Solution to Unknown Case #37 – Dorsal Talar Osteophyte: A Talar Beak Mimic

History: man with ankle pain. This is an example of a dorsal talar osteophyte, which is a mimicker of a dorsal talar beak. A dorsal talar osteophyte indicates osteoarthrosis of the talocrural or talonavicular joint. A dorsal talar beak is seen in cases of tarsal coalitions where there are abnormal articulations typically between the calcaneus…

radiologypics

April 1, 2013

1–2 minutes

ankle, MSK, solutions

History: man with ankle pain.

Dorsal talar osteophyte - Lateral radiograph of the ankle reveals a bony excrescence from the dorsum of the talus compatible with an osteophyte. Not there is no evidence of talar beaking or coalition. — **Dorsal talar osteophyte** – Lateral radiograph of the ankle reveals a bony excrescence from the dorsum of the talus compatible with an osteophyte. Note there is no evidence of talar beaking or coalition.

This is an example of a dorsal talar osteophyte, which is a mimicker of a dorsal talar beak. A dorsal talar osteophyte indicates osteoarthrosis of the talocrural or talonavicular joint. A dorsal talar beak is seen in cases of tarsal coalitions where there are abnormal articulations typically between the calcaneus and the navicular bone or the talus and calcaneus bone. A hypertrophied talar ridge can also mimic a talar beak.

See an overview of tarsal coalition imaging here.

One response to “Solution to Unknown Case #37 – Dorsal Talar Osteophyte: A Talar Beak Mimic”

Unknown Case #37 – Ankle Pain | RADIOLOGYPICS.COM

November 16, 2013 at 4:56 pm

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