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Primary congenital renal dysplasia and pyelonephritis in a 1 year old FS Boxer

Case Study

Case Study

Primary congenital renal dysplasia and pyelonephritis in a 1 year old FS Boxer

A 1-year-old spayed female Boxer dog was presented for excessive urination and anorexia. Abnormalities on urinalysis were hyposthenuria, trace hematuria, leukocyturia, and bacilli bacteria. Abnormalities on blood chemistry were elevated ALP activity and moderate azotemia. Lyme 4DX test results were negative.

A 1-year-old spayed female Boxer dog was presented for excessive urination and anorexia. Abnormalities on urinalysis were hyposthenuria, trace hematuria, leukocyturia, and bacilli bacteria. Abnormalities on blood chemistry were elevated ALP activity and moderate azotemia. Lyme 4DX test results were negative.

Sonographic Differential Diagnosis

Primary renal dysplasia is likely. Chronic pyelonephritis is also suspected.

Image Interpretation

The kidneys demonstrate severe disruption of architecture, poor corticomedullary definition, and an abnormal corticomedullary ratio. The capsule is retracted in multiple areas, and pelvic disorganization is evident in both kidneys. Diffuse hyperechogenicity is consistent with secondary degenerative process. Pelvic dilation likely indicates concurrent pyelonephritis due to bacterial and leukocyte presence in the urine (despite hyposthenuria).

DX

Primary congenital renal dysplasia and pyelonephritis

Outcome

Pending

Clinical Differential Diagnosis

Congenital renal disease, bacterial nephritis, pyelonephritis, renoliths, ascending cystitis.

Sampling

None

Video

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Patient Information

Patient Name : Daisy J
Gender : Female, Spayed
Species : Canine
Type of Imaging : Ultrasound
Status : Complete
Liz Wuz Here : Yes
Code : 06_00028

Clinical Signs

  • Anorexia
  • Polyuria

Images

CogenitalRenalDiseaseCongenitalRenalDisease

Blood Chemistry

  • Alkaline Phosphatase (SAP), High
  • Azotemia

Clinical Signs

  • Anorexia
  • Polyuria

Special Testing

  • 4Dx Negative

Urinalysi

  • Bacteria Present
  • Blood Present
  • Specific Gravity Low
  • WBCs Present