临床小儿外科杂志  2026, Vol. 25 Issue (3): 220-226  DOI: 10.3760/cma.j.cn101785-20251120-00071

引用本文  

刘登辉, 肖晓依, 刘源卓, 等. 术前伴并发症的儿童胆总管囊肿临床诊治分析[J]. 临床小儿外科杂志, 2026, 25(3): 220-226.   DOI: 10.3760/cma.j.cn101785-20251120-00071
Liu DH, Xiao XY, Liu YZ, et al. Diagnosis and treatment of choledochal cysts complicated with complications in children[J]. J Clin Ped Sur, 2026, 25(3): 220-226.   DOI: 10.3760/cma.j.cn101785-20251120-00071

基金项目

湖南省省级科技计划资助(2020SK50501, 2023JJ30323)

通信作者

李勇, Email: liyongpuwaike@163.com

文章历史

收稿日期:2025-11-20
术前伴并发症的儿童胆总管囊肿临床诊治分析
刘登辉1 , 肖晓依1 , 刘源卓1 , 唐湘莲1 , 黎明1 , 欧阳红娟2 , 李勇1,3     
1. 中南大学湘雅医学院附属儿童医院(湖南省儿童医院)普外科, 长沙 410007;
2. 中南大学湘雅医学院附属儿童医院(湖南省儿童医院)消化营养科, 长沙 410007;
3. 吐鲁番市人民医院普外科, 吐鲁番 838000
摘要目的 总结术前伴并发症的儿童胆总管囊肿(choledochal cyst, CDCs)临床特点及诊治经验。方法 本研究为回顾性病例系列研究, 收集湖南省儿童医院普外科2015年1月至2024年12月收治的176例术前伴并发症的CDCs患儿临床资料。男40例, 女136例; 发病年龄2个月15天至9岁, 中位发病年龄4岁8个月。并发症类型: 胆道穿孔37例、胆源性胰腺炎53例、胆管炎+梗阻性黄疸+肝功能受损86例。对上述患儿的临床特点及诊治经验进行总结分析。结果 37例胆道穿孔患儿中, 31例并发胆汁性腹膜炎, 一期行胆道外引流术, 2~3个月后二期行胆总管囊肿根治术(胆囊+胆总管囊肿切除术+肝管-空肠Roux-en-Y吻合术); 6例为隐匿性胆道穿孔, 一期行胆总管囊肿根治术。53例胆源性胰腺炎患儿, 术前予抗感染、降酶、抑酸治疗或内镜下鼻胆管引流, 待淀粉酶接近正常后行一期胆总管囊肿根治术。86例合并胆管炎、梗阻性黄疸及肝功能受损的患儿, 术前予消炎、利胆、减黄治疗, 或经内镜逆行胰胆管造影放置鼻胆管引流; 待黄疸减退、转氨酶接近正常后, 58例行一期胆总管囊肿根治术, 23例行一期胆道外引流+二期根治术, 5例因内镜下逆行胰胆管造影术失败而改行外引流术, 后再行二期根治术。所有接受胆管外引流的患儿中, 7例出现水电解质紊乱, 4例后期发生T管脱落, 经积极治疗均于2~3个月后行根治性手术。患儿术后随访15~41个月, 中位随访时间22个月。术后9例有反复胆管炎发作史, 4例有慢性胰腺炎史, 均经保守治疗缓解; 12例术后并发肠梗阻, 其中4例接受外科手术治疗。结论 对术前伴并发症的CDCs患儿需早期识别与诊断, 根据患儿具体病情及全身状况选择合理的处理手段和手术方式, 可有效减少术后并发症的发生。
关键词儿童    胆总管囊肿    并发症    诊断    治疗    
Diagnosis and treatment of choledochal cysts complicated with complications in children
Liu Denghui1 , Xiao Xiaoyi1 , Liu Yuanzhuo1 , Tang Xianglian1 , Li Ming1 , Ouyang Hongjuan2 , Li Yong1,3     
1. Department of General Surgery, Affiliated Children's Hospital, Xiangya School of Medicine, Central South University (Hunan Children's Hospital), Changsha 410007, China;
2. Department of Digestive and Nutritional Sciences, Affiliated Children's Hospital, Xiangya School of Medicine, Central South University (Hunan Children's Hospital), Changsha 410007, China;
3. Department of General Surgery, Municipal People's Hospital, Turpan 838000, China
Abstract: Objective To summarize the clinical characteristics, diagnostic and therapeutic experience of choledochal cysts (CDCs) with complications in children. Methods For this retrospective case series study, the relevant clinical data were reviewed for 176 children withfrom January 2015 to December 2024. There were 40 boys and 136 girls with an age range of 2 months and 15 days to 9 years and a median age of 4 years and8months. The complications included biliary perforation (BP, n=37), biliary pancreatitis (n=53) and cholangitis with obstructive jaundice and liver dysfunction (n=86). The major clinical manifestations were abdominal pain, fever, vomiting and scleral icterus. Most of them had two or more clinical manifestations or complications. Results Among 37 BP children, 31 cases with biliary peritonitis underwent one-stage external biliary drainage. It was followed by two-stage radical resection of choledochal cyst (cholecystectomy+choledochal cyst resection+Roux-en-Y hepaticojejunostomy) at Month (2-3). Six cases of occult BP underwent one-stage radical resection of choledochal cyst directly. For 53 children with biliary pancreatitis, preoperative measures included anti-infection, enzyme reduction, acid suppression and endoscopic nasobiliary drainage. One-stage radical resection of choledochal cyst was performed after amylase returned to near normal. For 86 children with cholangitis with obstructive jaundice and liver dysfunction, preoperative interventions were anti-inflammation, cholagogues, jaundice reduction and nasobiliary drainage via Endoscopic retrograde cholangiopancreatography (ERCP) were performed. After jaundice subsided and transaminase returned to near normal, one-stage radical resection of choledochal cyst (n=58) and one-stage external biliary drainage + staged radical surgery (n=5). In 5 children, external drainage was followed by two-stage radical surgery due to failed endoscopic retrograde cholangiopancreatography (ERCP). Among those with external biliary drainage, there were electrolyte disturbances (n=7) and T-tube dislodgment in later period (n=4). Radical surgery was performed at Month 2-3 after active interventions. The postoperative follow-up period was 15 to 41 months with a median follow-up time of 22 months. Nine children had a history of recurrent cholangitis after surgery and 4 had a history of chronic pancreatitis after surgery. All of them were relieved by conservative measures. And 4/12 children were operated due to postoperative intestinal obstruction. Conclusions Early identification and precise diagnosis are necessary for children with CDCs complicated with preoperative complications. Selecting appropriate treatments and surgical approaches based upon specific conditions and general profiles of children may effectively lower the occurrence of postoperative complications.
Key words: Child    Choledochal Cysts    Complication    Diagnosis    Treatment    

