2009
DOI: 10.1002/mus.21353
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Dermatomyositis‐like muscle pathology in patients with chronic graft‐versus‐host disease

Abstract: Myositis is a rare complication of chronic graft-versus-host disease (cGVHD) following hematopoietic stem cell transplantation (HSCT). Almost all such patients have been reported to have polymyositis (PM). We describe clinical, pathologic, and molecular studies of 3 patients with cGVHD following allogeneic HSCT who developed myopathy. In each case, perifascicular atrophy, the pathognomonic histologic feature of dermatomyositis (DM), was observed.

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Cited by 19 publications
(25 citation statements)
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“…Laboratory associations with IMPP pathology include serum anti-tRNA synthetase antibodies, especially Jo-1 [21], and selectively elevated aldolase with normal creatine kinase [14]. Similar perimysial pathology occurs in graft-versus-host disease [14,22], fasciitis [21,23] and some toxic myopathies, but not in hereditary myopathies.…”
Section: Immune Myopathies With Perimysial Pathologymentioning
confidence: 96%
“…Laboratory associations with IMPP pathology include serum anti-tRNA synthetase antibodies, especially Jo-1 [21], and selectively elevated aldolase with normal creatine kinase [14]. Similar perimysial pathology occurs in graft-versus-host disease [14,22], fasciitis [21,23] and some toxic myopathies, but not in hereditary myopathies.…”
Section: Immune Myopathies With Perimysial Pathologymentioning
confidence: 96%
“…The changes in skeletal muscle range from mild perimysial lymphocytic infiltrates to extensive endomysial inflammation with necrosis and regeneration of fibers. Clinical presentations and pathologic changes resembling both polymyositis and dermatomyositis have been reported [145, 146]. …”
Section: Histological Criteria For the Diagnosis Of Gvhdmentioning
confidence: 99%
“…In PM, with cGVHD, there is fiber size variability, and there are scattered necrotic and regenerating fibers. Endomysial inflammatory infiltrates are mostly CD8+ T‐cells and macrophages . Reports of cGVHD‐associated PM and DM are limited and controversial.…”
Section: Polymyositis and Dermatomyositismentioning
confidence: 99%