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Needle muscle biopsy with the automatic Biopty instrument
A M Coté1, L Jiménez, L S Adelman
1Department of Pathology (Neuropathology), New England Medical Center, Boston, MA 02111.
Neurology
|November 1, 1992
Summary
Needle muscle biopsies using the Bard Biopty device yield sufficient muscle fibers for diagnosis. This minimally invasive technique provides comparable results to open biopsies, making it a more efficient option.
Area of Science:
- Neurology
- Pathology
- Medical Devices
Background:
- Needle muscle biopsies offer a less invasive alternative to open biopsies.
- A key limitation of needle biopsies is the typically small specimen size.
- Evaluating diagnostic yield is crucial for optimizing biopsy techniques.
Purpose of the Study:
- To assess the efficiency and diagnostic adequacy of needle muscle biopsies.
- To compare the Bard Biopty instrument with other biopsy methods.
- To determine if needle biopsy specimens are comparable to open biopsy specimens for pathological interpretation.
Main Methods:
- One hundred and five patients underwent needle muscle biopsies using a 14-gauge spring-loaded device (Bard Biopty).
- Multiple biopsies were performed on 50 patients.
- Specimen adequacy was evaluated based on the number of muscle fibers obtained.
Main Results:
- 146 out of 155 specimens (94%) contained over 200 muscle fibers.
- Some specimens contained up to 500 muscle fibers.
- The Bard Biopty instrument proved more efficient than manual needles and open biopsy techniques.
Conclusions:
- The Bard Biopty needle biopsy instrument provides adequate muscle specimens for pathological interpretation.
- This technique is efficient and yields results comparable to open surgical procedures.
- Needle muscle biopsy with the Bard Biopty device is a viable and effective diagnostic tool.