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The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
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Localized renal cystic disease.

Ramakrishna Narayanan1, Balasubramanyam Shankar1, Chaitanya D Kulkarni1

  • 1Department of Radiodiagnosis and Imaging, Kasturba Medical College, Manipal University, Manipal, Karnataka, India.

Indian Journal of Urology : IJU : Journal of the Urological Society of India
|April 17, 2015
PubMed
Summary

Localized renal cystic disease (LRCD) is a rare kidney condition. Characteristic imaging can diagnose LRCD, preventing unnecessary surgery for patients presenting with symptoms like loin pain.

Keywords:
Computed tomographycystskidneylocalized renal cystic disease

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Area of Science:

  • Nephrology
  • Radiology
  • Medical Imaging

Background:

  • Localized renal cystic disease (LRCD) is a rare, benign, non-hereditary, and non-progressive renal condition.
  • Accurate differentiation from other renal cystic diseases is crucial for appropriate patient management.
  • Familiarity with LRCD's imaging features can prevent unnecessary surgical interventions.

Observation:

  • A 40-year-old male presented with left loin pain.
  • Computed tomography (CT) revealed a cluster of simple cysts in the lower pole of the left kidney.
  • The right kidney and other abdominal organs appeared normal on CT scan.

Findings:

  • The diagnosis of LRCD was established based on typical imaging characteristics.
  • The absence of a family history of cystic renal disease supported the diagnosis.
  • CT imaging is key in identifying localized renal cystic disease.

Implications:

  • This case highlights the importance of recognizing LRCD's distinct imaging patterns.
  • Appropriate diagnosis through imaging avoids invasive procedures and unnecessary surgeries.
  • Understanding LRCD contributes to improved differential diagnosis in patients with renal cysts.