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Canadian Journal of Infectious Diseases
Volume 9, Issue 2, Pages 115-121
Case Study

Frontal Osteomyelitis (Pott’s Puffy Tumour) Associated with Pasteurella multocida – A Case Report and Review of the Literature

Robert Skomro and Karen L McClean

Division of Infectious Diseases and Department of Medicine, Royal University Hospital, Saskatoon, Saskatchewan, Canada

Received 6 February 1997; Accepted 1 May 1997

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A 58-year-old woman presented with progressive midforehead swelling and erythema with frontal headache. Investigations revealed erosion of the anterior wall of the frontal sinus with subgaleal abscess formation, establishing a diagnosis of Pott’s puffy tumour. Pasteurella multocida was isolated in pure growth from an aspirate of the abscess. P multocida is a rare cause of sinusitis. It is isolated from the respiratory tract of asymptomatic individuals and, more commonly, patients with chronic respiratory conditions. Although a cause of osteomyelitis associated with animal bites or scratches, P multocida has not previously been implicated as a cause of frontal osteomyelitis or Pott’s puffy tumour. A review of reported cases of Pott’s puffy tumour, including clinical presentation, microbiology, treatment and outcome, is provided.