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| Solitary extraovarian primary peritoneal carcinoma with direct invasion into the liver, diaphragm and lung without peritoneal dissemination or distant metastasis |
| Billy Ho Hung Cheung a , Wong Hoi She a , ∗, Siu Lun Ho b , Albert Chi Yan Chan a , Chung Mau Lo a , Tan To Cheung a |
a Department of Surgery, The University of Hong Kong, Hong Kong, China
b Department of Pathology, The University of Hong Kong, Hong Kong, China
∗ Corresponding author.
E-mail address: swh180@ha.org.hk (W.H. She). |
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Abstract Extraovarian primary peritoneal carcinoma (EOPPC) is an uncommon malignancy with many similarities to epithelial ovarian carcinoma in histological, clinical, and etiological aspects [1]. This phenomenon is explained by their common embryonal origin, in which both develop from the coelomic epithelium in the early embryological stage. Despite their similarities, the incidence of EOPPC is significantly lower than that of epithelial ovarian carcinoma (6.78 cases per million vs. 120.5 cases per million) [1].
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2024, Vol. 23 