先天性胆总管囊肿(choledochal cysts, CDCs)是儿童常见的胆道畸形之一,腹痛、黄疸及腹部肿块是其三大基本临床症状,部分患儿还合并发热、呕吐。临床中,CDCs患儿出现胆道穿孔、胆源性胰腺炎、梗阻性黄疸及肝功能受损等严重术前并发症,虽此类并发症发生率不高,但因接诊医师经验不足、初诊难度较大,易导致误诊、漏诊。本研究回顾性分析术前伴并发症的CDCs患儿临床资料,总结其临床特点及诊治经验,为临床实践提供参考。

资料与方法 一、临床资料

本研究为回顾性病例系列研究,共纳入176例患儿,其中男40例、女136例;发病年龄2个月15天至9岁,中位发病年龄4岁8个月。并发症类型:胆道穿孔37例、胆源性胰腺炎53例、胆管炎+梗阻性黄疸+肝功能受损86例(此86例并发症包括胆管炎、梗阻性黄疸、肝功能受损中的一种或多种)。病例纳入标准:①术前明确诊断为CDCs;②经药物等保守治疗无效(包括术中证实为胆管/胆囊自发性穿孔、术前淀粉酶高于正常上限3倍、转氨酶异常升高、以直接胆红素升高为主的高胆红素血症等情况);③在我院就诊并完成手术及相关治疗。排除标准:①有既往肝胆手术史、外伤性或医源性胆管损伤史;②经药物等保守治疗有效,或合并其他严重疾病;③病理、影像学及随访等临床资料不完整。本研究经湖南省儿童医院伦理委员会批准(HCHLL — 2025 — 374),患儿法定监护人均签署知情同意书。

