A

Figure 10 (A) SSD in a patient with one right and two left renal arteries. There is a nonostial stenosis of the lower of the left renal arteries (arrow). (B) Corresponding MIP image; note that the relative densities of the different structures are maintained here, whereas they are lost on the SSD. Abbreviations: SSD, surface-shaded display; MIP, maximum intensity projection. Source: Courtesy of Joe Brookes, The Middlesex Hospital, London.

Figure 10 (A) SSD in a patient with one right and two left renal arteries. There is a nonostial stenosis of the lower of the left renal arteries (arrow). (B) Corresponding MIP image; note that the relative densities of the different structures are maintained here, whereas they are lost on the SSD. Abbreviations: SSD, surface-shaded display; MIP, maximum intensity projection. Source: Courtesy of Joe Brookes, The Middlesex Hospital, London.

Table 8 Performance of CT in the Detection of RAS

Study

Number of patients

Definition of significant stenosis (%)

Sensitivity (%)

Specificity (%)

Ref. 76

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