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Klebsiella pneumoniae Necrotizing Fasciitis Associated With Lung Abscess

Dalal, Aman MD*; Ahluwalia, Maneesha MD*; Urban, Carl PhD*†

Infectious Diseases in Clinical Practice:
doi: 10.1097/IPC.0b013e3181730804
Case Reports
Abstract

Necrotizing fasciitis is a rare, rapidly progressive, and life-threatening infectious process primarily involving the fascia. It is perhaps the most aggressive form of soft tissue infection. Klebsiella pneumoniae is a nonmotile, rod-shaped, gram-negative bacterium with a prominent polysaccharide capsule and is a common cause of gram-negative bacteremias. Monomicrobial necrotizing fasciitis caused by K. pneumoniae is rare with only 12 documented cases in the literature, 10 cases from Asia and 1 each from Turkey and USA. These reports have become more frequent in recent years in association with the emergence of the highly virulent K1 capsular serotype K. pneumoniae. Majority of the cases occurring in Asia were associated with liver abscesses and eye involvement in diabetic patients. We report a case of K. pneumoniae necrotizing fasciitis associated with lung abscess in a nondiabetic patient. To our knowledge, K. pneumoniae monomicrobial necrotizing fasciitis associated with lung abscess has not been described previously. This is only the second case report of K. pneumoniae necrotizing fasciitis from USA.

Author Information

From the *Division of Infectious Diseases, New York Hospital Queens, Flushing, NY; and †Department of Microbiology, Weill Cornell Medical College, New York, NY.

Reprints: Aman Dalal, MD, New York Hospital Queens, 56-45 Main Street, Flushing, NY 11355. E-mail: amandalal@hotmail.com.

© 2009 Lippincott Williams & Wilkins, Inc.