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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: The access route through the anatomical snuffbox in ultrasound-guided synovial biopsy of the wrist allows for a safe and effective collection of tissue samples in inflammatory arthritis

Fig. 1

Ultrasound (US)-guided synovial biopsy of the radiocarpal (RC) joint using the anatomical snuffbox as the access route. A A representative image of a patient undergoing US-guided RC synovial biopsy using a Quick-Core needle (14Gx100 mm). Access is located, with the hand pronated, wrist in slight extension, and thumb abducted, at the bottom of the anatomical snuffbox, immediately below the extensor pollicis longus tendon, superior to the lateral RC ligament, and approximately 5 mm proximal to the trapezius. B US guidance allowed the needle to penetrate approximately 3 cm into the RC joint until it reached the triangular ligament of the carpus. The needle can be visualized in its entire length as a small hyperechoic line within the synovial proliferation above the carpal bones

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Arthritis Research & Therapy

ISSN: 1478-6362

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