HighlightsMelorheostosis of the elbow associated with elbow stiffness is extremely rare.In the standard radiology or orthopedics literature Melorheostosis (from the Greek: melos = limb, rheos = flow) is described monotonously as a “flowing hyperostosis” resembling dripping candle wax.Patients with this condition may have joint pain, stiffness, deformity, and restricted range of motion due to bony and soft-tissue contracture. Involvement usually follows a sclerotomal distribution and usually affects only one extremity.There is no standard treatment for melorheostosis, and management plans must be made on an individual patient basis. The aims of treatment are pain relief and maintaining function.Some Surgical treatment for this condition includes tendon lengthening, excision of fibrous and osseous tissue, fasciotomy, capsulotomy, sympathectomy, corrective osteotomy, Ilizarov lengthening, arthrodesis, implant arthroplasty, and even amputation of severely affected limbs with vascular ischemia.In this study we found that debridement arthroplasty is safe and effective in treating elbow stiffness associated with Melorheostosis.