31 May 2026
: Case report 
Obstruction of the Biliary Limb of the Roux Loop After Successful Kasai Portoenterostomy for Biliary Atresia: Report of Two Cases
Unusual setting of medical care, Rare disease
Cheryl H.Q. Chong
BEF 1*, Yang Yang Lee BCD 1, Vidyadhar Padmakar Mali ACDEF 1
DOI: 10.12659/AJCR.950980
Am J Case Rep 2026; 27:e950980
Figure 2 Post-Kasai portoenterostomy hepatobiliary scintigraphy for case 2. Scans were performed using technetium-99m radiotracer, with anteroposterior views obtained at intervals. (A) Persistent tracer retention in the biliary limb of the Roux loop at 6 hours (green arrow). (B) Postoperative scan demonstrating unimpeded drainage from the liver into the small bowel after surgical correction of Roux limb obstruction (orange arrow).