Table 4:

Diagnostic accuracy of surgical classification (Fig 1) of parathyroid adenomas in the 31 patients in our study group

Imaging ModalityA No. (%)B No. (%)C No. (%)D No. (%)E No. (%)Total No. (%)Accuracy (95% CI)
MIBI SPECT54.8 (36.0–72.7)
    A3 (9.7)1 (3.2)0 (0)0 (0)0 (0)4 (12.9)
    B2 (6.5)3 (9.7)0 (0)0 (0)0 (0)5 (16.1)
    C2 (6.5)2 (6.5)3 (9.7)1 (3.2)0 (0)8 (25.8)
    D0 (0)1 (3.2)0 (0)0 (0)0 (0)1 (3.2)
    E2 (6.5)2 (6.5)0 (0)0 (0)8 (25.8)12 (38.7)
    F0 (0)0 (0)0 (0)0 (0)1 (3.2)1 (3.2)
4DCT61.3 (42.2–78.2)
    A7 (22.6)4 (12.9)0 (0)0 (0)0 (0)11 (35.5)
    B1 (3.2)2 (6.5)0 (0)0 (0)0 (0)3 (9.7)
    C0 (0)1 (3.2)3 (9.7)0 (0)0 (0)4 (12.9)
    D0 (0)0 (0)0 (0)1 (3.2)3 (9.7)4 (12.9)
    E1 (3.2)2 (6.5)0 (0)0 (0)6 (19.4)9 (29.0)
    F0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
MIBI SPECT + 4DCT74.2 (55.4–88.1)
    A7 (22.6)3 (9.7)0 (0)0 (0)0 (0)10 (32.3)
    B0 (0)4 (12.9)0 (0)0 (0)0 (0)4 (12.9)
    C0 (0)2 (6.5)3 (9.7)1 (3.2)0 (0)6 (19.4)
    D2 (6.5)0 (0)0 (0)0 (0)0 (0)2 (6.5)
    E0 (0)0 (0)0 (0)0 (0)9 (29)9 (29.0)
    F0 (0)0 (0)0 (0)0 (0)0 (0)0 (0)
    Total9 (29)9 (29)3 (9.7)1 (3.2)9 (29.0)