Atrial Septal Defect Confounding the Diagnosis of Caroliʼs Syndrome

Romero, Carlos Jiménez; Carlo, Victor; Davila, Blachy; Calderón, Rafael; González-Keelan, Carmen

doi:10.14309/00000434-200609001-00907

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“…Transesophageal ultrasound revealed ASD, and a liver biopsy confirmed the diagnosis of Caroli. This is an example of the association between Caroli syndrome and ASD [ 14 ]. However, after research in the literature, we were not able to find any reasonable cause for this association.…”

Section: Discussionmentioning

confidence: 99%

Caroli syndrome associated with atrial septal defect and polydactyly: a case report

Ghassa

Khouri

2023

J Med Case Reports

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Introduction Caroli disease is multifocal segmental dilatation of the large intrahepatic bile ducts that connect to the main duct. It is considered a rare disease with an incidence rate of 1 in 1,000,000 births. There are two types of Caroli: the first type is the simple type, Caroli disease, which includes only cystic dilatation of the intrahepatic bile ducts. The second is called Caroli syndrome, which consists of Caroli disease and congenital hepatic fibrosis and might lead to portal hypertension leading to esophageal varices and splenomegaly. Atrial septal defect is one of the most common congenital heart diseases, occurring when the connection between the left and the right atriums fails to close. Polydactyly is one of the most common congenital malformations of the hands and feet. It manifests in excess fingers on the hands or toes. Case presentation A 6-year-old Arab girl presented to the hospital with abdominal pain for the last month with abdominal enlargement. The patient was already diagnosed with Caroli disease and polydactyly (six fingers on each limb) when she was born. Investigations including complete blood count, blood smear, bone marrow biopsy, esophagoscopy, abdominal ultrasound, and computed tomography scan showed splenomegaly associated with hypersplenism, fourth-grade non-bleeding varices, intrahepatic cystic formations in the left and right lobes, and an atrial septal defect with a left-to-right shunt. The patient was scheduled for a splenectomy after she was vaccinated with the appropriate vaccines. After follow-up for a week in the hospital, complete blood count showed an improvement. A month after that, the patient had liver abscesses and biliary fistula that were treated appropriately and her symptoms resolved. Conclusion The association of liver diseases, polydactyly, and congenital heart diseases is extremely rare and was only documented few times in the literature. However, to our knowledge, atrial septal defect has never been part of this combination before. The family history also makes this case unique and strongly suggests genetic etiology.

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Section: Discussionmentioning

confidence: 99%