PMC3551529_01
(a) Axial CT image shows the non-azygos accessory fissure in the right upper lobe (arrows), (b) Contrast-enhanced axial CT scan shows the normal location of the azygos vein.
JCIS-2-79-g002.jpg
PMC3551529_01_JCIS-2-79-g002.jpg
F1
The accessory fissure was between the apical and anterior segments of the right upper lobe [Figures 1 and 2]. The contrast-enhanced CT scan showed normal location and course of the azygos vein [Figure 1].
(a) Axial, (b) Coronal reformatted and (c) Sagittal reformatted images show the non-azygos accessory fissure in the right upper lobe (arrows), between the apical and anterior segments. Right pleural effusion is seen extending into the posterior portion of the major fissure in the sagittal reformatted image.
JCIS-2-79-g003.jpg
PMC3551529_01_JCIS-2-79-g003.jpg
F2
The accessory fissure was between the apical and anterior segments of the right upper lobe [Figures 1 and 2].
(a) Axial, (b) Coronal reformatted and (c) Sagittal reformatted images show the inferior accessory fissure in the right lower lobe (double arrows). Extension of pleuraleffusion in to major fissure (long arrow), and superior accessory fissure (short thick arrow) is revealed in the sagittal reformatted image.
JCIS-2-79-g004.jpg
PMC3551529_01_JCIS-2-79-g004.jpg
F3
In addition, the patient also had inferior and superior accessory fissures in the right lower lobe [Figures 3 and 4].
(a) Axial, (b) Coronal reformatted and (c) Sagittal reformatted images of the follow-up CT scan after the resolution of pleural effusion show the superior accessory fissure in the right lower lobe (arrows).
JCIS-2-79-g005.jpg
PMC3551529_01_JCIS-2-79-g005.jpg
F4
In addition, the patient also had inferior and superior accessory fissures in the right lower lobe [Figures 3 and 4].