Related Experiment Video

Updated: Aug 16, 2026

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring
07:35

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring

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[Foreign body as renal pseudotumor in a patient with renal polycystic kidney]

M J Rebassa Llull1, D Muñoz Vélez, F Hidalgo Pardo

  • 1Servicio de Urología, Hospital Son Dureta, Palma de Mallorca, España.

Archivos Espanoles De Urologia
|February 24, 2001
PubMed
Abstract

Insights

A retained surgical sponge can mimic a pseudotumor in patients with autosomal dominant polycystic kidney disease. Magnetic resonance imaging (MRI) aids in preoperative diagnosis of this rare complication.

Area of Science:

  • Medical Imaging
  • Surgical Complications
  • Nephrology

Background:

  • Autosomal dominant polycystic kidney disease (ADPKD) is a common genetic disorder.
  • Retained surgical sponges are a rare but serious complication following surgery.
  • Pseudotumors can arise from various causes, complicating diagnosis.

Observation:

  • A case of granuloma formation due to a retained surgical sponge mimicking a pseudotumor in an ADPKD patient.
  • Diagnostic imaging, including renal ultrasound, MRI, and arteriography, was utilized for evaluation.
  • MRI revealed characteristic features suggestive of the retained sponge.

Findings:

  • Magnetic resonance imaging (MRI) offers distinct imaging characteristics for preoperative diagnosis of retained surgical sponges.
  • The granuloma presented as a mass, closely resembling a pseudotumor in the affected kidney.
  • Early identification is crucial to prevent further complications.

Implications:

  • Retained surgical sponges should be considered in the differential diagnosis of masses or abscesses in patients with a surgical history.
  • MRI is a valuable tool for the preoperative diagnosis of retained surgical sponges.
  • This case highlights the importance of meticulous surgical practice and awareness of potential complications.

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