renal TB

• "putty kidney": caseous necrosis with calcium deposition
  • Cf: medullary nephrocalcinosis
  • renal calcification

• hematogenous origin
• clinically unilateral in 75%

• findings:
  • papillary necrosis
  • infundibular stenosis
  • "autonephrectomy"

  • CXR abnormal in 50%

© 2002, C.E. Kahn, Jr.
2002-04-18