Anterolateral rotatory instability of the elbow: a possible etiology of primary osteoarthritis.

ABSTRACT:

Background

The purpose of this study is to describe anterolateral rotatory instability (ALRI) as a possible etiology of primary osteoarthritis (OA) of the elbow.

Methods

We examined 76 fresh frozen cadaveric elbows (male:female, 56:20; mean age, 81 years) for patterns of cartilage erosion that could be due to ALRI. These included erosions on the lateral trochlear ridge (LTR) lesion, crescent rim of the radial head (RC) lesion or the ventral capitellum (VC) lesion. The extent and location of the lesions were mapped by image processing of photographs of the humeral and radial articular surfaces, and the degeneration of the articular surface was graded.

Results

Ten of 76 specimens (13%) had one or more lesions consistent with ALRI. LTR lesions were most common and were s

SUBMITTER: Kim YB 

PROVIDER: S-EPMC11615464 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature