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The kidney pictured is grossly enlarged and multiple pale lesions varying in size from approximately 1–4 mm in diameter are visible on the serosal surface. The lesions are slightly raised giving an uneven surface to the kidney. The lesions suggest a multifocal infiltrative or inflammatory disease. Major differential diagnoses would be lymphoma, FIP, and mycobacterial infection. In this
The kidney pictured is grossly enlarged and multiple pale lesions varying in size from approximately 1–4 mm in diameter are visible on the serosal surface. The lesions are slightly raised giving an uneven surface to the kidney. The lesions suggest a multifocal infiltrative or inflammatory disease. Major differential diagnoses would be lymphoma, FIP, and mycobacterial infection. In this
case histology confirmed the diagnosis of FIP.
case histology confirmed the diagnosis of FIP.
|l2=FIP
|l2=FIP#Pathology
|q3=In general, what are the indications and precautions for renal biopsy?
|q3=In general, what are the indications and precautions for renal biopsy?
|a3=
|a3=
A fine needle aspirate is usually sufficient to diagnose lymphoma; renal biopsy is indicated to confirm suspected FIP or other focal infiltrative/inflammatory diseases. Renal biopsy (for histology and culture) can also be valuable in investigation of significant proteinuria and in other cases of renal disease where the results could lead to significantly improved therapy (e.g. pyelonephritis). Renal biopsy should only be performed after careful patient evaluation and assessment of the risk:benefit ratio. A coagulation profile is essential prior to renal biopsy. Ultrasound-guided or surgical needle biopsy, ensuring that the needle stays within the renal cortex, is likely to be the safest method.
A fine needle aspirate is usually sufficient to diagnose lymphoma; renal biopsy is indicated to confirm suspected FIP or other focal infiltrative/inflammatory diseases. Renal biopsy (for histology and culture) can also be valuable in investigation of significant proteinuria and in other cases of renal disease where the results could lead to significantly improved therapy (e.g. pyelonephritis). Renal biopsy should only be performed after careful patient evaluation and assessment of the risk:benefit ratio. A coagulation profile is essential prior to renal biopsy. Ultrasound-guided or surgical needle biopsy, ensuring that the needle stays within the renal cortex, is likely to be the safest method.
|l3=
|l3=Renal Biopsy
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