TABLE 1

Patient Characteristics and Indications for ¹⁸F-FDG PET

Characteristic	Value
Age (y)	55.13 ± 9.84
Sex
Female	29
Male	42
Indication for initial PET scan (n = 71)
To investigate for CS as diagnosis in patients with specific cardiac presentations (and no previous history of sarcoid) (n = 37)	37
In patient age < 60 y with new onset advance conduction system disease	24
In patient with idiopathic Ventricular tachycardia	11
In patients with both	2
Result of initial PET
PET suggestion of active CS (and patient-met Japanese Ministry of Health and Welfare criteria)	23/37
No PET suggestion of active CS	14/37
To investigate for CS disease in patients with biopsy-proven extracardiac sarcoidosis (n = 34)	34
Result of initial PET
PET suggestion of active CS (and patient-met Japanese Ministry of Health and Welfare criteria)	11/34
No PET suggestion of active CS	23/34
Total	71