Synovitis
Classification according to ICD-10 | |
---|---|
M65.- | Synovitis and tenosynovitis |
M70.0 | Chronic tenosynovitis crepitans of the hand and wrist |
ICD-10 online (WHO version 2019) |
The synovitis (also synovitis ) or synovium inflammation is an inflammatory joint diseases all common inflammation of the inner layer of the joint capsule , the synovium (synovial membranes, synovial membrane). The histological assessment is carried out using the synovitis score .
Acute synovitis
Acute synovitis is characterized by a predominantly granulocytic infiltration of the synovial membrane . It manifests itself in hyperemia (increased blood flow), increased vascular permeability with edema of the synovial membrane and subsequent joint effusion .
Chronic synovitis
In chronic synovitis, lymphomonocytic and plasmacellular infiltration occurs. In some cases villous (= shaggy) proliferation of the synovial cervical cells (villous synovitis) with the formation of pannus tissue, v. a. in rheumatoid arthritis .
See also
- Joint capsule # Capsule injury
- Transient synovitis ("hip runny nose")
Web links
Individual evidence
- ↑ Inflammation of the joint lining (synovitis). DocMedicus Verlag, accessed on August 21, 2019.
- ^ H. Zeidler, J. Zacher: Interdisciplinary clinical rheumatology: internal medicine, orthopedics, immunology. Springer Verlag, 2001, p. 715.
- ↑ Synovitisscore. Grading of chronic synovitis. Medical Care Center for Histology, Cytology and Molecular Diagnostics Trier, accessed on August 21, 2019 (according to Veit Krenn et al .: Grading of chronic synovitis - a histopathological grading system for molecular and diagnostic pathology , PMID 12092767 ).