患儿就诊时主要临床表现为腹痛、发热、呕吐及皮肤巩膜黄染,多数存在两种及以上临床表现。其中102例有不同程度腹部压痛、肌紧张等腹膜炎体征,37例可扪及腹部包块,41例解白陶土样大便。具体并发症情况:①胆道穿孔37例(年龄2个月15天至4岁3个月):31例有胆汁性腹膜炎表现,6例为隐匿性穿孔(穿孔处局部包裹);②胆源性胰腺炎53例(年龄2个月15天至8岁3个月):部分患儿曾在当地医院反复以胰腺炎治疗,转入我院确诊CDCs,经禁食、药物治疗临床症状仍无法缓解,血淀粉酶持续异常(排除保守治疗有效者);③胆管炎+梗阻性黄疸+肝功能受损86例(发病年龄3天至9岁):其中19例年龄<3个月。诊断标准:根据影像学检查中胆管扩张长宽比分为囊状形(长宽比<2)或梭状形(长宽比≥2);采用CDC Todani分型标准[1]。胆源性胰腺炎(急性)诊断参考《中国急性胰腺炎诊治指南(2021)》[2],需符合以下3项标准中的至少2项:①上腹部持续性疼痛;②血清淀粉酶和(或)脂肪酶浓度>3倍正常上限;③腹部影像学检查符合急性胰腺炎影像学改变。

二、统计学处理

采用SPSS 26.0进行数据统计分析。不服从正态分布的计量资料以M(Q1Q3)表示,组间比较采用Wilcoxon秩和检验;计数资料以频数、构成比组间比较采用χ2检验。P < 0.05为差异具有统计学意义。

结果 一、术前检查及分型结果

所有患儿均完善超声、血常规、肝功能、血淀粉酶检查,部分患儿进一步行腹部计算机断层扫描(computed tomography, CT)平扫+增强、磁共振胰胆管成像(magnetic resonance cholangiopancreatography, MRCP)等影像学检查,部分患儿行诊断性腹腔穿刺或术中胆道外引流造影检查。影像学检查发现31例存在腹腔游离液体或膈下游离气腹,其中25例行诊断性腹腔穿刺检查。

本组患儿的CDC Todani分型基于术前CT、MRCP或超声等影像学结果,由两位及以上影像科或外科医师共同评估判定。采用Todani分型标准[1]:Ⅰ型139例(Ⅰa型81例、Ⅰc型58例);Ⅳ型37例(Ⅳa型31例、Ⅳb型7例);无Ⅱ型、Ⅲ型及Ⅴ型(Caroli病)病例。胆管扩张形态:囊状型118例(67.05%),梭状型58例(32.95%)。典型病例见图 1


图 1 儿童胆总管囊肿合并并发症病例典型图片 Fig.1 Typical images of a child with common bile duct cyst and complications    A:MRCP三维成像示腹侧胰管与胆总管汇合异常、远端狭窄梗阻;B:术前MRI增强示胰胆合流异常;C:术中胆道引流造影示胆囊管、肝总管扩张,胆总管远端充盈缺损;D:胆总管扩张患儿行内镜下逆行胰胆管造影术检查:微小切开十二指肠乳头后,行6~8 mm CRE球囊扩张,取石后留置鼻胆管;E:CT增强示肝门至胰头区见串珠状扩张囊性肿物,胰管及胰头内胆管扩张,胆囊窝、肝周间隙及腹腔内见大量积液
二、术前伴并发症CDCs患儿临床特征分析

对本组176例CDCs患儿的临床数据进行统计分析(表 1表 5),结果显示:术前肝功能指标与胆道穿孔、胆源性胰腺炎、胆管炎、梗阻性黄疸及肝功能受损等并发症的发生均显著相关(P < 0.05);人口学特征中,年龄在除胆管炎外的其余并发症中的分布差异均具有统计学意义(P < 0.05),性别在所有并发症发生中的分布差异均无统计学意义(P>0.05);解剖与分型方面,Todani分型与胆管炎、梗阻性黄疸及肝功能受损的关联性具有统计学意义(P < 0.05),胆总管扩张形态在胆源性胰腺炎、胆管炎及梗阻性黄疸的发生中的分布差异具有统计学意义(P < 0.05),其中梗阻性黄疸受患儿年龄、术前肝功能、Todani分型及扩张形态的多重因素影响。

