Musculoskeletal system and connective tissue (M00-M99).
- Tenovaginitis stenosans (synonyms: tendovaginitis stenosans de Quervain; Quervain’s disease; Quervain’s tendovaginitis; “housewife’s thumb,” digitus saltans/snapping finger; snapping finger) – this is a constricting tendovaginitis; in tendovaginitis stenosans de Quervain, the tightness is localized to the 1st extensor tendon compartment. Tendovaginitis stenosans de Quervain (also called housewife’s thumb), can result from overuse, tendon sheath irritation, a tendon sheath inflammation and with some individual predisposition.
- Osteophytes (bone outgrowths) – circumscribed bone neoplasms that originate from the periosteum in the context of degenerative bone changes (eg osteoarthritis).
Injuries, poisoning and other consequences of external causes (S00-T98).
- Distortion (sprain)
- Bone chips