Giant cellulitis-like Sweet syndrome: An underrecognized clinical variant mimicking skin and soft tissue infection

Hayato Mitaka, Rita Jammal, Joseph Saabiye, Stanley Yancovitz, David C. Perlman

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A new clinical variant of Sweet syndrome, called giant cellulitis-like Sweet syndrome, can masquerade as cellulitis because the patients present with an acute onset of large erythematous plaques, fever, and leukocytosis with neutrophil predominance. This case describes a 90-year-old female with a history of invasive ductal carcinoma of the breast who presented with 3 days of erythema of the right chest and right leg. Physical examination was notable for well-demarcated, blanching erythematous rashes involving the right chest and right lower extremity. Laboratory data was notable for neutrophilic leukocytosis. A clinical diagnosis of cellulitis was made initially, and intravenous cefazolin was initiated. The rash had only partially improved with antibiotics. Skin biopsy revealed a dense neutrophilic infiltrate, which was consistent with Sweet syndrome. Based on the widespread plaques, this case was considered a “giant cellulitis-like” variant of Sweet syndrome. Clinicians should have a high index of suspicion for Sweet syndrome when assessing a patient with fever, neutrophilia and erythematous skin plaques atypical of cellulitis because this condition does not respond to antimicrobial therapy and requires systemic glucocorticoid therapy.

Original languageEnglish
Article numbere00874
JournalIDCases
Volume21
DOIs
StatePublished - 2020

Keywords

  • Acute febrile neutrophilic dermatosis
  • Cellulitis
  • Erysipelas
  • Giant cellulitis-like sweet syndrome
  • Skin and soft tissue infection

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