表 1 176例CDCs患儿临床特征与胆道穿孔的关联性分析 Table 1 Correlation analysis between clinical characteristics and biliary perforation in 176 children with CDCs

表 2 176例CDCs患儿临床特征与胆源性胰腺炎的关联性分析 Table 2 Correlation analysis between clinical characteristics and biliary pancreatitis in 176 children with CDCs

表 3 176例CDCs患儿临床特征与胆管炎的关联性分析 Table 3 Correlation analysis between clinical characteristics and cholangitis in 176 children with CDCs

表 4 176例CDCs患儿临床特征与梗阻性黄疸的关联性分析 Table 4 Correlation analysis between clinical characteristics and obstructive jaundice in 176 children with CDCs

表 5 176例CDCs患儿临床特征与肝功能受损的关联性分析 Table 5 Correlation analysis between clinical characteristics and liver function impairment in 176 children with CDCs
三、治疗情况

胆道穿孔患儿:37例中31例并发胆汁性腹膜炎,一期行胆道外引流术,待2~3个月后二期行胆总管囊肿根治术(胆囊+胆总管囊肿切除术+肝管-空肠Roux-en-Y吻合术);6例为隐匿性胆道穿孔,一期直接行胆总管囊肿根治术。胆源性胰腺炎患儿:53例术前予降酶、抑酸治疗,或内镜下鼻胆管引流等干预措施,待血清淀粉酶接近正常后,均行一期胆总管囊肿根治术。胆管炎+梗阻性黄疸+肝功能受损患儿:86例均予术前消炎、利胆、减黄治疗,或经内镜下逆行胰胆管造影术放置鼻胆管引流;待黄疸消退、转氨酶接近正常后,58例行一期胆总管囊肿根治术,23例行一期胆道外引流+二期根治术,5例因内镜下逆行胰胆管造影术治疗失败(术后24 h腹痛加剧、血清脂肪酶/淀粉酶异常升高、感染加重等)改行外引流术,后续再行二期根治术。外引流术后并发症处理:所有接受胆管外引流的患儿中,7例出现水电解质紊乱,4例后期发生T管脱落,经积极对症治疗后,均于2~3个月后顺利行根治性手术。

四、治疗结局及随访

随访截至2024年6月,患儿术后随访时间15~41个月,中位随访时间22个月。术后9例有反复胆管炎发作史,4例有慢性胰腺炎史,均经保守治疗缓解;12例术后并发肠梗阻,其中4例接受外科手术治疗。所有患儿随访期末均预后良好。

讨论

CDCs在亚洲的发病率显著高于欧美地区,女性发病率为男性的3~4倍[3]。近年来,随着产前超声技术的普及及围手术期管理水平的提升,大多数CDCs患儿可获得良好预后,但术前合并胆道穿孔、胆源性胰腺炎、重症胆管炎及梗阻性黄疸等并发症的患儿,仍是临床治疗的难点[4-5]

多项研究证实,20% ~40%的儿童CDCs就诊时已出现不同程度的并发症,我国部分报道显示该比例可超过50%[5-7]。本组176例伴并发症的CDCs患儿,占同期我院收治CDCs患儿的30.7%(176/573),与前述文献报道相符。此类患儿起病急、病情进展快,易进展为感染性休克、凝血功能障碍及肝功能衰竭,显著增加围手术期风险,因此早期识别尤为关键。

