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[Assessment of kidney function with 99mTc-pyrophosphate during the scintigraphy of the joints in rheumatoid arthritis
Abstract:
Diagnostic potentialities of investigation of the kidneys using 99mTc-pyrophosphate were studied in 34 patients with rheumatoid arthritis (RA) for articular scintigraphy. The results obtained were compared with those of radionuclide renography with 131I-hippuran and excretory urography. A possibility of investigation of the kidneys with 99mTc-pyrophosphate for the assessment of parenchyma function and kidney urodynamics was shown. Taking into account a high prevalence of nephropathy in RA patients, dynamic renal scintigraphy and clearance registration were recommended at the first stage of articular scintigraphy with 99mTc-pyrophosphate in order to obtain information on the anatomotopographic site and accumulation-evacuatory function of the kidneys.
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