Clinical characteristics of and risk factors for hepatolithiasis developed after surgery for congenital biliary dilatation

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

World J Gastrointest Surg. Jan 27, 2026; 18(1): 113350
Published online Jan 27, 2026. doi: 10.4240/wjgs.v18.i1.113350

Table 1 Background characteristics of patients with congenital biliary dilatation who underwent extrahepatic bile duct resection, n (%)

Characteristics	Study sample (n = 223)
Male/female	70 (31)/153 (69)
Age at surgery (year), median (range)	5.2 (0.07-77)
Child/adult	164 (74)/59 (26)
Todani classification
Ia	79 (35)
Ic	52 (23)
IV-A	92 (41)
Preoperative conditions
Symptoms¹	183 (82)
Stones in bile tract	98 (44)

¹Symptoms include abdominal pain, nausea, vomiting, an abdominal mass, and jaundice.

Citation: Asano F, Matsuyama R, Kumamoto T, Shinkai M, Morioka D, Shinoda S, Endo I. Clinical characteristics of and risk factors for hepatolithiasis developed after surgery for congenital biliary dilatation. World J Gastrointest Surg 2026; 18(1): 113350
URL: https://www.wjgnet.com/1948-9366/full/v18/i1/113350.htm
DOI: https://dx.doi.org/10.4240/wjgs.v18.i1.113350

Asano F, Matsuyama R, Kumamoto T, Shinkai M, Morioka D, Shinoda S, Endo I. Clinical characteristics of and risk factors for hepatolithiasis developed after surgery for congenital biliary dilatation. World J Gastrointest Surg 2026; 18(1): 113350 [PMID: 41695856 DOI: 10.4240/wjgs.v18.i1.113350]

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