Clinical Study

Value of Fused 18F-Choline-PET/MRI to Evaluate Prostate Cancer Relapse in Patients Showing Biochemical Recurrence after EBRT: Preliminary Results

Table 3

Lesion-based analysis and sensitivity in lesion detection according to different sites of recurrence/metastases (i.e., local recurrence, lymph nodes, and bone) obtained by mMRI, 18F-Choline PET/MRI, CeCT, and 18F-Choline PET/CT.

mMRI 18F-Choline-PET/MRICeCT 18F-Choline-PET/CT

Prostate gland
 Sensitivity6/6 (100%)6/6 (100%)1/6 (17%)4/6 (67%)
 Specificity14/15 (93%)15/15 (100%)15/15 (100%)15/15 (100%)
 Accuracy20/21 (95%)21/21 (100%)16/21 (76%)19/21 (90%)
Lymph nodes
 Sensitivity27/40 (67%)40/40 (100%)23/40 (57%)40/40 (100%)
 Specificity15/15 (100%)15/15 (100%)15/15 (100%)15/15 (100%)
 Accuracy42/55 (76%)55/55 (100%)38/55 (69%)55/55 (100%)
Bone
 Sensitivity14/14 (100%)14/14 (100%)6/14 (43%)13/14 (93%)
 Specificity11/12 (92%)11/12 (92%)12/12 (100%)11/12 (92%)
 Accuracy25/26 (96%)25/26 (96%)18/26 (69%)25/26 (96%)