研究显示,仅20% ~30%的CDCs患儿表现为典型“三联症”(腹痛、黄疸、腹部包块),多数患儿以突发腹痛腹胀、发热、呕吐或精神反应差等非典型症状为主要表现,此时需警惕合并并发症的可能[6-7]。实验室检查可提供客观诊断依据:白细胞计数、C反应蛋白显著升高提示急性感染;血淀粉酶或脂肪酶升高提示胰胆反流、胰腺受累或并发胆源性胰腺炎;转氨酶升高、高直接胆红素血症及凝血功能异常则提示肝功能受损或胆管炎[5, 8]。影像学检查是早期诊断的关键手段,腹部超声或CT检查若发现巨大囊肿、腹腔积液,提示可能存在胆道高压或胆道穿孔,诊断性腹腔穿刺可明确是否存在胆漏;MRCP检查可进一步明确是否存在胰胆合流异常(abnormal pancreaticobiliary junction, APBJ)及胆道远端狭窄、梗阻情况,为后续手术方案的制定提供依据[7, 9]

胆道穿孔是儿童CDCs最严重的急性并发症之一,穿孔部位多位于肝总管与胆囊管汇合处或囊肿前壁[10]。多项研究证实,APBJ是术前并发症发生的核心病理基础,其主要机制为APBJ导致胰液反流,加之胆道远端狭窄引发胆道内压升高、胆汁淤积及局部血运障碍[7, 11-12]。儿童CDCs胆道穿孔与Todani分型密切相关,以TodaniⅠ型多见,Ⅳ型次之,而Ⅱ型、Ⅲ型及Ⅴ型极少发生,该差异与胆管扩张程度、APBJ及胆管壁发育不成熟等因素相关[1, 7, 12]。本组37例胆道穿孔患儿中,TodaniⅠ型35例(Ⅰa型19例、Ⅰc型16例),Ⅳ型2例,与上述研究结论一致。其中31例术前影像学检查发现腹腔游离液体或膈下游离气腹(25例经诊断性腹腔穿刺明确诊断),采取“一期急诊胆道外引流+二期根治术”策略,2~3个月后行CDCs根治术;6例隐匿性胆道穿孔则一期行CDCs根治术,术后愈合良好无并发症。该治疗策略与近年复杂CDCs分期处理的报道一致,有助于降低围手术期及远期并发症风险[4]。对于明确存在APBJ的CDCs患儿,若影像学检查发现囊壁增厚、囊腔蛋白栓或明显胆汁淤积等征象,应尽早实施根治性手术,以减少胆道穿孔、反复胆管炎及胰腺炎等并发症发生[4, 13]

CDCs合并胆源性胰腺炎的主要诱因是胰胆共同通道梗阻及胰液反流,巨大囊肿或蛋白栓阻塞时诱发胰腺炎。本研究结果显示,Todani分型与胆源性胰腺炎的发生无相关性(P=0.668),与文献报道一致[14]。本组多数胆源性胰腺炎患儿经短期禁食、胃肠减压、抑酸抑酶及抗感染治疗后症状可缓解,随后行一期根治性手术;若胰酶持续升高、反复腹痛或同时存在明显胆道梗阻,予胆道外引流或内镜下逆行胰胆管造影术/内镜下鼻胆管引流减压,待急性炎症控制后再行囊肿切除及胆肠吻合术,可显著降低急性期手术相关风险[14-15]

胆管炎、梗阻性黄疸及肝功能受损是CDCs最常见的并发症类型,本组86例患儿出现上述表现,以胆管炎和肝功能受损发生率较高,且多见于TodaniⅠ型(Ⅰa/Ⅰc型),常见于囊肿内胆汁淤积、反复感染的患儿,其术前ALT、AST及TBIL水平显著高于无胆管炎/肝功能受损者,与国内外文献中“胆管炎/胆汁淤积相关并发症最为常见”结论一致[3, 16]。反复胆管炎常伴随肝功能异常甚至感染中毒症状,增加围手术期处理难度,延迟根治性手术时机。国内外研究指出,反复胆管炎/肝功能受损的CDCs患儿直接行一期根治术,围手术期并发症(尤其是胆肠吻合口瘘、肝功能衰竭及感染性并发症)发生率显著升高,是影响患儿预后的重要危险因素[3, 5, 7]。本组23例(13.1%)梗阻性黄疸患儿年龄明显更低(中位年龄1岁5个月),提示该并发症多见于婴幼儿阶段,其TBIL中位值达45.5 μmol/L,显著高于无黄疸组(17.3 μmol/L)。胆管炎、黄疸、肝功能受损在CDCs患儿临床结局中相互关联,既反映疾病严重程度,也直接影响手术时机选择及围手术期管理。本组86例合并上述并发症的患儿中,13例行一期胆管外引流+二期手术,5例因内镜下逆行胰胆管造影术失败改行外引流术+二期根治术。目前多主张采取“分阶段治疗”策略:急性期优先通过抗感染、液体复苏、营养支持联合经皮或内镜引流等手段控制感染、降低胆道压力及血清胆红素水平,待全身状况及肝功能明显改善后,再择期实施胆总管囊肿根治性切除+Roux-en-Y肝管- 空肠吻合术,可显著降低严重并发症及远期肝纤维化风险[4-5, 15]

