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Papers of the Week

2020 Apr 23

Rheumatol Int

Osteitis condensans ilii: current knowledge and diagnostic approach.


Parperis K, Psarelis S, Nikiphorou E
Rheumatol Int. 2020 Apr 23.
PMID: 32328707.


Osteitis condensans ilii is a noninflammatory condition of an uncertain etiology, characterized by sclerotic bone lesions located mainly in the iliac region of the sacroiliac joints. In many patients, osteitis condensans ilii remains an incidental imaging finding; however, it has been associated with lower back pain and may mimic inflammatory rheumatic conditions such as axial spondyloarthritis. The diagnosis is based on the presence of the characteristic sclerotic lesions on radiographs and the exclusion of other conditions that are associated with back pain. Management is usually conservative with the use of physical therapy and analgesics, and it is associated with a favorable prognosis. Herein, we conducted a narrative literature review using the terms osteitis condensans ilii, and we identified case reports, case series, reviews, and original studies associated with the condition. The aim of this article is to raise the awareness of this underrecognized clinicoradiological condition and to enable the health-care providers to recognize clinical and radiological features that should raise suspicion of the osteitis condensans illi, and to describe the treatment options.