40 year old male with a history of recurrent pneumonia, mostly on the left side CXR from 14 years ago shows an ovoid retro cardiac soft tissue density abutting the diaphragm in the left lower lobe Ashley Davidoff TheCommonVein.net 40 year old male with a history of recurrent pneumonia, mostly on the left side CXR from 14 years ago shows an ovoid retro cardiac soft tissue density abutting the diaphragm in the left lower lobe Ashley Davidoff TheCommonVein.net 40 year old male with a history of recurrent pneumonia, mostly on the left side Scout films of the CT scan shows similar ovoid retro cardiac soft tissue density abutting the diaphragm in the left lower lobe Ashley Davidoff TheCommonVein.net Inferior Accessory Fissure Axial CT scan through the lower chest shows 2 fissures in the left lung. The normal oblique fissure is seen anteriorly and the accessory fissure posteriorly. Ashley Davidoff TheCommonVein.net 40M-seq CT scan shows similar ovoid retro cardiac soft tissue density, dominant in the left lower lung zone with arterial supply from the aorta. The sequestration crosses the midline revealing a smaller dense infiltrate surrounded by what appears to be an acute or subacute inflammatory process. In addition to the accessory fissure noted posterior to the sequestration on the left, there is an accessory fissure on the right as well Ashley Davidoff TheCommonVein.net CT scan shows similar ovoid retro cardiac soft tissue density, dominant in the left lower lung zone with arterial supply from the aorta. The sequestration crosses the midline revealing a smaller dense infiltrate surrounded by what appears to be an acute or subacute inflammatory process with air bronchograms. In addition to the accessory fissure noted posterior to the sequestration on the left, there is an accessory fissure on the right as well Ashley Davidoff TheCommonVein.net The left sided sequestration is in intimate contact with the diaphragm Ashley Davidoff TheCommonVein.net
Inferior Accessory Fissure Left Lung CT scan in axial projection through the lower chest shows the inferior accessory fissure (yellow arrowheads). Ashley Davidoff TheCommonVein.net 40M-seq Inferior Accessory Fissure Sagittal CT scan through the left chest shows 2 fissures in the left lung. The normal oblique fissure is seen superiorly and the accessory fissure inferiorly. Ashley Davidoff TheCommonVein.net 40M-seq
CT scan shows similar ovoid retro cardiac soft tissue density, dominant in the left lower lung zone with arterial supply from the aorta. The sequestration crosses the midline revealing a smaller dense infiltrate Ashley Davidoff TheCommonVein.net CT scan shows similar ovoid retro cardiac soft tissue density, dominant in the left lower lung zone with arterial supply from the aorta. The sequestration crosses the midline revealing a smaller dense infiltrate with what appears to be arterial supply from the aorta as well Ashley Davidoff TheCommonVein.net CT scan shows similar ovoid retro cardiac soft tissue density, dominant in the left lower lung zone with arterial supply from the aorta. The sequestration with dystrophic calcifications crosses the midline revealing a smaller dense infiltrate with air bronchograms Ashley Davidoff TheCommonVein.net
