Two cases showing correlation between fissure integrity and collateral ventilation

 12
SexMM
Age6577
Basal FVC1.69 (37.5%)1.85 (71%)
Basal FEV10.64 (18,5%)0.79 (39%)
Treatment date11 Jan 122 Feb 12
Heterogeneity gradient*9.6 (homogeneous)23.5 (heterogeneous)
Integrity score (right oblique fissure)100%36%
Collateral ventilationNoYes
StrategyRLL exclusionRUL exclusion + adjacent segment
  • *Difference between lobes in % area with parenchymal density < -950HU.