Posterior Arthroscopic Treatment of a Massive Effusion in the Flexor Hallucis Longus Tendon Sheath Associated with Stenosing Tenosynovitis and Os Trigonum

<div>Computed tomography images showing the os trigonum connected to the posterior aspect of the talus. (a) Plain image, sagittal view (arrow). (b) Three-dimensional image, posterior view (arrow).</div>

Case Reports in Orthopedics

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Figure 3: Posterior Arthroscopic Treatment of a Massive Effusion in the Flexor Hallucis Longus Tendon Sheath Associated with Stenosing Tenosynovitis and Os Trigonum 

Figure 3 | Posterior Arthroscopic Treatment of a Massive Effusion in the Flexor Hallucis Longus Tendon Sheath Associated with Stenosing Tenosynovitis and Os Trigonum 