Ecthyma Gangrenosum

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Contents 1 Etiology 2 Epidemiology 3 Clinical-manifestations 4 More General Terms 5 Additional Terms 6 References

Etiology

• Pseudomonas aeruginosa
• other gram-negative rods
• fungi

Epidemiology

• generally affects neutropenic patients
• occurs in up to 28% of patients with Pseudomonas bacteremia

Clinical-manifestations

• indurated plaque evolving into hemorrhagic bulla or pustule that sloughs, resulting in eschar formation
• erythematous halo
• most common in axillary, groin, perianal regions
• signs of sepsis

More General Terms

• bacterial infection
• mycosis; fungal infection
• skin disease (dermatologic disorder, dermatopathy, dermatosis)

Additional Terms

• eschar
• Pseudomonas aeruginosa
• pyoderma gangrenosum

References

1. Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 499
2. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 94

ecthyma gangrenosum