Sweet's syndrome involoving the musculoskeletal system during treatment of promyelocytic leukemia with all-trans retinoic acid
Christ, E.; Linka, A.; Jacky, E.; Speich, R.; Marincek, B.; Schaffner, A.
Leukemia 10(4): 731-734
1996
ISSN/ISBN: 0887-6924 PMID: 8618455 Document Number: 1237
Induction therapy of promyelocytic leukemia with all-trans retinoic acid is a standard therapy despite significant side-effects. The most important, the 'retinoic acid syndrome', consists of a hyperinflammatory reaction with capillary leakage (edema, pleural and pericardial effusion), infiltration of myeloid cells into internal organs and systemic signs of inflammation. We describe here two cases of another hyperinflammatory reaction during all-trans retinoic acid therapy, the Sweet's syndrome, consisting of infiltrates of the skin and internal organs by neutrophilic granulocytes. Fever, painful erythematous cutaneous plaques, prominent musculoskeletal involvement (myositis, fasciitis), a sterile pulmonary infiltration and intercurrent proteinuria characterized the clinical course of all-trans retinoic acid-associated Sweet's syndrome. Treatment with glucocorticoids led to resolution of the syndrome within 48 h. Three other cases of all-trans retinoic acid-associated Sweet's syndrome without involvement of internal organs, prominent in our cases, were published previously. Recognition of ATRA-associated Sweet's syndrome is of practical importance.
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