CT - Lungeemboli + abdomen

Indikation	Obs lungeemboli Infektion, divertikulit, ukendt primærtumor, mm.

Anatomisk region		1. serie: Lungeapex til diaphragma 2. serie: Diaphragma til trochanter minor.
Forberedelse		eGFR max 7 dage gammel.
PO- kontrast		Ingen
IV- kontrast		Protokoller m. i.v.-kontrast Iomeron 350 mgI/ml
Lejring		Rygleje med armene over hovedet
Centrering		Over skulderen / 0-stil under trochanter minor.
Bemærkninger

Topogram

mA	35
kV	120
Længde	512
Rørposition	Siemens: Bottom / Phillips: Frontal
Retning	Siemens: Craniocaudal / Phillips: Out
Autotask	Siemens: Auto / Phillips: Local, Pacs

Bolus Tracking

Locator	Under carina
Tracker	Arteria pulmonalis
Monitorerings-delay	4 s
Treshhold	Siemens: 120 HU / Philips: 120 HU
Diagnostisk Delay	1. serie Siemens: 4 s / Phillips: 5 s 2. serie Siemens: 45 s / Phillips: 45 s

Aorta ny præmonitoreringssnit

Timed

Delay

1. Akvisition

Bemærkninger/ Lokale forhold

	SIEMENS Definition Flash		PHILIPS Ingenuity
Care Dose 4D	On	DoseRight	On
Care kV	Semi	Z-modulation	On
Quality ref. mAs	200	3D-modulation	On
Ref. kV	100	DoseRightIndex	17
kV	100	kV	100
Eff. mAs	Off	mAs	150
Dose saving optimized for	9	Cerebrum/ Lever boost	Off
Kollimering	128 x 0,6	Kollimering	64 x 0,625
Slice	0,6 mm	Slice	0,625
Rotationstid	0.28 s	Rotationstid	0,4 s
Pitch	0,6	Pitch	0,8

Rekonstruktioner

1. Rekonstruktion
	SIEMENS Definition Flash	PHILIPS Ingenuity
Snittykkelse	2 mm	2 mm
Inkrement	2 mm	2 mm
Recon Region Auto Location	Thorax - Lung	Chest
SAFIRE/ iDose	3	3
Algoritme Kernel/filter	I30f Medium smooth	Standard (B)
Autotasking	Pacs	Local, Pacs
W / L	Emboli 420 / 60	420 / 60
2. Rekonstruktion til 3D
	SIEMENS Definition Flash	PHILIPS Ingenuity
Snittykkelse	0,75 mm	0,8 mm
Inkrement	0,6 mm	0,65 mm
Recon Region Auto Location	Thorax - Lung	Chest
SAFIRE/ iDose	3	3
Algoritme Kernel/filter	I30f medium smooth	Smooth A
Autotasking	Pacs	Local, Pacs
W / L	Emboli 420 / 60	420 / 60
3. Rekonstruktion Coronal / Sagittal
	SIEMENS Definition Flash	PHILIPS Ingenuity
Snittykkelse	2 mm	2 mm
Inkrement	2 mm	2 mm
Recon Region Auto Location	Thorax - Lung	Chest
SAFIRE/ iDose	3	3
Algoritme Kernel/filter	I30f medium smooth	Standard(B)
Autotasking	Pacs	Local, Pacs
W / L	Emboli 420 / 60	360 / 60

2.Akvisition

Bemærkninger/ Lokale forhold

	SIEMENS Definition Flash		PHILIPS Ingenuity
Care Dose 4D	On	DoseRight	On
Care kV	Semi	Z-modulation	On
Quality ref. mAs	150	3D-modulation	On
Ref. kV	120	DoseRightIndex	18
kV	120	kV	120
Eff. mAs	Off	mAs	101
Dose saving optimized for	7	Cerebrum/ lever boost	2
Kollimering	128 x 0,6	Kollimering	64 x 0,625
Slice	0,6 mm	Slice	0,625
Rotationstid	0,5 s	Rotationstid	0,4
Pitch	0,9	Pitch	1,0

Rekonstruktioner

1. Rekonstruktion
	SIEMENS Definition Flash	PHILIPS Ingenuity
Snittykkelse	2 mm	2 mm
Inkrement	2 mm	2 mm
Recon Region Auto Location	Diaphragma - Ischium	Abdomen
SAFIRE/ iDose	3	3
Algoritme Kernel/filter	I31f medium smooth	Standard (B)
Autotasking	Pacs	Local, Pacs
W / L	Abdomen 300 / 40	360 / 60
2. Rekonstruktion Coronal/Sagittal
	SIEMENS Definition Flash	PHILIPS Ingenuity
Snittykkelse	2 mm	2 mm
Inkrement	2 mm	2 mm
Recon Region Auto Location	Diaphragma - Ischium	Abdomen
SAFIRE/ iDose	3	3
Algoritme Kernel/filter	I31f medium smooth	Standard (B)
Autotasking	Pacs	Local, Pacs
W / L	Abdomen 300 / 40	360 / 60

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