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Cirugía y cirujanos
versión On-line ISSN 2444-054Xversión impresa ISSN 0009-7411
Resumen
TERZIOğLU, Serdar G.; KıLıC, Murat Ö.; OKSUZ, Pınar y GURER, Ahmet. Appendiceal neuroendocrine neoplasia: analysis of 50 patients. Cir. cir. [online]. 2022, vol.90, suppl.2, pp.75-80. Epub 20-Dic-2023. ISSN 2444-054X. https://doi.org/10.24875/ciru.22000298.
Objective:
The objective of this study was to investigate the clinical, surgical, and pathological findings of appendiceal neuroendocrine neoplasms (ANNs).
Materials and methods:
The demographic, clinical, surgical, and pathological characteristics of 50 patients with ANN were analyzed. The patients were also classified as Group 1 (< 40 years, n = 37) and Group 2 (≥ 40 years, n = 13), and compared each other in terms of all parameters.
Results:
Acute appendicitis was the pre-operative clinical presentation in 48 (96%) patients. Appendectomy (94%) was the most common surgical procedure. Mean tumor size was 8.6 mm (1-70 mm). Approximately half of the tumors (46%) were T1. There was no lymphatic and distant metastasis. The patients in Group 2 (15.4 mm) had a higher mean tumor size than patients in Group 1 (6.3 mm) (p < 0.001). The two groups were similar in other characteristics (p > 0.05).
Conclusions:
ANNs are usually diagnosed after histopathological evaluation due to the lack of specific clinicoradiological signs. Therefore, carefull intraoperative examination of appendectomy specimens may increase the possibility of suspecting these tumors. The results also showed that ANNs were bigger in patients above 40-years-old. Although not statistically significant, ANNs tended to have higher grade and to be more located at the base of the appendix in this group of patients.
Palabras llave : Appendix; Carcinoid tumor; Neuroendocrine neoplasia.