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OBJECTIVE: To determine if laparoscopic excision is more effective than open excision in the treatment of choledochal cysts. MATERIAL AND METHODS: A systematic review of randomized clinical trials in 3 databases measuring the efficacy of laparoscopic and open excision of choledochal cysts was performed. The authors considered international and national reports, whose results were analyzed in detail. RESULTS: Mean duration of laparoscopic excision was 51 min, open excision - 35.4 min. Length of hospital-stay after laparoscopic excision ranged between 5 and 74 days, after open excision - between 7 and 146 days. Bile leakage rate was 1-2% and 4%, respectively. Laparoscopic excision was followed by lower complication rate. Morbidity and mortality in laparoscopic excision was 20% and 0%, in open excision - 60% and 3.3%, respectively. CONCLUSION: Laparoscopic excision is more effective than open excision in the treatment of choledochal cysts.

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Introducción: La dilatación quística congénita del conducto cístico o dilatación tipo VI de la clasificación de Todani, es una variante rara de dilatación congénita de la vía biliar. Objetivo: Explicar la metodología diagnóstica y terapéutica empleada en un caso pediátrico con esta entidad, y destacar la ventaja de su tratamiento oportuno por vía mínimamente invasiva. Presentación del caso: Paciente masculino de 6 años con sintomatología sugestiva de enfermedad vesicular, referido desde la atención secundaria por sospecha de quiste de colédoco. En el ultrasonido se detectaba una lesión ecolúcida adyacente a la vesícula biliar, sin dilatación de las vías biliares intrahepáticas. Se realizó colangiografía laparoscópica y se confirmó una dilatación quística aislada del conducto cístico, la cual se resecó por vía laparoscópica, igualmente. Conclusiones: La incidencia de la dilatación quística del conducto cístico es muy baja y se puede presentar en niños con sintomatología variable. El diagnóstico generalmente es tardío, puede sospecharse mediante la ecografía abdominal y confirmarse con la colangiografía laparoscópica, aun en ausencia de otros medios diagnósticos más modernos. Su reconocimiento y correcta clasificación permiten realizar el tratamiento quirúrgico definitivo exitosamente, de preferencia por vía laparoscópica(AU)

Introduction: Congenital cystic duct dilatation, or Todani classification type VI dilatation, is a rare variant of congenital bile duct dilatation. Objective: To explain the diagnostic and therapeutic methodology used in a pediatric case with this entity, and to highlight the advantage of its timely minimally invasive treatment. Case presentation: Six-year-old male patient with symptoms suggestive of gallbladder disease, referred from secondary care for suspicion of a common bile duct cyst. Ultrasound showed an echolucent lesion adjacent to the gallbladder, without dilatation of the intrahepatic bile ducts. Laparoscopic cholangiography was performed and confirmed an isolated cystic dilatation of the cystic duct, which was resected laparoscopically, likewise. Conclusions: The incidence of cystic dilatation of the cystic duct is very low and may present in children with variable symptomatology. Diagnosis is usually late, can be suspected by abdominal ultrasound and confirmed by laparoscopic cholangiography, even in the absence of other more modern diagnostic tools. Its recognition and correct classification permit a successful definitive surgical treatment, preferably laparoscopically(AU)

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INTRODUCTION: The choledochal cyst (also bile duct cyst) is a rare condition. It is important to know its clinical presentation, diagnosis, and treatment alternatives, which allow a resolution with low morbidity. OBJECTIVE: to report the clinical diagnosis together with the laparoscopic techniques for the mana gement of the bile duct cyst. CLINICAL CASES: Case 1: 4-year-old preschooler with history of recurrent abdominal pain. Abdominal ultrasound showed a choledochal cyst. Blood amylase levels 111 IU / L. Other tests were normal. Case 2: 5-year-old preschooler with a 5-days history of abdominal pain, vomiting, and diarrhea. He was admitted due to acute pancreatitis (blood lipase 947 IU / L, blood amylase 217 IU / L). Abdominal CT scan reported a lobulated cystic lesion in the hilum of the liver. Case 3: 3-year-old preschooler with recurrent abdominal pain and a 3-day history of epigastric pain and vomiting. Blood amylase and lipase levels were 248 IU / L and 253 IU / L, respectively, diagnosing acute pancreatitis. Abdominal CT scan showed a finding suggestive of a common bile duct cyst. In all 3 cases, the magnetic resonance cholangiopancreatography reported a type I choledochal cyst. All pa tients underwent laparoscopic surgery, performing cyst resection, and hepaticoduodenostomy. One case presented pneumobilia without requiring specific management, the other two did not present incidents and all remain asymptomatic in the follow-up period that was longer than one year after surgery. CONCLUSIONS: In the choledochal cyst, clinical suspicion and timely diagnosis with imaging studies and minimally invasive surgery are important, which allow optimal results in the medium- and long term.

