Musculoskeletal system and connective tissue (M00-M99).
- Arthritis (joint inflammation)
- Osteoarthritis of the sesamoid bones (small bones, embedded in a tendon; lat. Os sesamoideum).
- Osteoarthritis of the scaphoid joint (STT joint; joint between the scaphoid (scaphoid bone), trapezium (large polygonal bone) and the trapezoideum (small polygonal bone))/carpal osteoarthritis.
- Gout (arthritis urica/uric acid-related joint inflammation or tophic gout)/hyperuricemia (elevation of uric acid levels in the blood).
- Pseudarthrosis (joint deformity after fracture (bone fracture)).
- Radiocarpal arthrosis (wrist arthrosis)
- Repetitive Strain Injury Syndrome (RSI syndrome synonyms: secretary’s disease, mouse arm) – clinical picture in which non-specific complaints such as neck, shoulder, arm and / or hand complaints occur after frequently repetitive (repetitive) activities.
- Tendovaginitis stenosans (Quervain’s disease; synonyms: “housewife’s thumb,” quick finger; snapping finger); here: Tendovaginitis stenosans de Quervain (“housewife’s thumb”); nonspecific inflammation in the area of the tendon sheaths of the abductor pollicis longus muscle and the extensor pollicis brevis muscle in the first extensor tendon compartment [pain in or near the wrist on the thumb side; radiates clustered in the direction of the forearm and is aggravated under stress].
- Cysts in the thumb saddle joint
Psyche – nervous system (F00-F99; G00-G99)
- Carpal tunnel syndrome (KTS) – compression syndrome (narrowing syndrome) of the median nerve in the region of the carpal canal.
- Wartenberg syndrome (synonym: Cheiralgia paraesthetica) – nerve compression syndrome of the radial nerve (German: Speichennerv) with sensory disturbances of the extensor (dorso-ulnar) side of the thumb, the extensor side of the index finger area, as well as in the first intermetacarpal space.
