Rhabdomyosarcoma of the biliary tree
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Published on: March 25, 2022
1Department of Pediatric Surgery, Hospital Niño Jesús, C/Menéndez Pelayo 65, E-28009 Madrid, Spain.
Insights
Pediatric biliary rhabdomyosarcoma (RMS) is rare and often misdiagnosed. Chemotherapy can achieve complete tumor regression, potentially avoiding extensive surgery and improving survival for children with this aggressive cancer.
Area of Science:
- Pediatric Oncology
- Surgical Oncology
- Pediatric Gastroenterology
Background:
- Rhabdomyosarcoma (RMS) of the biliary tree is a rare pediatric malignancy.
- This tumor often presents with symptoms mimicking choledochal cysts, leading to preoperative diagnostic challenges.
Observation:
- A 4-year-old girl presented with abdominal pain and obstructive jaundice, initially suspected to be a choledochal cyst.
- Intraoperative diagnosis revealed rhabdomyosarcoma (RMS) of the biliary tree, deemed unresectable due to size and location.
Findings:
- The patient received neoadjuvant chemotherapy, resulting in complete tumor regression.
- Second-look surgery confirmed the absence of residual tumor, demonstrating the efficacy of chemotherapy.
Implications:
- Preoperative chemotherapy offers a promising strategy for managing pediatric biliary rhabdomyosarcoma (RMS).
- This approach may help avoid extensive surgical procedures, preserve organ function, and improve patient survival rates.
- Early and accurate diagnosis remains critical for optimal treatment outcomes in pediatric biliary tract tumors.
Abstract:
Rhabdomyosarcoma (RMS) of the biliary tree is a rare tumor in children that has a very poor prognosis. Preoperatively, it is often mistaken for a choledochal cyst. We report a case of RMS of the biliary tree in a 4-year-old girl who presented with abdominal pain and obstructive jaundice. The RMS was diagnosed at laparotomy; excision was not possible due to its size and localization. Chemotherapy achieved complete regression of the tumor observed at second-look surgery. Preoperative chemotherapy can now avoid mutilating surgical procedures and improve survival.