Os trigonum syndrome

Also known as: Posterior ankle impingement

Posterior ankle pain from an accessory bone.

Medical specialty: Orthopedics
Subspecialty: Orthopedics / Foot and ankle
Sex & age distribution: Male: affected; Female: affected, female dancers; Children: yes, adolescent athletes
Gene(s) involved: None recorded

Etiology & mechanism

Repeated plantar flexion in dancers and footballers.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (3)

pain on plantar flexionposterior ankle painswelling

SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.