Postoperative pyoderma gangrenosum (PG): the Mayo Clinic experience of 20 years from 1994 through 2014

Stanislav N Tolkachjov1, Aodhnait S Fahy2, David A Wetter1

  • 1Department of Dermatology, Mayo Clinic, Rochester, Minnesota.

Abstract

Insights

Postoperative pyoderma gangrenosum (PG) is a rare surgical complication. This study highlights its occurrence in females, particularly after breast and abdominal surgeries, emphasizing early recognition to prevent misdiagnosis and further harm.

Area of Science:

  • Dermatology
  • Surgical Complications
  • Wound Healing

Background:

  • Postoperative pyoderma gangrenosum (PG) is a neutrophilic dermatosis presenting as PG-type lesions at surgical sites.
  • Characterizing postoperative PG is crucial for timely diagnosis and appropriate management.

Purpose of the Study:

  • To define postoperative PG as a distinct subtype.
  • To facilitate earlier recognition and prevent incorrect therapies.

Main Methods:

  • Retrospective chart review of patients with nonperistomal postoperative PG.
  • Data collected from Mayo Clinic between 1994 and 2014.

Main Results:

  • Eighteen patients identified (average age 58, 83% female).
  • Common sites: breast (38%) and abdomen (38%), often post-reconstruction.
  • Average symptom onset: 11 days; 44% had anemia, 27% leukocytosis.

Conclusions:

  • Postoperative PG is rare, predominantly affecting females on the breast/abdomen.
  • Less associated with systemic disease than idiopathic PG.
  • Early detection can prevent unnecessary debridement and reduce morbidity.

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