title: Multiple anomalous tendons of the fourth dorsal compartment.
abstract: Variations of the extensor tendons of the fourth dorsal compartment are usually single anomalous tendons to multiple digits or multiple anomalous tendons to a single digit. They are not uncommon. However, while exploring a dorsal wrist mass, we discovered that it was a tenosynovitis presumably secondary to the 12 tendons found in this compartment rather than the expected five extensor tendons.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D013710:Tendons / Q000002:abnormalities*; D013717:Tenosynovitis / Q000209:etiology; D014953:Wrist