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J Rheum Dis.  2016 Feb;23(1):66-70. 10.4078/jrd.2016.23.1.66.

Nontuberculous Mycobacterium Arthritis and Spondylitis in a Patient with Lupus

Affiliations
  • 1Division of Rheumatology, Department of Internal Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea. bettyboomboo@hanmail.net
  • 2Department of Radiology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
  • 3Division of Infection Disease, Department of Internal Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
  • 4Department of Orthopedic Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.

Abstract

Approximately 90% of nontuberculous mycobacterium (NTM) infections involve the pulmonary system; NTM infections involving areas of the musculoskeletal system such as the joints or spine are uncommon. This report describes a case of refractory knee swelling in a patient with systemic lupus erythematosus (SLE). Indolent arthritis of the knee eventually progressed to spondylitis and a paraspinal abscess requiring surgical incision and drainage. The cause of the infectious arthritis and spondylitis was diagnosed as NTM infection, specifically Mycobacterium kansasii. This case emphasizes the importance of a high index of clinical suspicion for mycobacterial infection, as well as repeated attempts to isolate the organism, in patients with SLE who present with atypical chronic arthritis.

Keyword

Nontuberculous mycobacteria; Systemic lupus erythematosus

MeSH Terms

Abscess
Arthritis*
Arthritis, Infectious
Drainage
Humans
Joints
Knee
Lupus Erythematosus, Systemic
Musculoskeletal System
Mycobacterium kansasii
Nontuberculous Mycobacteria*
Spine
Spondylitis*
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