Atypical rapid progression of osteoarticular amyloidosis involving the hip in a patient on hemodialysis using polyacrylonitrile membranes.
Amyloidosis related to dialysis is a well-known complication affecting many organ systems, in particular the musculoskeletal system. In 1985 Shirahama et al. (Biochem Biophys Res Commun 53:705-709, 1985) identified beta-2 microglobulin (MG) as the offending constituent by using protein purification techniques. Amyloidosis has been increasing in prevalence because of longer life spans and increased chronic medical conditions such as end-stage renal disease. When dialysis-related amyloidosis involves the musculoskeletal system, it affects the shoulder girdle, the so called shoulder pad sign, the wrist, hip, knee, and spine (Resnick, Diagnosis of bone and joint disorders, 4th edn., pp. 2054-2058 and 2176-2183, 2002). Other osteoarticular manifestations of amyloidosis include osteoporosis, lytic lesions, and pathologic fractures. It has been well documented that the prevalence of amyloid is dependent on duration of dialysis-over 90% in patients on dialysis for over 7 years (Jadoul, Nephrol Dial Transplant 13:61-64, 1998). However, a recent changeover to high-flux membranes used in hemofiltration has been reported to delay its onset (Campistol et al., Contrib Nephrol 125:76-85, 1999). We report on the radiographic, nuclear medicine, and computed tomography (CT) findings of osteoarticular amyloidosis involving the hip, and sequence its atypical rapid onset. The imaging, histopathological findings, and differential diagnosis are discussed.
Lee
Kenneth S
KS
Department of Radiology, University of Wisconsin Hospital and Clinics, University of Wisconsin School of Medicine and Public Health, 600 Highland Avenue CSC E3/311, Madison, WI 53792-3252, USA. klee2@uwhealth.org
van Holsbeeck
Marnix T
MT
Abbud
Alexander
A
D000180:Acrylic Resins; D000368:Aged; D000686:Amyloidosis / Q000150:complications / Q000503:physiopathology*; D001847:Bone Diseases / Q000150:complications / Q000503:physiopathology*; D003937:Diagnosis, Differential; D003956:Dialysis; D050723:Fractures, Bone / Q000000981:diagnostic imaging; D025981:Hip Injuries / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008567:Membranes, Artificial; D011859:Radiography; D006435:Renal Dialysis; D014463:Ultrasonography
D000180:Acrylic Resins; D008567:Membranes, Artificial; C010504:polyacrylonitrile
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