Primary amyloidosis of the renal pelvis.

AMYLOID deposits restricted in distribution to the renal pelves have seldom been described in the literature.1 2 3 4 Recently, we encountered a patient with this unusual condition. The case is presented here to call attention to a distinctive and perhaps unique radiographic finding in primary amyloidosis of the renal pelvis: linear submucosal calcification outlining the pelvocalyceal system of the kidney. Case Report A 39-year-old man was admitted to the hospital in March, 1969, for evaluation of progressive and undiagnosed renal disease of 2 years' duration. Complete physical examination and urinalysis had been within normal limits 4 years previously. In February, 1967, he . . .