Low-grade appendiceal mucinous neoplasm at appendiceal orifice treated via appendectomy with double purse-string suture method: A case report

Figure 1 Clinical data of the patient with a low-grade appendiceal mucinous neoplasm at the appendiceal orifice. A: Normal colonoscopy showed a submucosal protrusion at the appendiceal orifice; B: Ultrasound colonoscopy image; C: Abdominal computed tomography enhancement; D: Pathology suggested a low-grade mucinous cystadenoma of the appendix with no involvement of the margins; E: Repeat colonoscopy 18 months after surgery revealed no significant abnormality at the appendiceal orifice; F: Computed tomography enhancement of the abdomen suggested postoperative changes in the appendix.

Figure 2 Double purse-string suture technique. A: A purse-string suture was created approximately 1.0 cm below the swelling; B: A cut was made 0.5 cm from the ligature line; C: A second purse-string suture was performed 1.0 cm from the ligature line; D: The remaining end was embedded into the purse-string suture.