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A choledochal cyst is a rare abdominal malformation and was first reported almost three centuries before. There are few theories describing the evolution of the cyst through the lifespan of affected patients until diagnosis and prompt treatment; however, there is no image documentation of the evolution of the malformation. In this report, we demonstrate the evolution of a type I choledochal cyst in a fetus from the 24th to the 37th week of gestation using magnetic resonance imaging and perinatal outcomes with correlation with pathophysiological mechanisms.

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Los quistes de colédoco son poco comunes, en los países occidentales se ha reportado una incidencia de 1 por cada 100 mil nacidos vivos. En países asiáticos, esta incidencia es mayor, 1 por 100 nacidos vivos. Son usualmente diagnosticados durante la infancia y en el 25 % de los pacientes se presentan durante su vida adulta. Es inusual que se presenten durante el embarazo, sobre todo, que se manifieste durante el primer trimestre. Se realizó un informe de caso con presentación inusual del cuadro clínico no causal, de una embarazada en su primer trimestre con sintomatología obstructiva, evolucionando a colangitis. se realizan exámenes de gabinete como ultrasonografía abdominal y exámenes de laboratorio revelando obstrucción, además de realizarse colangioresonancia y ultrasonografía endoscópica dando como resultado quiste de colédoco tipo 1C, se realiza drenaje. Posteriormente al alta hospitalaria, la paciente presenta nuevamente cuadro de colangitis, se realiza drenaje endoscópico, sin embargo, presenta aborto

Choledochal cysts are rare, in western countries an incidence of 1 per 100,000 live births has been reported. In Asian countries, this incidence is higher 1 per 100 live births. They are usually diagnosed during childhood and in 25 % of patients they present during their adult life. It is unusual for them to occur during pregnancy, especially during the first trimester. A case report was made with an unusual presentation of the non-causal clinical picture, of a pregnant woman in her first trimester with obstructive symptoms, evolving to cholangitis. Cabinet examinations such as abdominal ultrasonography are performed, resulting in type 1C common bile duct cyst. Drainage is performed After discharge from the hospital, the patient presents again with cholangitis, endoscopic drainage is performed, however, she has abortion

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Choledochal cysts are a rare pediatric biliary pathology. Excision of the extrahepatic cyst and restoration of biliary-enteric continuity through either hepaticoduodenostomy (HD) or Roux-en-Y hepaticojejunostomy (HJ) is the mainstay treatment. This study aims to determine if either method provides an advantage. Following PRISMA guidelines, a systematic review was conducted, identifying studies comparing hepaticojejunostomy to hepaticoduodenostomy in patients with choledochal cysts. Data were analyzed using Review Manager 5.3. Nine studies were included, operative time was shorter - 97.50 [- 172.31, - 22.69] p = 0.01 and bleeding reduced - 48.98 [- 88.25, - 9.71] p = 0.01 in HD. HD was associated with shorter length of stay 2.18 [- 3.87, - 0.50] p = 0.01 and similar cholangitis and reintervention rates. Time to a normal diet was similar between groups. Biliary reflux was seen more frequently in HD 19.14 [2.60, 140.63] p = 0.004. Complications such as leak and cholangitis were similar between groups. HD represents a viable alternative to HJ with various advantages such as shorter operative time, decreased bleeding and shorter length of hospital stay. Bile reflux remains a major limitation.Level of evidence IV.

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Las dilataciones congénitas de los conductos biliares, son poco frecuentes y se pueden descubrir en cualquier etapa de la vida, incluido el período prenatal. Es una afección que puede ser asintomáticas, ocasionar síntomas escasos o producir graves complicaciones, razones por las cuales, la actitud actual del especialista se enfoca hacia el diagnóstico temprano y el tratamiento correcto de las diferentes variantes de dilatación congénita de la vía biliar antes que aparezcan las complicaciones mencionadas. El objetivo de publicar esta guía responde a la necesidad de contar con herramientas actualizadas en el manejo de estas afecciones que permitan sistematizar la conducta y mejorar la calidad de la asistencia médica, la docencia y las investigaciones y está aprobada por la Sociedad Cubana de Cirugía Pediátrica. Se realizó una extensa revisión de la literatura científica basada en la mejor evidencia publicada mundialmente sobre el tema. Se presentan el concepto de esta afección, su epidemiología, clasificación, etiología, cuadro clínico, formas de presentación, diagnóstico y conducta a seguir con los diferentes tipos, así como las medidas posoperatorias y de seguimiento del paciente. Si todos los procedimientos se realizan de forma correcta y en el momento oportuno, el pronóstico es favorable en la mayoría de los casos(AU)

