Medullary sponge kidney

Presentation

Patient with abdominal pain. Lab results show an elevated serum creatinine.

Patient Data

Age: 30 years
Gender: Male
Modality: CT

Diffuse medullary calcifications in both kidneys.

Bilateraly nephrolithiasis and right ureterolithiasis.

Cystic like dilatation of the renal calyces in the right kidney.

Atrophic left kidney.

Case Discussion

Medullary sponge kidney is a sporadic condition diagnosed during workup for renal stones.

Complications include:

  • urinary tract infection
  • haematuria
  • nephrolithiasis-ureterolithiasis

Clusters of pyramidal medullary calcification are characteristic (nephrocalcinosis).

Differential diagnosis include:

  • hyperparathyroidism
  • renal tubular acidosis
  • hypervitaminosis D
  • milk-alkali syndrome
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Case Information

rID: 38191
Case created: 9th Jul 2015
Last edited: 9th Oct 2016
System: Urogenital
Inclusion in quiz mode: Included

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