Appendiceal collision tumors: case reports, management and literature review.

Autor:	Viel G; Department of Surgery, Hepato-Biliary Surgery Unit, Santa Chiara Hospital, Trento, Italy., Ciarleglio FA; Department of Surgery, Hepato-Biliary Surgery Unit, Santa Chiara Hospital, Trento, Italy., Frisini M; Department of Surgery, Hepato-Biliary Surgery Unit, Santa Chiara Hospital, Trento, Italy., Marcucci S; Department of Surgery, Hepato-Biliary Surgery Unit, Santa Chiara Hospital, Trento, Italy., Valcanover S; Department of Surgery, Hepato-Biliary Surgery Unit, Santa Chiara Hospital, Trento, Italy., Bragantini E; Pathology Unit, Department of Clinical Services, Santa Chiara Hospital, Trento, Italy., Barbareschi M; Pathology Unit, Department of Clinical Services, Santa Chiara Hospital, Trento, Italy., Mereu L; Department of Obstetrics and Gynecology, Santa Chiara Hospital, Trento, Italy., Tateo S; Department of Obstetrics and Gynecology, Santa Chiara Hospital, Trento, Italy., Merola E; Department of Gastroenterology, Santa Chiara Hospital, Trento, Italy., Armelao F; Department of Gastroenterology, Santa Chiara Hospital, Trento, Italy., De Pretis G; Department of Gastroenterology, Santa Chiara Hospital, Trento, Italy., Brolese M; Hepatobiliary and Liver Transplant Unit, University of Padua School of Medicine, Padua, Italy., Decarli NL; Pathology Unit, Department of Clinical Services, Santa Chiara Hospital, Trento, Italy., Brolese A; Department of Surgery, Hepato-Biliary Surgery Unit, Santa Chiara Hospital, Trento, Italy.
Jazyk:	angličtina
Zdroj:	Frontiers in surgery [Front Surg] 2023 Jun 07; Vol. 10, pp. 1184322. Date of Electronic Publication: 2023 Jun 07 (Print Publication: 2023).
DOI:	10.3389/fsurg.2023.1184322
Abstrakt:	Appendiceal tumors are incidentally detected in 0.5% cases of appendectomy for acute appendicitis and occur in approximately 1% of all appendectomies. Here, we report two cases of appendiceal collision tumors in two asymptomatic women. In both cases, imaging revealed right-lower-quadrant abdominal masses, which were laparoscopically resected. In both cases, histological examinations revealed an appendiceal collision tumor comprising a low-grade appendiceal mucinous neoplasm and well-differentiated neuroendocrine neoplasm (NEN). For complete oncological control, right hemicolectomy was performed in one patient for the aggressive behavior of NEN; however, histology revealed no metastasis. The other patient only underwent appendectomy. No further treatment was recommended. According to the latest guidelines, exact pathology needs to be defined. Proper management indicated by a multidisciplinary team is fundamental. Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. (© 2023 Viel, Ciarleglio, Frisini, Marcucci, Valcanover, Bragantini, Barbareschi, Mereu, Tateo, Merola, Armelao, De Pretis, Brolese, Decarli and Brolese.)
Databáze:	MEDLINE
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