Clinical Image Gallery...Time (s) Dose Reduction CTDIvol (mGy) DLP (mGy·cm) Effective Dose (mSv) k Helical 1 mm x 16 0.938 120 SUREExposure 3D 0.5 AIDR 3D Standard 5.7 243.3 3.65

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Clinical Image GalleryVolume 1

2 3

Clinical Image Gallery

Table of Contents

WARNING: Any reference to x-ray exposure, intravenous contrast dosage, and other

medication is intended as a reference guideline only. The guidelines in this document

do not substitute for the judgment of a healthcare provider. Each scan requires medical

judgment by the healthcare provider about exposing the patient to ionizing radiation.

Use the As Low As Reasonably Achievable radiation dose principle to balance factors such

as the patient’s condition, size and age; region to be imaged; and diagnostic task.

Brain Tumor ──────────── P4

Brain Subtraction ────────── P5

Fractured Nasal Bone ──────── P6

Lung Contusion ─────────── P7

Lung Tumor ──────────── P8-9

Liver Cyst and Pleural Effusion ───── P10-11

Giant Liver Hemangioma ─────── P12-13

Polycystic Liver Disease ─────── P14

Liver Tumor ──────────── P15

Diffuse Idiopathic Skeletal Hyperostosis ─ P16

Wrist Fracture ─────────── P17

Ankle Fracture ─────────── P18

Foot Fracture ──────────── P19


4 5

A metastatic tumor is seen in the cerebellum in this postcontrast scan of the head. The MPR views

demonstrate the surrounding edema.

Brain Tumor

ScanMode

Collimation Pitch kVp mAsRotation Time (s)

DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)

Effective Dose (mSv)

k

Helical 0.5 mm x 16 0.687 120 140 1AIDR 3DStandard

52.1 737.9 1.55 0.0021

An aneurysm clip is demonstrated in the distal carotid artery. A small aneurysm is seen proximal to the clip.SURESubtraction

TM

software provides pixel-perfect subtraction of the bone and the aneurysm clip. 3D analysis

software allows multiobject manipulation between the two volumes acquired with a dose of less than 1 mSv.

Brain Subtraction

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k

Helical 0.5 mm x 16 0.938 120 75 0.5AIDR 3DStandard

8.8 137.1 0.29 0.0021


14.7 228.5 0.48 0.0021


6 7

Extensive pulmonary contusion is demonstrated bilaterally in this CT scan of the chest. A pleural

effusion is also seen in the left lung.

Lung Contusion

A fracture of the nose following a fall is demonstrated in these 3D images of a 22-year-old woman. The use

of a 0.5 mm slice thickness permits these small bones to be visualized in exquisite detail.

Fractured Nasal Bone

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


21.3 341.3 0.72 0.0021

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k

Helical 1 mm x 16 1.437 120 SUREExposureTM 3D 0.5AIDR 3DStandard

6.8 256.6 3.6 0.014


8 9

A tumor is demonstrated in the right lower lobe in this 83-year-old woman. An old fracture

of the T12 vertebra is also seen in the sagittal image acquired with bone settings. Multiple

reconstructions can be generated from the original isotropic dataset, eliminating the need to

rescan the patient.

Lung Tumor

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k

Helical 1 mm x 16 0.938 120 50 0.5AIDR 3DStandard

6.6 407.6 5.91 0.0145


10 11

Scan of the chest and abdomen, status post oesophageal surgery. A pleural effusion is seen in

the right lung and a simple cyst is observed in the liver.

Liver Cyst and Pleural Effusion

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k

Helical 1 mm x 16 0.938 120 SUREExposure 3D 0.5AIDR 3DStandard

7.1 419.6 6.1 0.0145


12 13

A giant hemangioma is seen in the right lobe of the liver in this scan of the upper abdomen in the

portal venous phase. Enlarged vessels and necrosis are observed in the tumor.

Giant Liver Hemangioma

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


6.0 168.3 2.52 0.015


14 15

This postcontrast scan of the upper abdomen demonstrates multiple simple cysts throughout the entire liver.

Polycystic Liver Disease

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


5.7 243.3 3.65 0.015

A tumor is seen in this arterial-phase scan of the liver. Ascites is also observed adjacent to the liver.

Liver Tumor

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


15.6 340.4 5.1 0.015


16 17

Fractures of the distal radius and ulna are demonstrated in this scan of the wrist and hand. The

0.5 mm slice thickness provides excellent detail of the positions of the fracture fragments despite

the overlying fi berglass cast.

Wrist Fracture

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


2.8 74.8 0.06 0.0008

Extensive calcifi cation of the spinal ligaments is demonstrated in this scan of the thoracic spine.

Diffuse Idiopathic Skeletal Hyperostosis

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


23.2 691.2 9.6 0.014


18 19

Comminuted fractures of the distal tibia and fi bula are seen in this scan of the ankle. External fi xation devices

are shown in the 3D image.

Ankle Fracture

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


16 264.7 0.21 0.0008

An undisplaced fracture of the fi fth metatarsal is seen in this scan of the foot and ankle.

Foot Fracture

ScanMode


DoseReduction

CTDIvol (mGy)

DLP (mGy·cm)


k


8.0 137.7 0.11 0.0008

Documents

Clinical Image Gallery...Time (s) Dose Reduction CTDIvol (mGy) DLP (mGy·cm) Effective Dose (mSv) k Helical 1 mm x 16 0.938 120 SUREExposure 3D 0.5 AIDR 3D Standard 5.7 243.3 3.65