Abstract
We report a single-incision laparoscopic assisted ileocecal resection on a case of low-grade appendiceal mucinous neoplasm (LAMN). The patient was a 65-year-old man with positive fecal occult blood test. Colonoscopic examination showed a submucosal tumor-like lesion measuring 40 mm in the cecum.
Abdominal enhanced CT scan showed a cystic mass in the cecum, but physical examination revealed no abdominal pain and laboratory tests showed no elevated inflammatory response. We considered an appendiceal mucinous tumor at first; carcinoid, appendiceal cancer, and malignant lymphoma were listed as differential diagnoses. We performed single-incision laparoscopic assisted ileocecal resection with D3 lymph node dissection for the purpose of diagnosis and treatment, in view of minimally invasive and esthetic aspects, by devising surgical techniques and the surgical field. The final pathologic diagnosis was LAMN. Surgery is the principal of treatment for LAMN, but there is no clear standard opinion regarding the diagnostic method, surgical procedure, postoperative follow-up period, etc. More cases need to be accumulated and further investigation conducted in the future.
