Human vastus lateralis skeletal muscle biopsy using the Well-Blakesley Conchotome

Abstract

Percutaneous muscle biopsy using the Weil-Blakesley conchotome is well established in both clinical and research practice. It is a safe, effective and well tolerated technique. The Weil-Blakesley conchotome has a sharp biting tip with a 4 - 6 mm wide hollow. It is inserted through a 5 - 10 mm skin incision and can be maneuvered for controlled tissue penetration. The tip is opened and closed within the tissue and then rotated through 90 -180° to cut the muscle. The amount of muscle obtained following repeated sampling can vary from 20 mg to 290 mg which can be processed for both histology and molecular studies. The wound needs to be kept dry and vigorous physical activity kept to a minimum for approximately 72 hr although normal levels of activity can restart immediately following the procedure. This procedure is safe and effective when close attention is paid to the selection of subjects, full asepsis and post procedure care. Both right and left vastus lateralis are suitable for biopsy dependent on participant preference.

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Identifiers

ORCID for Sarah Shaw: orcid.org/0000-0002-2206-6858

ORCID for Helen Roberts: orcid.org/0000-0002-5291-1880

ORCID for Cyrus Cooper: orcid.org/0000-0003-3510-0709

ORCID for Harnish Patel: orcid.org/0000-0002-0081-1802

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