Online resources have exploded in the last decade, providing a sometimes bewildering array of information, which varies greatly in quality and annotation. Although this provides free access to an unparalleled depth and breadth of content, search engines yield indiscriminate lists…
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Introduction Gestational trophoblastic disease is a spectrum of disorders ranging from unusual presentations of normal implantation, through premalignant hydatidiform moles (complete, partial, and invasive mole) to malignant disorders including choriocarcinoma, placental site trophoblastic tumor, and epithelioid trophoblastic tumor ( Table…
Gross examination of the placenta by the obstetrician or midwife is a routine practice at the time of delivery. Inspection of the membranes, umbilical cord, and cotyledons can help determine whether there is any retained tissue that may result in…
Introduction Interest in placental examination has increased in the last two decades, with more appreciation by obstetricians and neonatologists of the contribution the report can make to understanding adverse perinatal outcomes. Not every placenta need be examined, and a triage…
Normal Peritoneum Knowledge of the peritoneum is important in understanding the pathology of the female genital tract. The uterine corpus, along with the fallopian tubes, the cervix, and the upper part of the vagina, develop from the müllerian ducts, which…
Chapter Outline General Features 694 Mode of Spread 694 Site of Origin 696 Intestinal Carcinomas 696 Krukenberg Tumor 699 Carcinoid Tumors 701 Breast Carcinoma 702 Tumors of the Pancreas, Biliary Tract, and Liver 703 Tumors of the Appendix 704 Renal…
General Features Germ cell tumors arise from primordial germ cells and account for approximately 30% of all ovarian tumors. Over 95% of them are benign dermoid cysts (mature cystic teratomas) and the remaining 5% are malignant. Malignant germ cell tumors…