That reddish discoloration of the urine is due to hemoglobin can be determined by spectroscopic examination and, if it be a result of hemorrhage, red blood-corpuscles will be discoverable microscopically. Hemoglobinuria is currently attributed to toxic influences of varied kind, but the exact mechanism of its production is not known. Hematuria may be secondary to a large number of conditions, some obvious, others obscure, and occasionally it may occur in the absence of any appreciable lesion. An unusual cause for such hemorrhage is described by F. Suter1 under the caption of "Unilateral Hematuria due to Telangiectasis of the Pelvis of the Kidney." He reports the case of a woman, 32 years old, with hereditary predisposition to tuberculosis, whose urine, passed without difficulty, had been turbid and more or less bloody for a year and a half. No attention was given to this abnormality until the general health began to
RENAL HEMATURIA OF TELANGIECTATIC ORIGIN. JAMA. 1902;XXXVIII(20):1310. doi:10.1001/jama.1902.02480200024012
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