eschar


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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

(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.

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.
References in periodicals archive ?
The presence of an eschar is though, highly suggestive of scrub typhus but is reported to occur in a variable proportion of patients in various studies.
A characteristic rope-like lymphangitis from the eschar to the draining lymph node is evident in one third of patients (1).
The best sample to use for detection of spotted fever group rickettsiae is skin biopsied from the inoculation eschar (9).
The dorsal head eschar was gently removed with tissue forceps, revealing healthy pink granulation tissue (Fig 2) and exposed cranium cancellous bone.
The clinical data of this series showed the classical scrub typhus manifestation: fever, generalized maculopapular rash, and eschar at the inoculation site.
(13) Varghese et al., has reported the incidence of gender rate was 96 cases in males 116 cases in females, the mean age group was 45.6 [+ or -] 14.8 and observed eschar in 55%(86) of cases.
After 72 h, no erythema, eschar, or edema was observed in the abraded and intact skin of the treatment sites of any animals.
The classic case description includes an eschar where the chigger has fed, regional lymphadenopathy and a maculopapular rash, signs that are seldom seen in indigenous patients.
The appearance of a black eschar over the tender ulcerated lesion at the site of inoculation, which is a more specific diagnostic finding, may take 7-10 days to appear [7].
To speed the diagnosis, he said that looking for the clinical clues characteristic of the suspected form of typhus, such as the scrub typhus-associated eschar, "is valuable." However, he also emphasized that even with positive serology results, "good epidemiology and history is helpful for laboratory interpretation."
The increasing acceptance of electrosurgical devices is mainly due to the advancements in electrosurgical devices that facilitate the reduction of earlier problems faced by traditional electrosurgical products such as collateral damage to tissues, eschar (dead tissues) formation and also limit sticking of tissues.
She noticed small rash over her right shoulder a few days after first episode of fever which gradually took the shape of cigarette burn eschar. She gave history of regular visit to jungle for cutting wood and grazing cattle.