Problem: a failed totally hip arthroplasty may be caused by mechanically assisted crevice corrosion or macc.This occurs at the metal/metal modular junction in a total hip arthroplasty and has serious consequences such as adverse local tissue reaction (altr) in patients with metal-on-polyethylene total hip replacement.This patient had characteristics of macc.This clinical complication is extremely concerning because of both the high volume of hip replacements worldwide as well as the extensive soft tissue damage that can occur with severe reactions.Left total hip replacement.Patient: (b)(4).Acct $: (b)(6).Diagnosis: djd hip.Lot # 61417334m edi: (b)(4), ref (b)(4), trilogy acetabular system, shell with cluster holes; lot 61436662, edi: 00625006525, bone screw self-tapping; lot 61342519, edi: (b)(4), ref: (b)(4), trilogy acetabular system, liner, standard.
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