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The Korean Journal of Pathology 1996;30(9): 851-853.
Metastatic Gestational Trophoblastic Disease in the Lung Occuring with Hydatidiform-mole in Tubal Pregnancy: A case report.
Hee Jeong Ahn, Kyu Rae Kim, Chang Jo Chung
1Department of Pathology, Kyung Hee Pundang CHA General Hospital, Sung-nam, Korea.
2Department of Diagnostic Pathology, Samsung Seoul Hospital, Korea.
3Department of Obstetrics and Gynecology, CHA Hospital, Korea.
ABSTRACT
Gestational trophoblastic disease associated with the tubal pregnancy is uncommon, and the incidence has been described as 1/5000 tubal pregnancy. We have experienced a case of metastatic gestational trophoblastic disease(GTD) in the lung occuring with complete hydatidiform mole arising in tubal pregnancy. The patient was a 39-year-old, G4P2A2L2 woman with amenorrhea for 5 weeks. Ectopic pregnancy in the right fallopian tube was suspected on transvaginal ultrasonogram. A right adnexectomy was performed. The fallopian tube was markedly dilated and ruptured. The right ovary and a round hematoma had adhered to the external surface of the fallopian tube. On gross examination, no molar tissue was identified. On microscopic examination, the lumen of the dilated fallopian tube was filled with blood clots admixed with several chorionic villi showing hydropic swelling and marked proliferation of atypical trophoblasts. Proliferating syncytio-and cytotrophoblasts invaded the wall of the blood vessels of the fallopian tube and sheets of trophoblasts and some villi were identified in the lumen of blood vessels. Multiple pulmonary nodules thought to be metastatic nodules were identified in the chest X-ray and serum beta-HCG had increased 2 weeks later. This case indicates that a careful pathological examination in the ectopic pregnancy is mandatory, because tubal GTD is not clinically distinguishable from ordinary tubal pregnancy.
Key Words: metastatic GTD; complete H-Mole; tubal pregnancy