| 词条 | Pyomyositis |
| 释义 |
| name = Pyomyositis | image = Pyomyositis MRI.jpg | caption = Transverse T2 magnetic resonance imaging section through the hip region showing abscess collection in a patient with pyomyositis. | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = Diagnostic method used for PM includes ultrasound, CT scan and MRI. Ultrasound can be helpful in showing muscular heterogeneity or a purulent collection but it is not useful during the first stage of the disease. CT scan can confirm the diagnosis before abscesses occur with enlargement of the involved muscles and hypodensity when abscess is present, terogenous attenuation and fluid collection with rim enhancement can be found. MRI is useful to assess PM and determine its localization and extension | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }} Pyomyositis, also known as tropical pyomyositis or myositis tropicans, is a bacterial infection of the skeletal muscles which results in a pus-filled abscess. Pyomyositis is most common in tropical areas but can also occur in temperate zones. Diagnosis{{Unreferenced section|date=October 2018}}
TreatmentThe abscesses within the muscle must be drained surgically (not all patient require surgery if there is no abscess). Antibiotics are given for a minimum of three weeks to clear the infection.[1] EpidemiologyPyomyositis is most often caused by the bacterium Staphylococcus aureus.[1] The infection can affect any skeletal muscle, but most often infects the large muscle groups such as the quadriceps or gluteal muscles.[2][3][4] Pyomyositis is mainly a disease of children and was first described by Scriba in 1885. Most patients are aged 2 to 5 years, but infection may occur in any age group.[5][6] Infection often follows minor trauma and is more common in the tropics, where it accounts for 4% of all hospital admissions. In temperate countries such as the US, pyomyositis was a rare condition (accounting for 1 in 3000 pediatric admissions), but has become more common since the appearance of the USA300 strain of MRSA.[2][3][4] Additional images{{clear}}References1. ^{{cite journal |vauthors=Chauhan S, Jain S, Varma S, Chauhan SS | title = Tropical pyomyositis (myositis tropicans): current perspective | journal = Postgrad Med J | volume = 80| issue = 943 | pages = 267–70 | year = 2004| pmid = 15138315 | doi = 10.1136/pgmj.2003.009274| url=http://pmj.bmjjournals.com/cgi/pmidlookup?view=long&pmid=15138315 | pmc = 1743005}} 2. ^1 2 {{cite journal| vauthors = Pannaraj PS, Hulten KG, Gonzalez BE, ((Mason EO Jr)), Kaplan SL| title = Clin Infect Dis| year = 2006| volume = 43| pages = 953–60| pmid = 16983604| issue = 8| doi = 10.1086/507637| journal = Clinical Infectious Diseases}} 3. ^1 {{cite journal| author = Ovadia D| title = Primary pyomyositis in children: a retrospective analysis of 11 cases| journal = J Pediatr Orthop B| year = 2007| volume = 16| issue = 2| pages = 153–159| pmid = 17273045|name-list-format=vanc| author2 = Ezra E| author3 = Ben-Sira L| display-authors = 3| doi = 10.1097/BPB.0b013e3280140548| last4 = Kessler| first4 = A| last5 = Bickels| first5 = J| last6 = Keret| first6 = D| last7 = Yaniv| first7 = M| last8 = Wientroub| first8 = S| last9 = Lokiec| first9 = F}} 4. ^1 {{cite journal| author = Mitsionis GI| title = Pyomyositis in children: early diagnosis and treatment| journal = J Pediatr Surg| year = 2009| volume = 44| issue = 11| pages = 2173–178| pmid = 19944229|name-list-format=vanc| author2 = Manoudis GN| author3 = Lykissas MG| display-authors = 3| doi = 10.1016/j.jpedsurg.2009.02.053| last4 = Sionti| first4 = I| last5 = Motsis| first5 = E| last6 = Georgoulis| first6 = AD| last7 = Berisa| first7 = AE}} 5. ^{{cite journal|vauthors=Small LN, Ross JJ | title = Tropical and temperate pyomyositis| journal = Infect Dis Clin North Am| year = 2005| volume = 19| pages = 981–989| doi = 10.1016/j.idc.2005.08.003| pmid = 16297743| issue = 4}} 6. ^{{cite journal|vauthors=Taksande A, Vilhekar K, Gupta S | title = Primary pyomyositis in a child| journal = Int J Infect Dis| year = 2009| volume = 13| pages = e149–e151| pmid = 19013093| doi = 10.1016/j.ijid.2008.08.013| issue = 4}} External links{{Medical resources| DiseasesDB = 29474 | ICD10 = {{ICD10|M|60|0|m|60}} | ICD9 = {{ICD9|040.81}}, {{ICD9|728.0}} | ICDO = | OMIM = | MedlinePlus = | eMedicineSubj = | eMedicineTopic = | MeshID = D052880 | Orphanet=764 }}{{Bacterial diseases}}{{Myopathy}} 4 : Bacterial diseases|Bacterium-related cutaneous conditions|Muscular disorders|Inflammations |
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