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Botryoid rhabdomyosarcoma of the biliary tract in children: a unique case report
N Zampieri1, F Camoglio, M Corroppolo
1Department of Surgical Sciences, Pediatric Surgical Unit, University of Verona, Verona, Italy, and Department of Woman and Children, King's College Hospital NHS Trust, London, UK. zampius@libero.it
Insights
Rhabdomyosarcoma (RMS) is a rare childhood biliary tree cancer, often misdiagnosed. This case report highlights a rare instance of extrahepatic biliary tree RMS initially presenting as a choledochal cyst.
Area of Science:
- Pediatric Oncology
- Surgical Pathology
Background:
- Rhabdomyosarcoma (RMS) is the most frequent tumor of the pediatric biliary tree.
- Hepatobiliary botryoid RMS specifically affects young children, with a median age of approximately 3 years.
- This rare malignancy constitutes about 1% of all childhood RMS cases.
Observation:
- Radiological findings for hepatobiliary RMS are sparsely documented in existing literature, primarily in small series and individual case reports.
- This case report details an unusual presentation of RMS affecting the extrahepatic biliary tree.
- The initial diagnosis in this case was a choledochal cyst, underscoring diagnostic challenges.
Findings:
- The study presents a rare case of Rhabdomyosarcoma (RMS) in the extrahepatic biliary tree.
- The tumor was initially misidentified as a choledochal cyst based on initial diagnostic assessments.
- This highlights the importance of considering rare differentials in pediatric hepatobiliary pathology.
Implications:
- Accurate and timely diagnosis of pediatric biliary tree tumors is crucial for effective treatment planning.
- This case emphasizes the need for vigilance in differentiating rare RMS presentations from more common pediatric hepatobiliary conditions.
- Further research into the radiological and pathological features of hepatobiliary RMS can improve diagnostic accuracy and patient outcomes.
Abstract:
Rhabdomyosarcoma (RMS) is the most common tumour of the biliary tree in childhood. In children, it is a rare lesion, accounting for about 1% of all RMS. Hepatobiliary botryoid RMS is a disease affecting young children at a median age of about 3 years. In literature, the radiological findings of hepatobiliary RMS have been described in small series and some case reports. In this case report, we present a rare case of RMS of the extrahepatic biliary tree initially diagnosed as a choledochal cyst.