Table 2.

Imaging and biological characteristics of the patients

Patient ID	68Ga-DOTATOC PET/CT			CMR imaging	hs troponine I values (n >25 ng/L)	Other investigations	Classification bonaca et al
	Uptake pattern	Highest ratio SUVpeak_M/SUVmean_IC *	Days from symptom onset and PET/CT
Patient 1	ND	ND	ND	Intramyocardial lesions, edema and pericarditis	ND	TTE =no alteration of LV function/ECG=no kinetic alterations/hs troponin T=229 ng/L (n <14 ng/L)/creatinin kinase=140 CK U/L (N 25–190) U/L	Definite
Patient 2	ND	ND	ND	Minimal subepicardial lesions, no edema	18.8	TTE=no alteration of LV function/ECG=no kinetic alteration/troponin T=387 ng/L/CK=178 U/L	Definite
Patient 3	Heterogenous	2.2	7	Absence of edema or intramyocardial scars of inflammatory type	88.7	TTE=ND/ECG=AVB I and LAHB/troponin T=1231 ng/L/CK=6249 U/L	Possible
Patient 4	Patchy diffuse	2.3	3	ND	981.9	TTE=no alteration of LV function/ECG=new AVB/troponin T=1045 ng/L (<14) /CK=2234 U/L (<190)	Possible
Patient 5	Patchy diffuse	3.1	4	ND	169.9	TTE=no alteration of LV function or kinetics/ECG=new intermittent high-grade AVB/troponin T=2389 ng/L/CK=524 U/L	Possible
Patient 6	Patchy diffuse	4.4	10 †	Absence of edema or intramyocardial scars of inflammatory type.	1604.7	TTE=no alteration of LV function or kinetics/ECG=diffuse alterations of the repolarization with submillimetre undershift and flattened T wave/troponin T=1281 ng/L/CK=4752 U/L	Possible
Patient 7	Patchy diffuse	2.9	3	Absence of edema or intramyocardial scars of inflammatory type	212.6	TTE=no alteration of LV function or kinetics/ECG=sinusal rythm, no modification/troponin T=936 ng/L/CK=844 U/L	Possible
Patient 8	Patchy diffuse	3.3	5	Late-gadolinium enhancement (patchy pattern) and edema	5896.1	TTE=no alteration of LV function or kinetics/ECG=new bundle branch block/troponin T=966 ng/L/CK=127 U/L	Definite
Patient 9	Heterogenous	2.4	3	Absence of edema or intramyocardial scars of inflammatory type	20.5	TTE=NF/ECG=sinusal rythm/troponin T=1210 ng/L/CK=280 U/L	Possible
Patient 10	Heterogenous	3.5	1 †	Absence of edema or intramyocardial scars of inflammatory type	28	TTE=no alteration of LV function or kinetics, minimal pericardial effusion/ECG=sinusal rythm/troponin T=40 ng/L/CK=235 U/L	Possible
Patient 11	Heterogenous	4.4	13	ND	110	TTE=low LV function (18%) and alterations of segmental kinetics/ECG=sinusal rythm/troponin T=150 ng/L/CK=40 U/L	Probable

Troponin I normal values <26 ng/L; troponin T normal values <14 ng/L; CK normal values <190 ng/L.

*MBR_peak: SUV_{peak_M} to left ventricular intracavitary background SUV_mean ratio.

†Two patients had immunosuppressive treatment initiated on the same day as the PET/CT.

AVB, atrioventricular block; CK, creatine kinase; 68Ga-DOTATOC, ⁶⁸Ga-DOTA(0)-Phe(1)-Tyr(3)-octreotide; hs, high-sensitivity; LAHB, left anterior hemiblock; LV, left ventricle; MBR_peak, myocardium-to-background ratio of myocardium SUVpeak to LV intracavitary SUVmean; ND, not done; NF, not found; PET, positron emission tomography; SUV_{peak_M}, myocardial SUV_peak; TTE, transthoracic echocardiogram.