CASE REPORT
Abdominal teratomas in neonates: a case report and literature review
1
Department of Pediatrics, St. Adalbert’s Hospital, Copernicus Medical Entity Sp. z o.o., Gdansk, Poland
2
Department of Surgery and Urology for Children and Adolescents, Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
3
Department of Surgery and Urology for Children and Adolescents, University Clinical Center, Gdansk, Poland
4
Department of Radiology, University Clinical Center, Gdansk, Poland
5
Department of Pathomorphology, Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
6
Department of Pathomorphology, University Clinical Center, Gdansk, Poland
7
Department of Pediatrics, Hematology and Oncology, Faculty of Medicine, Medical University of Gdansk, Gdansk, Poland
8
Faculty of Health Sciences, Medical University of Gdansk, Poland
9
Department of Pediatrics, Hematology, Oncology and Immunology, University Clinical Center, Gdansk, Poland
Submission date: 2026-01-04
Final revision date: 2026-03-02
Acceptance date: 2026-03-31
Publication date: 2026-06-14
Corresponding author
Joanna Stefanowicz
Department of Pediatrics, Hematology and Oncology Medical University of Gdansk Clinical University Centre, Gdańsk, Poland
Department of Pediatrics, Hematology and Oncology Medical University of Gdansk Clinical University Centre, Gdańsk, Poland
Pediatr Pol 2026;101(3):288-296
KEYWORDS
TOPICS
ABSTRACT
Due to their rarity and often large size at diagnosis, abdominal teratomas in newborns are often challenging to diagnose and treat. We would like to present the case of a newborn with a massive abdominal mass, initially misdiagnosed as a microcystic mesenteric lymphatic malformation, which revealed to be immature teratoma. This case report highlights the challenges associated with the differential diagnosis and surgical management of neonatal abdominal teratomas. It contributes to the literature by presenting diagnostic dilemmas that ultimately led to the accurate identification of this condition.
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