18 February 2026
: Case report 
Retroperitoneal Bronchogenic Cysts: A Case Series
Challenging differential diagnosis, Rare disease
Shu-Xin Jing BCDEF 1, Zhi-Fei Jing ABCDEF 2*DOI: 10.12659/AJCR.950085
Am J Case Rep 2026; 27:e950085
Figure 1 Cross-sectional imaging of the RBC in Case 6. (A) A non-contrast CT scan showed an RBC (white arrow) in the left retroperitoneal area, with an irregular contour, adherent to the left diaphragmatic crus, and small calcification was seen in the lesion. (B) The same RBC demonstrates no enhancement in the arterial phase. (C) Magnetic resonance imaging, T1-weighted image. (D) T2-weighted image showing a well-demarcated RBC with high signal.