proliferations play a significant role mouse mammary tumorigenesis generally producing adenosquamous carcinomas. Since genetically engineered mice frequently used to study tumor biology, we have examined cohort of 64 wild-type FVB/N females establish the prevalence and nature tumors. Tissues from glands were studied by histopathology immunohistochemistry. Of mice, 20 had tumors Mammary associated 17 mice. All prolactin-positive immunohistochemistry classified as prolactinomas. Fourteen tumors, including 12 cases with 2 without concurrent prolactinomas, adenocarcinomas different combinations epithelial growth patterns. Five prolactinomas mammar...

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