Intraosseous tophus deposits in the os trigonum.

Fracture of the os trigonum: a case report.

The os trigonum is an inconsistently present accessory bone of the foot situated at the posterolateral aspect of the talus. It may be radiographically confused with fractures of the posterior process of the talus. Fracture of the os trigonum per se is extremely rare. Hyperplantarflexion of the ankle is the mechanism of injury in which the os trigonum is compressed between the posterior malleolu...

Tophaceous gout of the rotator cuff. A case report.

Soft-tissue tophaceous deposits have been reported in the finger, carpal tunnel, spine (cervical and lumbar), hip, knee, and Achilles tendon.1,3,6,8,10,13,16 Intraosseous and intradermal sites have also been described, and there is also a report of a tophus being the cause of fracture nonunion.4,5,17 Glenohumeral joint involvement in gouty arthropathy, however, is unusual.7 Tophaceous gout corr...

Os Trigonum Syndrome

Surgical management of os trigonum and talar spur in sportsmen.

The os trigonum is present in 7.7% (Basmajian 1975) of .............. the population and may be unilateral or bilateral. It is a developmental anomaly, an accessory bone behind the l talus and above the calcaneum. Generally it is of no significance. It may however cause trouble, in jumping, ballet and fast bowling where impulsive plantar flexion while weight-bearing is involved. It then behaves...

Posterior ankle impingement syndrome: a diagnosis rheumatologists should not forget. Two case reports.

The ankle is a common site of painful symptoms in athletes and nonathletes. Posterior ankle pain can be the end result of several pathologies, and a diagnostic challenge for rheumatologists. The posterior ankle impingement syndrome, also known as os trigonum syndrome and posterior tibiotalar compression syndrome, is a clinical disorder characterized by acute or chronic posterior ankle pain trig...