Intraosseous migration of tendinous calcifications: cortical erosions, subcortical migration and extensive intramedullary diffusion, a SIMS series

Malghem, Jacques;Omoumi, Patrick;Lecouvet, Frédéric;Vande Berg, Bruno
(2015) Skeletal Radiology : journal of radiology, pathology and orthopedics — Vol. 44, n° 10, p. 1403-1412 (2015)

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Authors
  • Malghem, JacquesUCLouvain
    Author
  • Omoumi, PatrickUCLouvain
    Author
  • Lecouvet, FrédéricUCLouvain
    Author
  • Vande Berg, BrunoUCLouvain
    Author
Abstract
Calcium hydroxyapatite crystal deposition is a common disorder, which sometimes causes acute pain as calcifications dissolve and migrate into adjacent soft tissue. Intraosseous calcium penetration has also been described. We illustrate the appearance of these lesions using a series of 35 cases compiled by members of the French Society of Musculoskeletal Imaging (Société d'Imagerie Musculo-Squelettique, SIMS). The first group in our series (7 cases) involved calcification-related cortical erosions of the humeral and femoral diaphyses, in particular at the pectoralis major and gluteus maximus insertions. A second group (28 cases) involved the presence of calcium material in subcortical areas. The most common site was the greater tubercle of the humerus, accompanying a calcifying tendinopathy of the supraspinatus. In addition, an extensive intramedullary diffusion of calcium deposits was observed in four of these cases, associated with cortical erosion in one case and subcortical lesions in three cases. Cortical erosions and intraosseous migration of calcifications associated with calcific tendinitis may be confused with neoplasm or infection. It is important to recognize atypical presentations of hydroxyapatite deposition to avoid unnecessary investigation or surgery.
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Malghem, J., Omoumi, P., Lecouvet, F., & Vande Berg, B. (2015). Intraosseous migration of tendinous calcifications: cortical erosions, subcortical migration and extensive intramedullary diffusion, a SIMS series. Skeletal Radiology : journal of radiology, pathology and orthopedics, 44(10), 1403-1412. https://doi.org/10.1007/s00256-015-2165-x (Original work published 2015)