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  • noun

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a dry scab formed on the skin following a burn or cauterization of the skin

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References in periodicals archive ?
Acceptability of swab or biopsy samples from tick-bite eschars, Oran Teaching Hospital, Oran, Algeria, July 2009-October 2010 Answer, no.
Patient 1, a 73-year-old man in France, had fever, rash, lymphadenopathies, and an axillary inoculation eschar in February 2011.
The more frequent clinical findings reported are nonspecific and include fever, asthenia, headache, maculopapular rash, and inoculation eschar.
The eschar revealed Gram-negative rods and on culture revealed Pseudomonas growth.
A tache noire--a small, painless black eschar with a halo of erythema--often develops at the site of inoculation, but up to 50% of cases lack this lesion.
1) Five to 7 days later, the affected area becomes necrotic and eschar forms.
Because of the location of the eschars, it was not possible to obtain biopsy specimens from them.
The classic clinical triad of fever, eschar and rash occurs in 50-75% of cases of TBF; a number of other conditions may need to be considered in less typical presentations.
Physical examination showed a single inoculation eschar surrounded by an erythematous halo on the scalps of all 3 patients; 1 patient later had alopecia develop at the tick bite site (Table; Figure 1).
parkeri infection among persons seeking care with tick bite eschars or who have received a clinical diagnosis of rickettsial illness.
Our results indicate that PCR of eschar samples is the most useful diagnostic procedure for this pathogen; samples from all 6 case-patients had positive results, while test results for 1 whole blood sample and 2 lymph node samples were negative.
To evaluate the potential usefulness of swabs of skin lesions for rickettsial diagnosis, we evaluated this procedure for eschars from 6 guinea pigs and 9 patients.
The occurrence of eschars in Rocky Mountain spotted fever.
Multiple eschars were not identified on any patient.
Moreover, on the basis of molecular methods, we recently identified that the scalp eschars from 2 patients who were bitten by a tick contained B.