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Placental Site Trophoblastic Tumor
PITFALL
D efinition —A malignancy that arises from the early implantation site extravillous trophoblasts.
Clinical Features
Epidemiology
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Placental site trophoblastic tumors (PSTT) are rare and were only recognized as a malignancy in 1981.
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PSTT are most commonly seen following a normal term delivery.
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Occasional cases follow spontaneous abortions, therapeutic abortions, and ectopic or molar pregnancies.
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Most cases are seen in reproductive-age women, although rare cases are reported in postmenopausal women.
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