Erythrasma laboratory findings: Difference between revisions
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*An [[epidermal]] swab of the affected region may provide samples of the pathogenic ''[[Corynebacterium|Corynebacterium minitissimum]]''.<ref name="pmid12010076">{{cite journal |vauthors=Holdiness MR |title=Management of cutaneous erythrasma |journal=Drugs |volume=62 |issue=8 |pages=1131–41 |year=2002 |pmid=12010076 |doi= |url=}}</ref> | *An [[epidermal]] swab of the affected region may provide samples of the pathogenic ''[[Corynebacterium|Corynebacterium minitissimum]]''.<ref name="pmid12010076">{{cite journal |vauthors=Holdiness MR |title=Management of cutaneous erythrasma |journal=Drugs |volume=62 |issue=8 |pages=1131–41 |year=2002 |pmid=12010076 |doi= |url=}}</ref> | ||
**''[[Corynebacterium|Corynebacterium minitissimum]]'' will present as non-[[hemolytic]] smooth colonies that are 1-1.5mm in size.<ref name="pmid15310342">{{cite journal |vauthors=Karakatsanis G, Vakirlis E, Kastoridou C, Devliotou-Panagiotidou D |title=Coexistence of pityriasis versicolor and erythrasma |journal=Mycoses |volume=47 |issue=7 |pages=343–5 |year=2004 |pmid=15310342 |doi=10.1111/j.1439-0507.2004.00997.x |url=}}</ref> | **''[[Corynebacterium|Corynebacterium minitissimum]]'' will present as non-[[hemolytic]] smooth colonies that are 1-1.5mm in size.<ref name="pmid15310342">{{cite journal |vauthors=Karakatsanis G, Vakirlis E, Kastoridou C, Devliotou-Panagiotidou D |title=Coexistence of pityriasis versicolor and erythrasma |journal=Mycoses |volume=47 |issue=7 |pages=343–5 |year=2004 |pmid=15310342 |doi=10.1111/j.1439-0507.2004.00997.x |url=}}</ref> | ||
*Due to the 2-3 week incubation requirements and the low sensitivity, culture analysis is not effective as a sole diagnostic measure.<ref name="pmid25477907">{{cite journal |vauthors=Sariguzel FM, Koc AN, Yagmur G, Berk E |title=Interdigital foot infections: Corynebacterium minutissimum and agents of superficial mycoses |journal=Braz. J. Microbiol. |volume=45 |issue=3 |pages=781–4 |year=2014 |pmid=25477907 |pmc=4204958 |doi= |url=}}</ref> | |||
===Gram staining=== | ===Gram staining=== |
Revision as of 17:27, 7 October 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.
Overview
Laboratory Findings
Culture
- An epidermal swab of the affected region may provide samples of the pathogenic Corynebacterium minitissimum.[1]
- Corynebacterium minitissimum will present as non-hemolytic smooth colonies that are 1-1.5mm in size.[2]
- Due to the 2-3 week incubation requirements and the low sensitivity, culture analysis is not effective as a sole diagnostic measure.[3]
Gram staining
- Gram stain analysis of Corynebacterium minitissimum, a gram-positive will reveal the following:[4]
- Violet or blue coloration due to gram-positive rods reacting with the gram-stain
- Slightly curved bacterial rods[5]
References
- ↑ Holdiness MR (2002). "Management of cutaneous erythrasma". Drugs. 62 (8): 1131–41. PMID 12010076.
- ↑ Karakatsanis G, Vakirlis E, Kastoridou C, Devliotou-Panagiotidou D (2004). "Coexistence of pityriasis versicolor and erythrasma". Mycoses. 47 (7): 343–5. doi:10.1111/j.1439-0507.2004.00997.x. PMID 15310342.
- ↑ Sariguzel FM, Koc AN, Yagmur G, Berk E (2014). "Interdigital foot infections: Corynebacterium minutissimum and agents of superficial mycoses". Braz. J. Microbiol. 45 (3): 781–4. PMC 4204958. PMID 25477907.
- ↑ Granok, Alexander B.; Benjamin, Patti; Garrett, Lee S. (2002). "Corynebacterium minutissimumBacteremia in an Immunocompetent Host with Cellulitis". Clinical Infectious Diseases. 35 (4): e40–e42. doi:10.1086/341981. ISSN 1058-4838.
- ↑ Shin JY, Lee WK, Seo YH, Park YS (2014). "Postoperative Abdominal Infection Caused by Corynebacterium minutissimum". Infect Chemother. 46 (4): 261–3. doi:10.3947/ic.2014.46.4.261. PMC 4285009. PMID 25566407.