1962
DOI: 10.1590/s0004-282x1962000200008
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Miopatia vacuolar do lupus eritematoso

Abstract: Entre as moléstias do colágeno são incluídas as polimiosites que, em muitas ocasiões, se associam a colagenoses generalizadas, como sucede no lúpus eritematoso, na dermatomiosite, na poliarterite nodosa, na artrite reumatóide e na esclerodermia. O quadro clínico dessas polimiosites é variável; em geral ocorre distribuição proximal pseudomiopática. Glaser 5 é de opinião que todas as afecções acima referidas são variantes de uma única desordem básica do tecido conjuntivo, numa escala na qual a poliomiosite sem s… Show more

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Cited by 6 publications
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“…LB Lipid body, PM -plasmic mem brane, G = glycogen, b Thiery's staining demonstrating glycogen located either freely or enclosed by a membrane in a dense body. 1961; Pearson, 1964;E ngel, 1966], hypokalaemia [Coërs et al, 1971] and chloroquine intoxication [G arcin et al, 1964;Itabashi and Kökmen, 1972], More striking are the reports of diffuse vacuolar degen eration in disseminated lupus erythematosus [Pearson and Y amazaki, 1958;Levy, 1962;L ang et al, 1965;Merw in , 1965], As they do not include any ultrastructural study, they raise some doubts about the causes of vacuolar formation among patients suspected of collagen diseases treat ed by antimalarial drugs and/or corticoids. Itabashi and Kökmen [1972] have recently emphasized the deposition PAS-positive granules within muscle fibres which they consider as characteristic of chloroquine toxici-ty ('granulovacuolar' degeneration).…”
Section: Discussionmentioning
confidence: 99%
“…LB Lipid body, PM -plasmic mem brane, G = glycogen, b Thiery's staining demonstrating glycogen located either freely or enclosed by a membrane in a dense body. 1961; Pearson, 1964;E ngel, 1966], hypokalaemia [Coërs et al, 1971] and chloroquine intoxication [G arcin et al, 1964;Itabashi and Kökmen, 1972], More striking are the reports of diffuse vacuolar degen eration in disseminated lupus erythematosus [Pearson and Y amazaki, 1958;Levy, 1962;L ang et al, 1965;Merw in , 1965], As they do not include any ultrastructural study, they raise some doubts about the causes of vacuolar formation among patients suspected of collagen diseases treat ed by antimalarial drugs and/or corticoids. Itabashi and Kökmen [1972] have recently emphasized the deposition PAS-positive granules within muscle fibres which they consider as characteristic of chloroquine toxici-ty ('granulovacuolar' degeneration).…”
Section: Discussionmentioning
confidence: 99%
“…Vacuolation of muscle is also said to occur in systemic lupus erythematosus (Pearson and Yamazaki, 1958;Levy, 1962;Lang, Smith, and Green, 1965), in familial periodic paralysis (Adams, 1964), in dermatomyositis (Pearson and Rose, 1960), in carcinoma, rheumatoid arthritis, and during steroid therapy (Adams, Denny-Brown, and Pearson, 1962), in trauma (Garcin et al, 1964), and in some forms of glycogen storage disease (Adams, 1964). Unfortunately Pearson and Yamazaki (1958) and Levy (1962) did not mention whether their patients had received chloroquine when they described the vacuolar myopathy of systemic lupus. The patient described by Lang et al (1965) as having a vacuolar myopathy due to systemic lupus erythematosus had received chloroquine for four and a half years before the myopathy was diagnosed.…”
mentioning
confidence: 99%