Difference between revisions of "Acute synovitis"
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'''Acute synovitis''' is an inflammatory process involving the synovium | {{ Infobox diagnosis | ||
| Name = {{PAGENAME}} | |||
| Image = Acute synovitis -- intermed mag.jpg | |||
| Width = | |||
| Caption = Acute synovitis. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = synovium with [[neutrophils]] | |||
| Subtypes = | |||
| LMDDx = infectious synovitis | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Site = [[joints]] | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = +/-procedure | |||
| Signs = swelling, erythema, warm joint | |||
| Symptoms = +/-pain | |||
| Prevalence = | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = | |||
| Other = joint culture | |||
| ClinDDx = | |||
| Tx = | |||
}} | |||
'''Acute synovitis''' is an inflammatory process involving the synovium. | |||
===Microscopic | This article deal with nonspecific causes of acute synovitis ('''acute nonspecific synovitis'''). | ||
==General== | |||
*Cultures negative - by definition. | |||
*Nonspecific finding. | |||
*May form a tumour-like mass.<ref name=pmid11783976>{{Cite journal | last1 = Prosser | first1 = GH. | last2 = Sterne | first2 = GD. | last3 = Nancarrow | first3 = JD. | title = Intratendinous rupture of flexor digitorum profundus caused by non-specific synovitis. | journal = Br J Plast Surg | volume = 55 | issue = 1 | pages = 77-9 | month = Jan | year = 2002 | doi = 10.1054/bjps.2001.3726 | PMID = 11783976 }}</ref> | |||
==Microscopic== | |||
Features: | Features: | ||
*Synovium with abundant [[neutrophils]]. | *Synovium with abundant [[neutrophils]]. | ||
| Line 10: | Line 48: | ||
*[[Rheumatoid arthritis]] - should have [[plasma cells]]. | *[[Rheumatoid arthritis]] - should have [[plasma cells]]. | ||
===Sign out | ===Images=== | ||
<gallery> | |||
Image: Acute synovitis -- low mag.jpg | AS - low mag. | |||
Image: Acute synovitis -- intermed mag.jpg | AS - intermed. mag. | |||
Image: Acute synovitis -- high mag.jpg | AS - high mag. | |||
Image: Acute synovitis -- very high mag.jpg | AS - very high mag. | |||
</gallery> | |||
==Sign out== | |||
<pre> | <pre> | ||
SYNOVIUM, | SYNOVIUM, LEFT FIFTH FINGER, EXCISION: | ||
- ACUTE SYNOVITIS WITH FOCAL HEMOSIDERIN-LADEN MACROPHAGES AND FIBROVASCULAR TISSUE. | - ACUTE SYNOVITIS WITH FOCAL HEMOSIDERIN-LADEN MACROPHAGES AND FIBROVASCULAR TISSUE. | ||
- NO SIGNIFICANT NUMBER OF PLASMA CELLS IDENTIFIED. | - NO SIGNIFICANT NUMBER OF PLASMA CELLS ARE IDENTIFIED. | ||
- NO MICROORGANISMS APPARENT WITH ROUTINE STAINS, SEE COMMENT. | - NO MICROORGANISMS APPARENT WITH ROUTINE STAINS, SEE COMMENT. | ||
- NO EVIDENCE OF MALIGNANCY. | - NO EVIDENCE OF MALIGNANCY. | ||
COMMENT: | |||
Correlation with microbiology is suggested. | |||
</pre> | |||
<pre> | |||
SYNOVIUM, RIGHT ELBOW, BIOPSY: | |||
- ACUTE SYNOVITIS. | |||
- NO MICROORGANISMS IDENTIFIED WITH ROUTINE STAINS. | |||
- NEGATIVE FOR MALIGNANCY. | |||
COMMENT: | COMMENT: | ||
| Line 24: | Line 80: | ||
==See also== | ==See also== | ||
*[[Joints]]. | *[[Joints]]. | ||
==References== | |||
{{Reflist|1}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
Latest revision as of 01:58, 7 June 2014
| Acute synovitis | |
|---|---|
| Diagnosis in short | |
 Acute synovitis. H&E stain. | |
|
| |
| LM | synovium with neutrophils |
| LM DDx | infectious synovitis |
| Site | joints |
|
| |
| Clinical history | +/-procedure |
| Signs | swelling, erythema, warm joint |
| Symptoms | +/-pain |
| Other | joint culture |
Acute synovitis is an inflammatory process involving the synovium.
This article deal with nonspecific causes of acute synovitis (acute nonspecific synovitis).
General
- Cultures negative - by definition.
- Nonspecific finding.
- May form a tumour-like mass.[1]
Microscopic
Features:
- Synovium with abundant neutrophils.
- No significant number of plasma cells.
DDx:
- Infectious synovitis.
- Rheumatoid arthritis - should have plasma cells.
Images
AS - low mag.
AS - intermed. mag.
AS - high mag.
AS - very high mag.
Sign out
SYNOVIUM, LEFT FIFTH FINGER, EXCISION: - ACUTE SYNOVITIS WITH FOCAL HEMOSIDERIN-LADEN MACROPHAGES AND FIBROVASCULAR TISSUE. - NO SIGNIFICANT NUMBER OF PLASMA CELLS ARE IDENTIFIED. - NO MICROORGANISMS APPARENT WITH ROUTINE STAINS, SEE COMMENT. - NO EVIDENCE OF MALIGNANCY. COMMENT: Correlation with microbiology is suggested.
SYNOVIUM, RIGHT ELBOW, BIOPSY: - ACUTE SYNOVITIS. - NO MICROORGANISMS IDENTIFIED WITH ROUTINE STAINS. - NEGATIVE FOR MALIGNANCY. COMMENT: Correlation with microbiology is suggested.
See also
References
- ↑ Prosser, GH.; Sterne, GD.; Nancarrow, JD. (Jan 2002). "Intratendinous rupture of flexor digitorum profundus caused by non-specific synovitis.". Br J Plast Surg 55 (1): 77-9. doi:10.1054/bjps.2001.3726. PMID 11783976.