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. Author manuscript; available in PMC: 2013 Apr 28.
Published in final edited form as: Clin Rheumatol. 2011 Jan 15;30(6):805–813. doi: 10.1007/s10067-010-1653-6

Figure 6. Corticosteroid Injection.

Figure 6

After hydrodissection with lidocaine has been performed, and the flexor retinaculum has been lifted by the lidocaine, and the tendon structures and median nerve have been pushed away from the needle tip by injected lidocaine, a syringe exchange is performed and 80 mg of triamcinolone acetonide is injected. This position represents the transverse (short-axis) ulnar approach.