Obstetrics/GynecologyCASE REPORT

Osteopathic Approach to the Diagnosis of Appendiceal Mucinous Cystadenocarcinoma Mimicking Primary Ovarian Malignant Neoplasm

Daniel Martingano, DO; Hashroop Gurm, OMS III; Andrew Oliff, MD; Francis X. Martingano, MD; and George Aglialoro, DO
Notes and Affiliations
Notes and Affiliations

Accepted: January 19, 2016

Published: July 1, 2016

J Osteopath Med; 116(7): 480-484

The fifth leading cause of cancer-related deaths among women in the United States is ovarian cancer. An estimated 21,980 new cases and 14,270 estimated deaths occurred nationwide in 2014. More than two-thirds of cases of ovarian cancer are diagnosed at stage III or IV when the peritoneal cavity or other organs are affected. Primary appendiceal malignant neoplasms may mimic advanced-stage ovarian cancer and can be misdiagnosed because of its presentation as a palpable adnexal mass. The authors describe a 42-year-old woman who was admitted to the department of obstetrics and gynecology to receive treatment for presumed advanced-stage ovarian cancer. She subsequently received a diagnosis of primary pseudomyxoma peritonei metastatic to the ovaries, mimicking a primary ovarian cancer by osteopathic structural examination findings, serum tumor markers, surgical exploration, and histopathologic confirmation.

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