Melorheostosis: A Retrospective Clinical Analysis of 24 Patients at the Mayo Clinic.

PM R 2017 Mar 30;9(3):283-288. Epub 2016 Jul 30.

Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN(‖‖).

Background: Current understanding of the clinical features of persons with melorheostosis is restricted primarily to individual case reports and small case series.

Objective: To assess the clinical features of patients with melorheostosis treated at our institution from 1972 through 2010.

Design: Chart review.

Setting: Tertiary academic medical center.

Participants: Twenty-three patients with "definite" and one patient with "probable" melorheostosis based on radiographic criteria.

Methods: The eligible study cohort was identified through the Rochester Medical Index database. Further diagnostic confirmation of patients with melorheostosis was performed by radiographic review.

Main Outcome Measurements: We evaluated age at first visit to our institution, gender, affected body area, number of bones affected, presenting symptoms, surgical evaluation, and therapies provided.

Results: The average age at first evaluation at our clinic was 36.5 years (median 41.5 years, range 3-68 years). The female to male ratio was 4:1. The lower extremity was most commonly affected (66.6%), followed by upper extremity (33.3%), spine (16.6%), and head (8.3%). One-third of patients had involvement of a single bone; two-thirds had multiple bone involvement. Pain was the most common presenting concern (83.3%), followed by deformity (54.1%), limitation of movement (45.8%), numbness (37.5%), and weakness (25.0%). Most patients had a physician evaluation (87.5%); patients also underwent orthopedic surgery (45.8%), physical therapy (33.3%), and occupational therapy (12.5%).

Conclusions: Melorheostosis is a rare sclerotic bone disease resulting in pain, deformity, and dysfunction. An interdisciplinary approach to care should include nonoperative and operative evaluation, as well as appropriate therapies. A prospective approach to evaluation, including imaging and physical examinations, would provide valuable longitudinal data.

Level Of Evidence: IV.

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http://dx.doi.org/10.1016/j.pmrj.2016.07.530DOI Listing
March 2017
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Melorheostosis: A review of 23 cases
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Eur Radiol 2001
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