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Pyoderma gangrenosum--a postoperative "pseudo-infection".

A G Iosifescu¹, C I Boiangiu, C M Comănescu

¹Cardiac Surgery Unit no. 2, "Prof. Dr. C.C. Iliescu" Emergency Institute for Cardiovascular Disease, Bucharest, Romania. iosifescuag@yahoo.com

Chirurgia (Bucharest, Romania : 1990)

|April 7, 2012

Summary

Pyoderma gangrenosum, a rare skin condition, can mimic surgical site infections. Early recognition and corticosteroid treatment are crucial for healing, not antibiotics.

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Area of Science:

Dermatology
Immunology
Surgery

Background:

Pyoderma gangrenosum is a neutrophilic dermatosis characterized by ulcerative skin necrosis.
Pathergy, a key feature, means the condition can be triggered or worsened by trauma, including surgery.
It is often misdiagnosed as a postoperative wound infection due to similar clinical presentations.

Observation:

A case of pyoderma gangrenosum following coronary artery bypass surgery is presented.
The patient developed characteristic skin lesions, high fever, and inflammatory markers post-operatively.
Initial treatments for presumed wound sepsis were ineffective.

Findings:

The diagnosis of pyoderma gangrenosum was confirmed after ruling out infection.
Prompt treatment with corticosteroids (Prednisone 80 mg/d) resulted in rapid clinical improvement.
Complete healing of the ulcerative lesions was achieved within seven weeks.

Implications:

This case highlights the importance of considering pyoderma gangrenosum in postoperative patients with non-healing, worsening wounds.
Differentiating pyoderma gangrenosum from surgical site infections is critical for appropriate management.
Corticosteroids are effective in treating pyoderma gangrenosum, whereas antibiotics are not indicated.