Neuroendocrine Tumor Developing in the Rectal Mesentery: A Case Who Had Surgery Due to Appendiceal Neuroendocrine Tumor 13 Years Ago

Authors : Kağan Gökçe, Demet Doğan, Murat Üner

Pages : 272-276

Doi:10.26453/otjhs.1420202

View : 47 | Download : 38

Publication Date : 2024-09-16

Article Type : Other Papers

Abstract :In the gastrointestinal tract, Neuroendocrine Tumors (NETs) are most observed in the appendix. This study aims to present a 51-year-old male patient diagnosed with NET in rectal mesentery. In 2009, appendiceal NET was diagnosed after appendectomy. Then, a total mesocolonic right hemicolectomy was performed. In the examination conducted in June 2022, a mass lesion was detected on the right side of the pelvis, posterior to the seminal vesicle and anterolateral to the rectum, within the rectal mesentery. Diagnosis of NET was made with a transabdominal biopsy, and then an operation decision was made. The perioperative frozen section confirmed that the mass lesion was a NET with clean surgical margins. In patients with large tumor sizes or high-grade NET, postoperative treatment is continued with chemotherapy or chemoradiotherapy. The patient was administered chemotherapy after surgery and was followed up in the outpatient clinic.
Keywords : Apendiks, nöroendokrin tümör, rektum mezenteri