2015 Summer Project Week:PAA Ratio

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Key Investigators

Jorge Onieva, Raúl San Jose (Brigham and Women's Hospital)

Project Description

Slicer module that allows the radiologists to measure easily the ratio between the Pulmonary Arterial and the Aorta. This biomarker has been proved to predict acute exacerbations of COPD (Wells, J. M., Washko, G. R., Han, M. K., Abbas, N., Nath, H., Mamary, a. J., Dransfield, M. T. (2012). Pulmonary Arterial Enlargement and Acute Exacerbations of COPD. New England Journal of Medicine, 367(10), 913-921).
For more information refer to: http://www.nejm.org/doi/full/10.1056/NEJMoa1203830


  • Provide the radiologists community with a tool to measure quickly an important biomarker in COPD

Approach, Plan

  • Adapt the management of customized rulers to the specific requirements.
  • Provide with a more automated-basis measurement.


  • V1 totally completed
  • Added a general widget to persist data of the module that could be reused in any Slicer module