Table 3 Detection of peritumoral pseudocapsule in each pathological subtype on contrast enhanced CT.

From: Detection of a peritumoral pseudocapsule in patients with renal cell carcinoma undergoing robot-assisted partial nephrectomy using enhanced MDCT

 

Clear cell (n = 166)

Chromophobe (n = 16)

Papillary (n = 14)

Sensitivity

86.9% (133/153)

57.1% (4/7)

38.5% (5/13)

Specificity

61.5% (8/13)

66.7% (6/9)

100% (1/1)

PPV

96.4% (133/138)

57.1% (4/7)

100% (5/5)

NPV

28.6% (8/28)

66.7% (6/9)

11.1% (1/9)

  1. PPV positive predictive value, NPV negative predictive value.