2013
DOI: 10.5546/aap.2013.e24
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Necrólisis epidérmica tóxica asociada a infección aguda por Mycoplasma pneumoniae

Abstract: Presentación de casos clínicos RESUMENEl eritema multiforme, el síndrome de Stevens-Johnson y la necrólisis epidérmica tóxica representan diferentes manifestaciones de un mismo espectro de graves reacciones cutáneas idiosincrásicas a fármacos y, en menor medida, están asociados a agentes infecciosos. De estos últimos, Mycoplasma pneumoniae es uno de los más frecuentes. Se presenta el caso de una niña de 5 años, con una necrólisis epidérmica tóxica asociada a infección aguda por Mycoplasma pneumoniae, que comen… Show more

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Cited by 7 publications
(1 citation statement)
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“…M. pneumoniae also exerts its toxin-like effects through its metabolites, exotoxin and exotoxin-like toxic substances, lipids, lipopolysaccharides and membrane lipoprotein (28). Following the adherence of M. pneumoniae onto the surface of bronchial cells, with the cytoskeleton rearrangement, M. pneumoniae penetrates through the bronchial mucous membranes and releases nuclease and H2O2, which result in swelling, necrosis and a binding of bronchial epithelial cells, slower microvilli movement, structural deformation, and the termination of swinging, thereby inducing the infiltration of lymphocytes, plasma cells and monocytes (22,29). With the lack of superoxide dismutase and catalase in M. pneumoniae , the H2O2 and superoxide groups synthesized by M. pneumoniae , and the endogenous toxic oxygen molecules produced by the host cells, increase the intracellular oxygen pressure in the epithelium, which leads to oxidative stress and subsequent cell death (Fig.…”
Section: Direct Damage Mechanismsmentioning
confidence: 99%
“…M. pneumoniae also exerts its toxin-like effects through its metabolites, exotoxin and exotoxin-like toxic substances, lipids, lipopolysaccharides and membrane lipoprotein (28). Following the adherence of M. pneumoniae onto the surface of bronchial cells, with the cytoskeleton rearrangement, M. pneumoniae penetrates through the bronchial mucous membranes and releases nuclease and H2O2, which result in swelling, necrosis and a binding of bronchial epithelial cells, slower microvilli movement, structural deformation, and the termination of swinging, thereby inducing the infiltration of lymphocytes, plasma cells and monocytes (22,29). With the lack of superoxide dismutase and catalase in M. pneumoniae , the H2O2 and superoxide groups synthesized by M. pneumoniae , and the endogenous toxic oxygen molecules produced by the host cells, increase the intracellular oxygen pressure in the epithelium, which leads to oxidative stress and subsequent cell death (Fig.…”
Section: Direct Damage Mechanismsmentioning
confidence: 99%