Abstract
BackgroundDysplasia epiphysealis hemimelica (DEH), also known as Trevor’s disease, is a rare skeletal developmental disorder affecting the epiphyses in pediatric patients. DEH is characterized by an asymmetric osteochondral overgrowth arising from either the medial or lateral portion of an epiphysis and usually occurs in the joints of lower limbs, most commonly in the knees and ankles. However, bilateral involvement in an adult is extremely rare, and total knee arthroplasty (TKA) for a patient with DEH has been reported only once before.Case presentationHere, we present a case of bilateral DEH of the knees that caused varus deformity and dysfunction of the lower limbs in a 50-year-old man. TKA was performed for treatment, and the patient had satisfactory function with no angular knee deformity and a normal range of motion after 1 year of follow-up.ConclusionsThe patient in this case exhibited its specific clinical and radiological features of late-term DEH and TKA was proved to be an appropriate procedure for treating the severe deformity caused by this rare disease.
Highlights
Dysplasia epiphysealis hemimelica (DEH), known as Trevor’s disease, is a rare skeletal developmental disorder affecting the epiphyses in pediatric patients
The patient in this case exhibited its specific clinical and radiological features of late-term DEH and total knee arthroplasty (TKA) was proved to be an appropriate procedure for treating the severe deformity caused by this rare disease
Background known as Trevor’s disease, Dysplasia epiphysealis hemimelica (DEH) is a rare developmental bone dysplasia characterized by excessive growth of cartilage lesions that affect one or more than one long bones, usually in pediatric patients
Summary
The patient in this case exhibited its specific clinical and radiological features of late-term DEH and TKA was proved to be an appropriate procedure for treating the severe deformity caused by this rare disease.
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