{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T22:16:33Z","timestamp":1785363393366,"version":"3.55.0"},"reference-count":27,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2024,9,9]],"date-time":"2024-09-09T00:00:00Z","timestamp":1725840000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancers"],"abstract":"<jats:p>Rhabdomyosarcoma (RMS) of the biliary tract is a rare tumor in children, constituting 0.5\u20130.8% of all pediatric RMS. Still, it is the most common malignancy in this location in children. Due to its rarity and location, it may cause diagnostic and treatment difficulties. Above all, there are no therapeutic guidelines specific for this tumor location. The aim of the study was to present an analysis of our experience with the treatment of children with biliary tract rhabdomyosarcoma (RMS) and discuss clinical recommendations for this specific location published in the literature. A retrospective analysis of medical records of eight children with biliary tree RMS treated in one center between 1996\u20132022 was performed. Records of eight children, five boys and three girls aged 2 yrs 6 mo to 16 yrs 9 mo (median\u20146 yrs) were analyzed. All patients presented with jaundice as the first symptom. In two patients, initial diagnosis of a tumor was established. For the remaining six, the primary diagnoses were as follows: choledochal cyst\u2014one, malformation of the biliary ducts\u2014one, choledocholithiasis\u2014one, cholangitis\u2014three. In four patients, the extrahepatic bile ducts were involved; in four patients, both the intrahepatic and extrahepatic bile ducts were involved. Embryonal RMS was diagnosed in seven patients (three botryoides type). Alveolar RMS was found in one patient. Biopsy (three surgical, four during endoscopic retrograde cholangiopancreatography (ERCP)) was performed in seven patients. One child underwent primary partial tumor resection (R2). Seven patients received neoadjuvant chemotherapy, followed by delayed resection in five, including liver transplantation in one (five were R0). Two patients did not undergo surgery. Radiotherapy was administered in four patients (two in first-line treatment, two at relapse\/progression). Six patients (75%) are alive with no evidence of disease, with follow-up ranging from 1.2 yrs to 27 yrs (median 11 yrs. and 4 mo.). Two patients died from disease, 2 y 9 mo and 3 y 7 mo from diagnosis. Children presenting with obstructive jaundice should be evaluated for biliary tract RMS. The treatment strategy should include biopsy and preoperative chemotherapy, followed by tumor resection and radiotherapy for residual disease and in case of relapse.<\/jats:p>","DOI":"10.3390\/cancers16173110","type":"journal-article","created":{"date-parts":[[2024,9,9]],"date-time":"2024-09-09T04:15:01Z","timestamp":1725855301000},"page":"3110","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Rhabdomyosarcoma of the Biliary Tract in Children: Analysis of Single Center Experience"],"prefix":"10.3390","volume":"16","author":[{"given":"Ewa","family":"\u015awi\u0119szkowska","sequence":"first","affiliation":[{"name":"Department of Oncology, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dorota","family":"Broniszczak","sequence":"additional","affiliation":[{"name":"Department of Pediatric Surgery and Organ Transplantation, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0555-2229","authenticated-orcid":false,"given":"Piotr","family":"Kalici\u0144ski","sequence":"additional","affiliation":[{"name":"Department of Pediatric Surgery and Organ Transplantation, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marek","family":"Szymczak","sequence":"additional","affiliation":[{"name":"Department of Pediatric Surgery and Organ Transplantation, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marek","family":"Stefanowicz","sequence":"additional","affiliation":[{"name":"Department of Pediatric Surgery and Organ Transplantation, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8318-5781","authenticated-orcid":false,"given":"Wies\u0142awa","family":"Grajkowska","sequence":"additional","affiliation":[{"name":"Department of Pathology, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3845-5380","authenticated-orcid":false,"given":"Bo\u017cenna","family":"Dembowska-Bagi\u0144ska","sequence":"additional","affiliation":[{"name":"Department of Oncology, The Children\u2019s Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Fuchs, J., Murtha-Lemekhov, A., Kessler, M., G\u00fcnther, P., Fichtner, A., Pfeiffenberg, J., Probst, P., and Hoffman, K. (2021). Biliary Rhabdomyosarcoma in Pediatric Patients: A Systematic Review and Meta-Analysis of Individual Patient Data. Front. Oncol., 11.","DOI":"10.3389\/fonc.2021.701400"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Urla, C., Warmann, S.W., Sparber-Sauer, M., Schuck, A., Leuschner, I., Klingebiel, T., Blumenstock, G., Seitz, G., Koscielmiak, E., and Fuchs, J. (2019). Treatment and Outcome of the Patients with Rhabdomyosarcoma of the Biliary Tree: Experience of the Cooperative Weichteilsarkom Studiengruppe (CWS). 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