Congenital dilation in the biliary duct is not common and can be found in any stage of life, including the prenatal period. It is a condition that can be asymptomatic, causing scarse symptoms or producing severe complications; therefore, the current performance of specialists must be focused towards the early diagnosis and the accurate treatment of the different types of congenital dilation of the biliary tract before the above mentioned complications appear. The aim of publishing this guidelines has to do with the need of having updated tools for the management of these conditions which allow to systematize the behaviours and to improve the quality of medical care, teaching and researches, and also because it is approved by the Cuban Society of Pediatric Surgery. It was made an extensive review of the scientific literature based in the best evidences published worldwide on the topic. It is presented the concept of this condition, its epidemiology, classification, etiology, clinical picture, ways of presentation, diagnosis and behaviour to follow with the different types of it, as well as the patient's post-operative and follow-up measures. If all the procedures are made in a proper way and in the opportune moment, the prognosis is favorable in most of the cases(AU)

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OVERVIEW: Pancreaticobiliary maljunction (PBM) is a congenital malformation characterized by a long common pancreaticobiliary channel which causes sphincter of Oddi malfunction. In children, it is typically diagnosed using magnetic resonance cholangiopancreatography (MRCP). It is associated with congenital biliary dilatation, pancreatitis, and gallbladder and bile duct tumors at adulthood. Studies in the western population are rare. Given its morbidity rate, it should be searched for in the western pediatric population. The objective of this study was to look for and identify the presence of pancreaticobiliary maljunction through MRCP in pediatric patients with biliary or pancreatic disease, as well as to find out other associated factors. METHODS: MRCP was used to measure common channel length, pancreatic duct length, and bile duct diameter in 41 pediatric patients with biliary or pancreatic disease. RESULTS: The common channel could only be measured in 17.6% of cases, 50% of which were >8 mm long. All patients were female and had congenital biliary dilatation. No age-related differences were found in terms of bile duct length. CONCLUSIONS: PBM is present in the western pediatric population, but prevalence and morbidity are unknown. Larger studies are required to identify morbidity and mortality, as well as prevalence among patients.

OBJETIVO: La unión biliopancreática anómala (UBPA) es una malformación congénita caracterizada por un canal común pancreatobiliar largo que impide el adecuado funcionamiento del esfínter de Oddi. Su diagnóstico en niños se realiza comúnmente mediante colangiopancreatografía por resonancia magnética (CPRM). Se asocia a dilatación biliar congénita, pancreatitis y tumores de la vesícula y la vía biliar en la edad adulta. Los estudios en población occidental son escasos; debido a su morbilidad resulta de relevancia la búsqueda en población pediátrica occidental. Este estudio pretende buscar e identificar la presencia de unión biliopancreática anómala mediante CPRM de pacientes pediátricos con enfermedad de la vía biliar o pancreática, al igual que identificar otros factores asociados. METODOS: Se midió por CPRM la longitud del canal común, el conducto pancreático y el diámetro de la vía biliar de 41 pacientes pediátricos con patología biliar o pancreática. RESULTADOS: El canal común solo pudo ser medido en el 17,6% de los casos, de los cuales el 50% tuvo una longitud >8 mm, siendo todos ellos pacientes femeninos con dilatación biliar congénita; no se encontraron diferencias en la longitud de la vía biliar relacionado con la edad. CONCLUSIONES: La UBPA es una malformación que se encuentra presente en población pediátrica occidental con prevalencia y morbilidad desconocida; se requieren estudios a mayor escala para identificar morbimortalidad y prevalencia de pacientes con esta malformación.

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Resumen: El coledococele es una dilatación quística del segmento distal del conducto biliar común que sobresale en el lumen duodenal. Estos comprenden menos del 2% de todos los casos reportados de quistes de colédoco (2). Los hallazgos imagenológicos del coledococele y de los quistes de duplicación duodenal son muy similares, ambos presentan además clínica variada e inespecífica, por lo que el diagnóstico definitivo suele ser durante la cirugía. Presentamos un caso de una paciente de 10 años que consulta por dolor abdominal con elevación de transaminasas que, tras estudio con resonancia magnética con colangioresonancia y EDA se diagnostica coledococele.

Abstract: Choledochocele is a cystic dilation of the distal segment of the common bile duct protruding into the duodenal lumen. Is also known as type III choledochal cyst according to Todani's classification. It is usually misdiagnosed as duodenal duplication cyst. Multislice spiral computed tomography and magnetic resonance cholangiopancreatography may be comparable to endoscopic retrograde cholangiography for diagnosis of choledochocele. We present a case of a 10-years-old girl presented with abdominal pain, elevation of transaminases and a magnetic resonance cholangiopancreatography (MRCP) scan that revealed a choledochocele.

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