loxoscelism


Also found in: Wikipedia.

loxoscelism

 [lok-sos´sĕ-lizm]
a morbid condition resulting from the bite of the spiders Loxosceles reclusa and L. laeta, beginning with a painful inflamed vesicle and progressing to a gangrenous slough of skin that can be fatal. It is more common with the South American spider than with the North American one. See also spider bite.

lox·os·ce·lism

(loks-os'ĕ-lizm),
A clinical illness produced by the brown recluse spider, Loxosceles reclusus, of North America; characterized by gangrenous slough at the site of the bite, nausea, malaise, fever, hemolysis, and thrombocytopenia.

loxoscelism

/lox·os·ce·lism/ (lok-sos´sil-izm) a morbid condition due to the bite of the spiders Loxosceles laeta and L. reclusa, beginning with a painful erythematous vesicle and progressing to a gangrenous slough of the affected area.

lox·os·ce·lism

(lok-sos'ĕ-lizm)
Illness produced by the brown recluse spider, Loxosceles reclusus; characterized by gangrenous slough at the site of the bite, nausea, malaise, fever, hemolysis, and thrombocytopenia.
References in periodicals archive ?
In all of the cases analyzed, a differential diagnosis was performed between EG and Warfarin-induced skin necrosis, cocaine-induced skin necrosis, calciphylaxis, septic emboli, loxoscelism, diabetic microangiopathy, disseminated intravascular coagulation, necrotizing vasculitis, paraneoplastic extensive necrotizing vasculitis, pyoderma gangrenosum, livedoid vasculopathy, necrotizing fasciitis, and necrosis secondary to the use of vasoactive drugs.
intermedia is widespread in human domestic habitats and its bite causes a public health problem known as loxoscelism (Fischer, 1994; Fischer and VasconcellosNeto, 2005a; Marques-da-Silva et al.
All of these are often falsely attributed to loxoscelism (5,7,9,10).
In fact, these critical molecular messengers are involved in the genesis of a constellation of human pathophysiological phenomena: stroke, pericarditis, peritonitis, loxoscelism, meningitis, sepsis, coagulation disorders, myocardial dysfunction, and circulatory collapse (16-19).
There are two types of skin loxoscelism, the necrotic (75%) and edematous (4%) [5].
Because some bites cause systemic loxoscelism, clinicians should be familiar with its manifestations.
Reported treatments for loxoscelism include hyperbaric oxygen, dapsone, antihistamines, antibiotics, dextran, glucocorticosteroids, vasodilators, heparin, nitroglycerin, electric shock, curettage, and surgical excision, but "none of these has been proved effective," Dr.
Progression of loxoscelism also is characterized by the "red, white, and blue sign," with concentric zones of erythema enclosing an area of ischemia, which in turn surrounds a smaller area of bluish impending necrosis, he said.
The pathogenesis of systemic loxoscelism following brown recluse spider bites.
The spiders of the genus Loxosceles are ubiquitously infamous throughout the world because of their ability to occasionally cause significant skin necrosis also known as cutaneous loxoscelism.