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Updated: Jun 12, 2026
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In Utero Intra-cardiac Tomato-lectin Injections on Mouse Embryos to Gauge Renal Blood Flow
Published on: February 4, 2015
Juxtaglomerular cell tumor, causing fetal demise
Lubomir Lachvac1, Marian Svajdler, Ladislav Valansky
1Department of Urology, Faculty Hospital, Trieda SNP 1, 040 11 Kosice, Slovakia. lubomir.lachvac@upjs.sk
International Urology and Nephrology
|June 18, 2010
Summary
A rare renin-producing kidney tumor, juxtaglomerular cell tumor (JGCT), can cause miscarriage during pregnancy. Early detection via kidney ultrasound in hypertensive pregnant women is crucial for timely intervention.
Area of Science:
- Nephrology
- Oncology
- Obstetrics & Gynecology
Background:
- Juxtaglomerular cell tumors (JGCTs) are rare, renin-producing renal neoplasms.
- Pregnancy can present unique challenges for diagnosing and managing rare conditions.
Observation:
- A 24-year-old primigravid woman developed persistent hypertension during pregnancy, leading to miscarriage.
- A subsequent examination revealed a right kidney tumor, diagnosed as JGCT via histology and electron microscopy.
- Surgical resection (partial nephrectomy) resulted in normalized blood pressure within two weeks.
Findings:
- Undiagnosed JGCT during pregnancy can precipitate miscarriage.
- Contrast-enhanced CT scans show a characteristic lack of early-phase staining in JGCT, differentiating it from renal cell carcinoma.
- JGCTs are typically benign, with nephron-sparing surgery being the preferred treatment approach.
Implications:
- Kidney ultrasound screening is recommended for pregnant women with new-onset hypertension.
- Prompt diagnosis and management of JGCT can prevent adverse pregnancy outcomes.
- Understanding JGCT's imaging features aids in differential diagnosis from renal cell carcinoma.
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