Table 2.

Questions on the main areas of DECT use

	Questions	Answers options	% of answers
Q1	In which diagnostic area do you routinely use DECT?	Neuroradiology	18.5
		Musculoskeletal/rheumatic diseases	20.70
		Traumatic emergency	22.20
		Non-traumatic emergency	34.80
		CT angiography	45.20
		Oncologic diseases	70.40
Q2	In which non-traumatic emergency scenario do you use DECT?	I don’t perform urgency CT	17
		Acute abdomen	17
		Thoracic/abdominal hemorrhage	20
		Acute vascular pathology	25.90
		Intestinal ischemia	27.40
		Renal litiasis	53.30
		Pulmonary embolism	68.10
Q3	What musculoskeletal condition do you use DECT for?	I don’t do MSK imaging	36
		Extra-rachideal traumatism	8.90
		Metabolic diseases	8.90
		Infectious diseases	8.90
		Degenerative diseases	9.60
		Spinal traumatism	13.30
		Rheumatologic diseases	17.80
		Traumatic diseases	20
		Post-surgical (to reduce beam hardening)	39.30
		To analyze bone marrow edema	40.70
Q4	What clinical problems do you use DECT for?	To reduce beam hardening artifacts	60
		To reduce the amount of contrast media	60
		To characterize material/spectral analysis (lithiasis, edema, etc.)	64.40
		To improve contrast resolution	65.90
Q5	For which oncologic diseases do you use DECT?	I don’t do oncologic imaging	18.50
		Hematologic diseases	16.30
		Head–neck diseases	29.60
		Breast neoplasms	33.30
		Thoracic neoplasms	36.30
		Abdominal neoplasms	65.20
Q6	For which central nervous system diseases do you use DECT?	I don’t do CNS imaging	65
		Head injury: diagnosis	4.40
		Head injury: control	7.40
		Neuro-Oncology	14.10
		Ischemic ictus (control)	14.80
		Cerebral hemorrhage	15.60
		Ischemic ictus (diagnosis)	19.37