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Updated: Oct 29, 2025

In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
Published on: March 30, 2015
Juxtaglomerular cell tumor diagnosed preoperatively by renal tumor biopsy
Takashi Ueda1, Yukiko Morinaga2, Kai Inoue3
1Department of Urology Kyoto Prefectural University of Medicine Kyoto-City Kyoto Japan.
Introduction:
Diagnosis of small renal tumor from imaging analysis is limited. We report a case of juxtaglomerular cell tumor diagnosed preoperatively by renal tumor biopsy.
Case Presentation:
A 17-year-old male was urgently hospitalized for acute-onset congestive heart failure. Radiographic findings revealed a 2-cm mass lesion, and on renal biopsy, a juxtaglomerular cell tumor was suspected. The juxtaglomerular cell tumor was resected by laparoscopic partial nephrectomy, on suspicion of causing the heart failure. The patient's clinical symptoms improved drastically postoperatively.
Conclusion:
Biopsy may be a promising option for preoperative diagnosis of juxtaglomerular cell tumors.
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