Mycobacterium abscessus diagnostic criteria: Difference between revisions
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==Overview== | ==Overview== | ||
When symptoms suggestive [[skin and soft tissues infection]] with ''mycobacterium abscessus'' (''M. abscessus'') are present, the definitive diagnosis requires the isolation of the organism from the infection site or, in severe cases, from a [[blood culture]]. The diagnosis of pulmonary ''M. abscessus'' infection requires the presence of clinical, radiological and microbiological diagnostic criteria.<ref name="pmid17277290">{{cite journal| author=Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F et al.| title=An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases. | journal=Am J Respir Crit Care Med | year= 2007 | volume= 175 | issue= 4 | pages= 367-416 | pmid=17277290 | doi=10.1164/rccm.200604-571ST | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17277290 }} </ref> | |||
==Diagnostic Criteria for Skin and Soft Tissues Infection== | ==Diagnostic Criteria for Skin and Soft Tissues Infection== | ||
There is no formal diagnostic criteria for skin and soft tissues | There is no formal diagnostic criteria for skin and soft tissues ''M. abscessus'' infection. Clinically, the disease is characterized by red/purple, warm, tender to the touch, swollen, and/or painful skin. To reach a definitive diagnosis, the organism has to be cultured from the infection site or, in severe cases, from a blood culture. | ||
==Diagnostic Criteria for Pulmonary Mycobacterium Abscessus== | ==Diagnostic Criteria for Pulmonary Mycobacterium Abscessus== | ||
The diagnosis of pulmonary | The diagnosis of pulmonary ''M. abscessus'' infection requires the presence of clinical and microbiological criteria.<ref name="pmid17277290">{{cite journal| author=Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F et al.| title=An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases. | journal=Am J Respir Crit Care Med | year= 2007 | volume= 175 | issue= 4 | pages= 367-416 | pmid=17277290 | doi=10.1164/rccm.200604-571ST | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17277290 }} </ref> | ||
===Clinical Diagnostic Criteria=== | ===Clinical Diagnostic Criteria=== | ||
* Pulmonary symptoms, ''OR'' | * Pulmonary symptoms, ''OR'' | ||
* Cavitation or nodular opacities on [[chest X-ray]], ''OR'' | * Cavitation or nodular opacities on [[chest X-ray]], ''OR'' | ||
* Multifocal [[bronchiectasis]] with multiple small nodules on HRCT scan | * Multifocal [[bronchiectasis]] with multiple small nodules on high resolution CT scan (HRCT scan) | ||
''AND'' | ''AND'' | ||
* Other diagnoses, such as [[tuberculosis]], are ruled out<ref name="pmid17277290">{{cite journal| author=Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F et al.| title=An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases. | journal=Am J Respir Crit Care Med | year= 2007 | volume= 175 | issue= 4 | pages= 367-416 | pmid=17277290 | doi=10.1164/rccm.200604-571ST | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17277290 }} </ref> | * Other diagnoses, such as [[tuberculosis]], are ruled out<ref name="pmid17277290">{{cite journal| author=Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F et al.| title=An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases. | journal=Am J Respir Crit Care Med | year= 2007 | volume= 175 | issue= 4 | pages= 367-416 | pmid=17277290 | doi=10.1164/rccm.200604-571ST | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17277290 }} </ref> | ||
===Microbiological Diagnostic Criteria=== | ===Microbiological Diagnostic Criteria=== | ||
* Positive culture from ≥2 different expectorated sputum samples | * Positive culture from ≥2 different expectorated [[sputum]] samples | ||
''OR'' | ''OR'' | ||
* Positive culture from ≥1 bronchial wash or bronchial lavage | * Positive culture from ≥1 [[bronchial wash]] or [[bronchial lavage]] | ||
''OR'' | ''OR'' | ||
* Histopathologic features of mycobacterial infection in transbronchial or lung biopsy ''AND'' positive culture for | * Histopathologic features of mycobacterial infection in transbronchial or lung [[biopsy]] ''AND'' positive culture for ''M. abscessus'' | ||
''OR'' | ''OR'' | ||
* Histopathologic features of mycobacterial infection in transbronchial or lung biopsy ''AND'' positive culture of ≥1 expectorated sputum or bronchial wash samples<ref name="pmid17277290">{{cite journal| author=Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F et al.| title=An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases. | journal=Am J Respir Crit Care Med | year= 2007 | volume= 175 | issue= 4 | pages= 367-416 | pmid=17277290 | doi=10.1164/rccm.200604-571ST | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17277290 }} </ref> | * Histopathologic features of mycobacterial infection in transbronchial or lung [[biopsy]] ''AND'' positive culture of ≥1 expectorated sputum or bronchial wash samples<ref name="pmid17277290">{{cite journal| author=Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F et al.| title=An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases. | journal=Am J Respir Crit Care Med | year= 2007 | volume= 175 | issue= 4 | pages= 367-416 | pmid=17277290 | doi=10.1164/rccm.200604-571ST | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17277290 }} </ref> | ||
==References== | ==References== | ||
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[[Category:Acid fast bacilli]] | [[Category:Acid fast bacilli]] | ||
[[Category:Nontuberculous mycobacteria]] | [[Category:Nontuberculous mycobacteria]] | ||
{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]
Overview
When symptoms suggestive skin and soft tissues infection with mycobacterium abscessus (M. abscessus) are present, the definitive diagnosis requires the isolation of the organism from the infection site or, in severe cases, from a blood culture. The diagnosis of pulmonary M. abscessus infection requires the presence of clinical, radiological and microbiological diagnostic criteria.[1]
Diagnostic Criteria for Skin and Soft Tissues Infection
There is no formal diagnostic criteria for skin and soft tissues M. abscessus infection. Clinically, the disease is characterized by red/purple, warm, tender to the touch, swollen, and/or painful skin. To reach a definitive diagnosis, the organism has to be cultured from the infection site or, in severe cases, from a blood culture.
Diagnostic Criteria for Pulmonary Mycobacterium Abscessus
The diagnosis of pulmonary M. abscessus infection requires the presence of clinical and microbiological criteria.[1]
Clinical Diagnostic Criteria
- Pulmonary symptoms, OR
- Cavitation or nodular opacities on chest X-ray, OR
- Multifocal bronchiectasis with multiple small nodules on high resolution CT scan (HRCT scan)
AND
- Other diagnoses, such as tuberculosis, are ruled out[1]
Microbiological Diagnostic Criteria
- Positive culture from ≥2 different expectorated sputum samples
OR
- Positive culture from ≥1 bronchial wash or bronchial lavage
OR
- Histopathologic features of mycobacterial infection in transbronchial or lung biopsy AND positive culture for M. abscessus
OR
- Histopathologic features of mycobacterial infection in transbronchial or lung biopsy AND positive culture of ≥1 expectorated sputum or bronchial wash samples[1]
References
- ↑ 1.0 1.1 1.2 1.3 Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C, Gordin F; et al. (2007). "An official ATS/IDSA statement: diagnosis, treatment, and prevention of nontuberculous mycobacterial diseases". Am J Respir Crit Care Med. 175 (4): 367–416. doi:10.1164/rccm.200604-571ST. PMID 17277290.