Radiology Tutor

by Jonathan Colledge
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BTS nodule follow up guidelines - algorithm 2

Only for solid nodules < 8 mm in diameter or 300 mm 3 or for nodules with < 10% risk of malignancy according to Brock model.
Scroll down for the recommendation after the follow up scan.

First scan recommendation:

What is the nodule volume (mm 3 )?:

What is the nodule diameter (mm):

Recommendation =  

Follow up recommendation:

Insert the date in the following format: March 31, 2013

Date of 1st study:

Date of 2nd study:

Fill in either the diameter or volume measurements (not both). Use the diameter measurements if you do not have access to volume measurements.

Diameter at 1st study (mm):

Diameter at 2nd study (mm):

Volume at 1st study (mm 3 ):

Volume at 2nd study (mm 3 ):

Days between studies =

Volume doubling time (days) =

Recommendation =

Warning: consider implications if volume doubling time >400 days and ≤600 days, where biospy may be appropriate rather than further CT. Additional warnings =

References

  1. Baldwin, D. R. & Callister, M. E. The British Thoracic Society guidelines on the investigation and management of pulmonary nodules. Thorax thoraxjnl–2015–207221 (2015). doi:10.1136/thoraxjnl-2015-207221

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