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Email bronnett@jhmi.edu
Phone (410) 614-2971

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Gynecologic Pathology Consultation

Brigitte M. Ronnett, M.D.

Primary Appointment in Pathology; Secondary Appointment in Gynecology and Obstetrics

Brigitte M. Ronnett, M.D. is Professor of Pathology and Gynecology & Obstetrics at The Johns Hopkins Hospital, Baltimore, MD. Dr. Ronnett graduated from Northwestern University, Evanston, IL (B.A. chemistry, 1982). She received her medical degree from the University of Chicago Pritzker School of Medicine, Chicago, IL (M.D., 1986). She completed residency training in anatomic and clinical pathology at The Johns Hopkins Hospital, Baltimore, MD, (anatomic: 7/1986-6/1989; clinical: 7/1991-6/1993). She also completed a 1-year surgical pathology fellowship at Memorial Sloan-Kettering Cancer Center, New York, NY (7/1989-6/1990) and a 1-year surgical pathology fellowship/chief residency at The Johns Hopkins Hospital, Baltimore, MD (7/1990-6/1991). She then completed a 2-year subspecialty fellowship in gynecologic pathology at The Johns Hopkins Hospital, Baltimore, MD (7/1993-6/1995). She joined the faculty of the Department of Pathology at The Johns Hopkins Hospital in 1995 and achieved the rank of Full Professor in 2007. Her clinical efforts are focused on a large gynecologic pathology consultation practice at The Johns Hopkins Hospital. Her research efforts have focused on the following topics:
1. ovarian mucinous tumors (distinction of primary and metastatic mucinous tumors in the ovaries, the origin of pseudomyxoma peritonei in women),
2. uterine cervical and endometrial pathology (HPV-related cervical lesions, ancillary techniques for distinction of endocervical and endometrial adenocarcinomas and subtyping of endometrial adenocarcinomas), and
3. hydatidiform moles (ancillary techniques for refined diagnosis).


Ronnett BM, Zahn CM, Kurman RJ, Kass ME, Sugarbaker PH, Shmookler BM. Disseminated peritoneal adenomucinosis and peritoneal mucinous carcinomatosis: a clinicopathologic analysis of 109 cases with emphasis on distinguishing pathologic features, site of origin, prognosis, and relationship to pseudomyxoma peritonei. Am J Surg Pathol 1995;19(12):1390-1408.

Ronnett BM, Kajdacsy-Balla A, Gilks CB, Merino MJ, Silva E, Werness BA, Young RH. Mucinous borderline ovarian tumors: points of general agreement and persistent controversies regarding nomenclature, diagnostic criteria, and behavior. Hum Pathol 2004;35(8):949-960.

Vang R, Ronnett BM. Distinction of primary ovarian mucinous tumors and mucinous tumors metastatic to the ovary: a practical approach with guidelines for prediction of primary site for metastases of uncertain origin. Pathol Case Rev 2006;11(1):18-30.

Ronnett BM, Yemelyanova AV, Vang R, Gilks CB, Miller D, Gravitt PE, Kurman RJ. Endocervical adenocarcinomas with ovarian metastases: analysis of 29 cases, with emphasis on minimally invasive cervical tumors and the ability of the metastases to simulate primary ovarian neoplasms. Am J Surg Pathol 2008;32(12):1835-1853.

Ronnett BM, DeScipio C, Murphy KM. Hydatidiform moles: ancillary techniques to refine diagnosis. Int J Gynecol Pathol 2011;30(2):101-116.

Darragh TM, Colgan TJ, J. Cox T, Heller DS, Henry MR, Luff RD, McCalmont T, Nayar R, Palefsky JM, Stoler MH, Wilkinson EJ, Zaino RJ, Wilbur DC and members of the LAST Project Work Groups. The lower anogenital squamous terminology standardization project for HPV-associated lesions: background and consensus recommendations from the College of American Pathologists and the American Society for Colposcopy and Cervical Pathology. Arch Pathol Lab Med 2012;136(10):1266-1297; J Low Genit Tract Dis 2012;16(3):205-242; Int J Gynecol Pathol 2013;32(1):76-115. (Ronnett BM, member of the LAST Project Work Groups)

Banet N, DeScipio C, Murphy KM, Beierl K, Adams E, Vang R, Ronnett BM. Characteristics of hydatidiform moles: analysis of a prospective series with p57 immunohistochemistry and molecular genotyping. Mod Pathol 2014;27(2):238-254.


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