Irreducible dorsal dislocation of the interphalangeal joint of the thumb due to the palmar plate. A case report.

Dorsal dislocation of the thumb interphalangeal joint is rare. Only very few cases of irreducible dislocation has been reported at this joint. The authors report a case of compound irreducible dislocation due to the palmar plate interposition. The sesamoid, the flexor pollicis longus have been reported to block reduction of the dorsal dislocation of the thumb interphalangeal joint doctors on casualities should not insist if reduction is not easily obtained, the patient should then be guide towards a surgical team for surgical treatment.