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A web-based CT dose calculator

DescriptionDescription

Procedure of dose calculation in WAZA-ARI system

  1. Measure CT source of each model

    WAZA-ARI development group measured CT source of each model.
  2. Make CT Source data for calculation

    WAZA-ARI development group make CT source data for Monte Carlo calculation.
  3. Calculate organ dose

    WAZA-ARI development group calculated organ dose of CT slices using Monte Carlo code PHITS and voxel phantoms.
  4. Implement database in WAZA-ARI system

    WAZA-ARI development group implemented organ dose database of CT models in WAZA-ARI system.
  5. Calculate organ dose at exposure condition

    User inputs exposure condition (model, tube voltage, tube current, beam width, scan range, etc.) and click "calculate dose" button. Organ dose, effective dose and CTDI will be shown in results area.
  6. Register result

    User registers calculation result as your facility's data.
  7. Statistical evaluation

    User can statistically evaluate exposure dose of CT scans in your facility.

Selectable CT model and exposure condition


  Filter Tube voltage [kV]
GE LightSpeed 16 Large, Small 80, 100,120
GE LightSpeed RT Large, Small 80, 100,120
GE LightSpeed Ultra Large, Small 80, 100, 120
GE LightSpeed VCT Large, Medium, Small 80, 120
GE BrightSpeed Elite Large, Medium 80, 100, 120, 140
GE Discovery CT750HD Large, Medium, Small 80, 100, 120, 140
GE Revolution HD Large, Medium, Small 80, 100, 120, 140
GE OptimaCT660 Large, Small 80, 100, 120, 140
GE Revoluiton EVO Large, Small 80, 100, 120, 140
GE Revoluiton CT Large, Medium, Small 120
Siemens Sensation 16 Standard 80, 120
Siemens Sensation 64 Standard 80, 100, 120
Siemens Emotion 6 Standard 80, 110, 130
Siemens Emotion 16 Standard 80, 110, 130
Siemens Perspective Standard 80, 110, 130
Siemens Scope Standard 80, 110, 130
Siemens Definition Flash Standard, Wide 80, 100, 120, 140
Siemens Definition Edge Standard 70, 80, 100, 120, 140
Siemens Definition AS Standard 70, 80, 100, 120, 140
Siemens Definition AS+ Standard 70, 80, 100, 120, 140
Siemens Force Standard 70, 80, 90, 100, 110, 120, 130, 140, 150
Canon Aquilion 16 Large, Small 80, 100, 120, 135
Canon Aquilion 64 Large, Small 80, 100, 120, 135
Canon Aquilion CXL Large, Small 80, 100, 120, 135
Canon Alexion Medium 80, 100, 120, 135
Canon Alexion Access Edition Medium 80, 100, 120, 135
Canon Aquilion Prime Beyond Edition Large, Medium, Small 80, 100, 120, 135
Canon Aquilion Prime Focus Edition Large, Medium, Small 80, 100, 120, 135
Canon Aquilion ONE ViSION Editon Large, Medium, Small 80, 100, 120, 135
Canon Aquilion ONE GENESIS Edition Large, Medium 80, 100, 120, 135
Canon Aquilion ONE NATURE Edition Large, Medium 80, 100, 120, 135
Canon Aquilion Presition Large1, Large2, Small1 80, 100, 120,140
Hitachi Eclos 4 Normal 100, 120
Hitachi Eclos 8 Normal 100, 120
Hitachi Eclos 16 Normal 100, 120
Hitachi Scenaria Normal, Small 80, 100, 120, 140
Hitachi Scenaria EX Edition Normal, Small 80, 100, 120, 140
Hitachi Supria Normal 80, 100, 120, 140
Hitachi Supria Advance Normal 80, 100, 120, 140
Hitachi Supria Grande Normal 80, 100, 120, 140
Hitachi Supria Grande Advance Normal 80, 100, 120, 140
Hitachi Supria Grande Premium Normal 80, 100, 120, 140
Philips Brilliance 64 Large 80, 120
Philips Brilliance iCT Large, Small 80, 120
Philips Ingenuity Large 80, 120
Philips IQon Spectral CT Standard 100, 120
As of April 1, 2019.
* Only single cube condition.
** "Wide filter" in Definition Flash is suitable for head exposure.

Selectable phantom

In WAZA-ARI v2, usrs can select the following phantoms for dose calculation.
The adult phantoms were built assuming average Japanese standard body type[1]. And the phantoms developed in the University of Florida were used as child phantom[2,3].

[1] K. Sato, et al. "Japanese adult male voxel phantom consructed on the basis of CT images", Radiat. Prot. Dosim. Vol. 123, No. 3, 337-344, 2007.
[2] C. Lee, , D. Lodwick, and W. Bolch, gHybrid computational phantoms of the male and female newborn patient: NURBS-based whole-body modelsh, Phys. Med. Biol. 52, 3309-3333, 2007.
[3] C. Lee, D. Lodwick, J. Hurtado, D. Pafundi, J. Williams, and W. Bolch, gThe UF family of reference hybrid phantoms for computational radiation dosimetryh, Phys. Med. Biol. 55, 339-363, 2010.

WAZA-ARI v2 user manual

WAZA-ARI v2 UserManual (Japanese only yet)


Sample CSV file for uploading

Users can calculate organ dose for a lot of exposure conditions at one time when users select "Calculation of dose with data in a csv file" in menu window.
The following files are sample CSV file and Excel file for making CSV file.

Sample CSV file

Sample Excel file for makeing CSV file


CONTACT WAZA-ARI v2

WAZA-ARI Development Group
E-mail:


Privacy PolicyWAZA-ARI v2

Privacy Policy

User Manual

(Japanes Only yet)WAZA-ARI v2

WAZA-ARI v2 UserManual