We present a case of pleurodesis by intrapleural injection of OK-432 for the treatment of fetal chylothorax at an early gestational age. OK-432 injection achieved rapid and effective control of pleural effusion with no adverse effects.

Primary aldosteronism rarely complicates pregnancy. We present a woman with primary aldosteronism in pregnancy associated with severe preeclampsia. A 33-year-old Japanese woman with hypertension was referred to our hospital at 25 weeks of gestation. Her blood pressure was 180/100 mmHg, and laboratory tests identified a low serum potassium level and moderate proteinuria on urinalysis. The fetus was diagnosed with growth restriction. Plasma renin activity (PRA) value was 2.2 ng/mL/h and plasma aldosterone concentration (PAC) was elevated (260 pg/mL). The patient was treated medically. At 27 weeks of gestation, we noted persistent late fetal heart rate decelerations associated with uterine contractions. Therefore, elective caesarean section was performed and she was delivered of a 698-g female. After delivery, PRA declined and PAC remained elevated. Abdominal computerized tomography scan and I131-iodochoresterol scan revealed a tumor in the left adrenal gland. Laparoscopic adrenalectomy was performed and confirmed the clinical diagnosis.

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Observed associations suggest that cyclooxygenase-2 plays an important role in progression of the adenoma-to-carcinoma sequence.