Intended for healthcare professionals

Preliminary Communications

Urography in Myelomatosis

Br Med J 1969; 1 doi: (Published 22 February 1969) Cite this as: Br Med J 1969;1:486
  1. M. T. Cwynarski,
  2. H. M. Saxton


    To investigate whether urographic contrast media might precipitate Bence Jones protein in the renal tubules and lead to renal failure in patients with myelomatosis, the reaction between the media and myeloma urine was studied in vitro. Appreciable precipitation was found only in urine at or below pH 4·5, and its occurrence did not correlate with the type or concentration of protein present. It is concluded that the risk of urography in myelomatosis is very small.

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