eschar

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Related to eschars: RPOX

eschar

 [es´kahr]
1. a slough produced by a thermal burn or a corrosive application, or by gangrene.

es·char

(es'kar),
A thick, coagulated crust or slough which develops following a thermal burn or chemical or physical cauterization of the skin.
[G. eschara, a fireplace, a scab caused by burning]

eschar

/es·char/ (es´kahr)
1. a slough produced by a thermal burn, by a corrosive application, or by gangrene.

eschar

(ĕs′kär′)
n.
A dry scab or slough formed on the skin as a result of a burn or by the action of a corrosive or caustic substance.

eschar

[es′kär]
Etymology: Gk, eschara, scab
a scab or dry crust that results from trauma, such as a thermal or chemical burn, infection, or excoriating skin disease. escharotic, adj.

es·char

(es'kahr)
A thick, coagulated crust or slough that develops following a thermal burn or chemical or physical cauterization of the skin.
[G. eschara, a fireplace, a scab caused by burning]
Enlarge picture
ESCHAR

eschar

(es'kar?) [Gr. eschara, hearth, brazier, burning coal, burn, scab]
Dead matter that is cast off from the surface of the skin, esp. after a burn. The tissue is hard, black or brown, and leathery in texture.
See: illustration; escharotic

eschar

An area of dead, separated tissue (SLOUGH) produced by skin damage by a caustic substance or a burn.

Eschar

A hard crust or scab. In scrub typhus, an eschar forms over the initial sore from the chigger bite.

eschar

crust or coagulum formed in response to topical thermal/chemical cautery (e.g. caustic application)

eschar

a deep cutaneous slough such as that produced by a thermal burn, a corrosive action, a decubitus ulcer, a saddle gall or setfast.
References in periodicals archive ?
Swabbing an eschar is a rapid and simple technique that can be easily performed without risk for the side effects associated with biopsy sampling.
The use of molecular tools or cell culture on a skin biopsy specimen from an eschar is the best method of identifying Rickettsia spp.
Although our number of patients was very small, this sign, associated with the eschar on the scalps of patients 1 and 2, is what led clinicians to further investigate which species of Rickettsia was involved in these infections.
In addition, evidence is mounting that eschars can be tested for rickettsial DNA from the point of signs and symptoms all the through the convalescent phase.
However, for the case-patients reported here, the most common clinical signs and symptoms were fever and skin eschar, similar to those from previously reported case series; 5 of the case-patients reported here showed regional lymph node enlargement, 4 rash, and 3 lymphangitis.
To demonstrate the usefulness of skin lesion swabs for detection of rickettsial infection, we used this technique with eschars from patients with suspected rickettsioses.
A painless eschar developed at the bite site 6 days after the tick was removed.
For rickettsial diseases, in 2006, the diagnosis of 1 case of scrub typhus was based on PCR results of the patient's eschar (13).
He had fever (38[degrees]C), painful axillary lymphadenopathies, and an inoculation eschar surrounded by an inflammatory halo on the left scapular area (online Appendix Figure, www.
Biopsies were performed on eschars 1 and 2 (5-8 mm diameter) with erythema ?
Although our patients did not have eschars, we diagnosed the infection as R.
Reliable diagnosis requires PCR or culture of biopsy specimens from eschars, when present (15).