- Giant Chorioangioma of the Placenta as a Cause of Fetal Hydrops and Neonatal Death: A case report.
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Kyu Rae Kim, Kyu Hyung Lee, Tae Ki Yoon, In Kyu Kim, Kyung Sub Cha
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Korean J Pathol. 1992;26(5):524-529.
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 Abstract
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- We described a giant chroioangioma of the placenta that caused premature rupture of membranes at 31 weeks of gestation in a 31-year-old primiparous woman and a subsequent neonatal death of the baby. The placental mass, weighing 820 gm and measuring 21.5x15x4.5 cm, was easily shelled out from a edematous 1280 gm-placenta. The mass had a thin fibrous capsule and a solid fibromatous appearance.
The infant, weighed 2175 gm, appeared edematous oon the whole body and had Apgar scores of 4 and 5 at 1 and 5 minutes respectively. The baby expired 4 days after birth due to high output cardiac failure and respiratory failure.
Postmortem examination revealed markedly dilatated umbilical vein, inferior vena cava and right atrium with patent froamen ovale, congestive hepatosplenomegaly, pulmonary hemorrhages, and meconium aspiration pneumonia.
Microscopically, the mass revealed a variety of histologic patterns, reflecting entire spectrums of villous vasculogenesis from loose myxomatous connective tissue and undifferentiated hemangioblastic cell nests to well-developed capillaries with hematopoietic cells in the lumen.
- Placental Site Nodules & Plaques: A clinicopathologic analysis of 14 cases.
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Kyu Rae Kim, Sun Won Hong, Kyung Sub Cha, In Pyong Kwak, Tae Ki Yoon
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Korean J Pathol. 1992;26(1):53-61.
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- Placental site nodules and plaques have been recently described to designated single or multiple, well-circumscribed, rounded lesions at the placental site, composed of viable or degenerating intermediate trophoblastic cells and extensive hyalinization between the cells. We described clinicopathologic findings of 14 cases of placental site nodules and plaques. The age of 14 patients ranged from 25 to 39(average 33) years and all of them had been pregnant in the past. Ten of them presented with vaginal spotting, which was preceded by recent pregnancy in only 3 cases. Three patients presented with secondary infertility and one with secondary infertility and vaginal spotting. Urine pregnancy tests were negative in all 14 cases at the time of presentation. Ultrasonographic examination disclosed abnormalities in only 3 cases and the remaining cases were normal. Hysterosalpingography was performed in 3 patients who presented with 2 degrees infertility and revealed moderate to severe intrauterine adhesions. Microscopically, chronic endometritis of varying degrees evidenced by plasma cells and eosinophiles were present in all cases and these were more prominent in the vicinity of the lesions. It is presumed that the placental site nodules and plaques are not sloughed at the time of menstruation and it may cause chronic endometritis or intrauterine adhesions at any time after previous delivery.
- Placetnal Findings of Septic Abortion Caused by Listeria Monocytogenes: A case report.
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Kyu Rae Kim, Hee Mo Kim, Joo Yeon Cho, Kyung Sub Cha
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Korean J Pathol. 1991;25(4):387-391.
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- Since human listeriosis was firstly described by Nyfeldt in 1929, Listeria monocytogenes as a cause of septic abortion has been well known. It primarily affects pregnant woman and neonates, the elderly, and persons with immune-system dysfunction due to immunosuppressive drugs, malignant tumors or AIDS. Although several large epidemic listeriosis have been reported in the English literatures, it is still an underdiagnosed and underreported cause of congenital sepsis and septic abortion, because it is not always easy to isolate the organism in culture. There are 17 cases reports of Listeria monocytogenes infection in Korea, however, most of which were described about the bascteriologically proven cases. We describe placental findings of a septic abortion caused by Listeria monocytogenes at 15 weeks gestation in a 23-year-old primigravida woman. Placental examination showed characteristic and relatively specific patterns of granulomatous microabscesses composed of necrotic nuclear debris in the center and surrounding epithelioid histocytes enmeshed in fibrin between the acutely inflamed villi. There were numerous gram positive bacilli on Brown-Brenn stain.
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