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[Ureteral malacoplakia: a case report]

K Suzuki1, T Sotoma, T Umemiya

  • 1Department of Urology, National Narashino Hospital, Chiba, Japan.

Hinyokika Kiyo. Acta Urologica Japonica
|February 1, 1996
PubMed
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Ureteral malacoplakia, a rare condition, was diagnosed in a 54-year-old woman presenting with urinary tract infection symptoms. Surgical removal led to a full recovery, highlighting successful treatment for this uncommon urogenital disease.

Area of Science:

  • Urology
  • Pathology
  • Infectious Diseases

Background:

  • Malacoplakia typically affects the urogenital system, but ureteral involvement is exceptionally rare.
  • This case highlights a rare presentation of malacoplakia in the ureter.

Observation:

  • A 54-year-old woman presented with high fever, indicative of a urinary tract infection.
  • Imaging revealed left hydronephrosis, reduced left kidney function, and distal ureteral obstruction, initially suspected as ureteral carcinoma.

Findings:

  • Escherichia coli was isolated from urine samples.
  • Histopathological examination confirmed malacoplakia as the cause of ureteral obstruction.
  • Nephroureterectomy was performed due to suspected malignancy.

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Implications:

  • This case underscores the importance of considering malacoplakia in the differential diagnosis of ureteral obstruction, even in rare presentations.
  • Successful surgical management (nephroureterectomy) resulted in a complete recovery and absence of disease recurrence at 1 year and 9 months post-surgery.