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Case Report
Robot-assisted management of a complex renal mass in the second trimester of pregnancy: A case report and review of recent literature
1 Department of Urology and Paediatric Urology, University Hospital of Wuerzburg, Oberduerrbacherstr. 6, 97080 Wuerzburg, Germany
2 Department of Radiology, University Hospital of Wuerzburg, Oberduerrbacherstr. 6, 97080 Wuerzburg, Germany
3 Department of Pathology, University of Wuerzburg, Josef-Schneider-Str. 2, 97080 Wuerzburg, Germany
4 Department of Obstetrics and Gynecology, University Hospital of Wuerzburg, Josef-Schneider-Str. 4, 97080 Wuerzburg, Germany
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Vincent Scheper
Department of Urology and Paediatric Urology, University Hospital of Wuerzburg, Oberduerrbacherstr. 6, 97080 Wuerzburg,
Germany
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Article ID: 100069Z15VS2026
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Scheper V, Kunz A, Herzog G, Büchel J, Pecks U, Kübler H, Seitz A. Robot-assisted management of a complex renal mass in the second trimester of pregnancy: A case report and review of recent literature. J Case Rep Images Urol 2026;11(2):12–17.ABSTRACT
Introduction: Renal tumors during pregnancy are rare and present a complex challenge and the need to consider maternal and fetal safety.
Case Report: A 32-year-old woman presented with right flank pain at 24+5 weeks of gestation. Ultrasound and magnetic resonance imaging (MRI) revealed a 10 cm hypervascular renal mass extending into the collecting system, initially suspected to be malignant (renal cell carcinoma vs angiomyolipoma). Following multidisciplinary consultation (urology, radiology, and obstetrics), a robot-assisted laparoscopic right nephrectomy was performed with a low pneumoperitoneum pressure (8 mmHg) strategy. Histopathology confirmed an angiomyolipoma. The maternal and fetal courses were without complications.
Conclusion: This case shows the feasibility of robot-assisted surgery for complex renal masses during pregnancy and demonstrates the importance of a multidisciplinary team to optimize maternal and fetal outcomes.
Keywords: Angiomyolipoma (AML) in pregnancy, Renal angiomyolipoma, Renal cell carcinoma (RCC), Robot-assisted surgery
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Acknowledgments
Declaration of generative AI and AI-assisted technologies in the manuscript preparation process
During the preparation of this work, the authors used Google Gemini in order to create Figure 4. After using this tool, the authors reviewed and edited the content as needed and take full responsibility for the content of the published article.
Vincent Scheper - Conception of the work, Design of the work, Acquisition of data, Analysis of data, Drafting the work, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Andreas Kunz - Acquisition of data, Analysis of data, Revising the work critically for important intellectual content, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Gloria Herzog - Acquisition of data, Analysis of data, Drafting the work, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Johanna Büchel - Acquisition of data, Analysis of data, Drafting the work, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Ulrich Pecks - Revising the work critically for important intellectual content, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Hubert Kübler - Conception of the work, Design of the work, Revising the work critically for important intellectual content, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Anna Seitz - Conception of the work, Design of the work, Revising the work critically for important intellectual content, Final approval of the version to be published, Agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
Guaranter of SubmissionThe corresponding author is the guarantor of submission.
Source of SupportNone
Consent StatementWritten informed consent was obtained from the patient for publication of this article.
Data AvailabilityAll relevant data are within the paper and its Supporting Information files.
Conflict of InterestAuthors declare no conflict of interest.
Copyright© 2026 Vincent Scheper et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.
