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Modified open renal biopsy. An experience with fifty consecutive cases.
B F Finan1, T E Brewer, R D Hughes
1Central Arkansas Urology Clinic, Little Rock.
American Journal of Nephrology
|January 1, 1989
Summary
A modified open renal biopsy technique using bronchial forceps yielded adequate tissue for diagnosis in all patients with minimal complications. This method offers a higher tissue yield than traditional open or percutaneous needle biopsy.
Area of Science:
- Nephrology
- Surgical Pathology
- Minimally Invasive Procedures
Background:
- Traditional open renal biopsy involves a large incision and deep wedge excision.
- Percutaneous needle biopsy often yields less tissue compared to open methods.
Purpose of the Study:
- To evaluate a modified open renal biopsy technique for improved tissue yield and reduced morbidity.
- To compare the modified open biopsy with traditional methods and percutaneous needle biopsy.
Main Methods:
- Fifty consecutive patients underwent a modified open renal biopsy under general anesthesia.
- A small incision (2-3 cm) allowed excision of 5-7 small pieces of renal tissue using bronchial forceps.
Main Results:
- Adequate tissue for diagnosis was obtained in 100% of biopsies.
- The modified technique resulted in minimal morbidity and no deaths.
- High tissue yield (average 80 glomeruli) was achieved, exceeding percutaneous needle biopsy yields.
Conclusions:
- The modified open renal biopsy is a safe and effective technique.
- It provides superior tissue yield compared to traditional open and percutaneous methods.
- This approach is recommended for obtaining diagnostic renal tissue with low complication rates.