对于伴并发症的CDCs患儿,急性期准确评估病情并选择合适的处理策略,是保障围手术期安全、减少术后并发症的关键。本中心临床实践表明,精确术前评估强调早期识别,重点从影像学与实验室指标两方面展开:影像学检查可明确有无APBJ、囊肿大小、并发症类型,同时评估肝外胆管扩张程度及胰腺、肝脏受累情况;实验室检查需重点关注白细胞计数、C反应蛋白、肝功能、凝血功能及胰酶水平,综合判定全身炎症反应程度及肝功能储备情况,进而进行分层评估[5, 8]。若急性炎症未控制时行根治性手术,术中操作难度显著增加,胆瘘、腹腔感染、出血等并发症风险上升。北京儿童医院小样本回顾性研究显示,针对巨大囊肿或凝血功能异常的患儿,超声引导经皮外引流后1~3周内可行胆总管囊肿根治性手术,多数患儿术后肝功能及凝血指标可明显恢复,术后并发症发生率较低[4]

近年来内镜和介入技术在儿科人群中的应用逐渐增多,逐步成为重要的“桥接治疗”手段。上海新华医院队列研究表明,对合并胰腺炎、胆管炎或胆道梗阻的CDCs患儿,内镜下逆行胰胆管造影术下放置鼻胆管或胆道支架,在退热、降低胆红素及改善肝功能方面优于常规外引流,在治疗后2周内行根治手术,其术中出血量、手术时间及术后并发症情况与分期手术相当,住院时间明显缩短[11]。本中心近年开展内镜下逆行胰胆管造影术内镜下引流的实践发现:在严格掌握适应证的基础上,内镜下逆行胰胆管造影鼻胆管引流治疗并发胆管炎/胆源性胰腺炎的CDCs患儿安全可靠、疗效显著,接受内镜干预后,胆红素、γ-GT、CRP等指标于24~72小时内明显下降,发热及腹痛等临床症状迅速缓解,术后轻度胰酶升高、短暂腹痛等经对症处理后均可恢复;但仍有5例患儿因乳头结构偏小、局部解剖变异、囊肿压迫导致胆胰管走向异常,导致内镜下逆行胰胆管造影术治疗失败,术后24小时腹痛加剧、血清脂肪酶/淀粉酶异常升高及感染加重,急诊转行胆道外引流手术。此外,对于解剖变异显著或内镜途径受限的患儿,腔镜辅助下经皮胆囊造瘘仍是重要补充措施,可与超声引导经皮外引流共同构成“微创桥接”技术平台。

然而,目前与“桥接治疗”相关的证据仍以单中心回顾性研究为主,样本量有限,病例构成与处理策略存在差异,不同中心对相关技术的适应证和时机把握缺乏统一标准。因此,未来研究亟需在现有队列基础上,构建多中心前瞻性及随机对照研究框架,引入统一的并发症分型与标准化“桥接治疗”路径,结合长期随访数据,形成“精准病情分层- 合理时机选择- 序贯桥接策略”的可推广规范流程,为伴并发症CDCs患儿的个体化精准治疗提供更高等级证据支撑。

利益冲突   所有作者声明不存在利益冲突

作者贡献声明   刘登辉负责研究的设计、实施和论文撰写;肖晓依、刘源卓进行临床病例数据收集及分析;唐湘莲、黎明、欧阳红娟负责研究设计并对文章知识性内容进行审阅,李勇负责研究指导并对文章知识性内容进行审阅

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