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Placental site nodule is an uncommon, benign, generally asymptomatic lesion of trophoblastic origin, which may often be detected several months to years after the tenancy from which it resulted. PSN usually presents as menorrhagia, intermenstrual bleeding or an abnormal pap smear. PSN is benign, but it is important to distinguish it from the other benign and malignant lesions like decidua, placental polyp, exaggerated placental site and placental site trophoblastic tumor and squamous cell carcinoma. Follow ups of typical PSNs do not show recurrence or malignant potential.
PDF) Case report Placental site nodule (PSN): An uncommon diagnosis with a common presentation
Gestational Trophoblastic Tumors and Related Tumorlike Lesions
A tumor-like trophoblastic lesion (placental site nodule)
Atypical Placental Site Nodules within the Diverticulum of the Uterine Incision, a Rare Gestational Trophoblastic Disease Misdiagnosed as Intrauterine Residue: A Case Report
Pathology Outlines - Placental site nodule
Atypical Placental Site Nodules within the Diverticulum of the Uterine Incision, a Rare Gestational Trophoblastic Disease Misdiagnosed as Intrauterine Residue: A Case Report
Placental site trophoblastic tumour mimicking an intramural pregnancy: a case report and review of the literature
Gestational trophoblastic disease- rare, sometimes dramatic, and what we know so far - ScienceDirect
A tumor-like trophoblastic lesion (placental site nodule)
Transformation of a post-cesarean section placental site nodule into a coexisting epithelioid trophoblastic tumor and placental site trophoblastic tumor: a case report, Diagnostic Pathology
Histological features of gestational trophoblastic neoplasms.
PDF) Placental site trophoblastic tumour mimicking an intramural pregnancy: a case report and review of the literature
PDF) Molecular analyses of chorionic-type intermediate trophoblastic lesions: Atypical placental site nodules are closer to placental site nodules than epithelioid trophoblastic tumors
The placenta, products of conception, and gestational trophoblastic disease (Chapter 40) - Silverberg's Principles and Practice of Surgical Pathology and Cytopathology
PDF) Placental site trophoblastic tumor in the pelvic wall: A case report and review of the literature