Endoscopic resection of gastrointestinal submucosal lesions: a comparison between strip biopsy and aspiration lumpectomy

Endoscopic submucosal dissection (ESD) for gastrointestinal carcinoid tumors

“…Endoscopic resection of carcinoid tumors with polypectomy or strip biopsy with grasping forceps is sometimes associated with margin involvement and crush injury of the resected specimens, which leads to difficulty in pathological evaluation and often necessitates additional surgical intervention [16][17][18]. With aspiration lumpectomy and mucosal resection using a ligation device, tumors can be frontally viewed with a hood attached to the endoscope and lifted sufficiently by endoscopic suction [19][20][21][22][23]. In this way, undamaged circular resected specimens can be obtained, resulting in a high complete resection rate for carcinoid tumors in the lower rectum but not for tumors located in the upper rectum [23].…”

Endoscopic submucosal dissection and preoperative assessment with endoscopic ultrasonography for the treatment of rectal carcinoid tumors

“…Various endoscopic treatments for rectal carcinoid tumors have been described including endoscopic polypectomy, strip biopsy, aspiration lumpectomy, and mucosal resection using a ligation device [4,[17][18][19][20][21][22][23]. Kobayashi et al [17] reported that the degree of submucosal invasion evaluated by EUS was useful for selection of the treatment technique.…”

“…Because the tumors can be elevated with the grasping forceps, endoscopic polypectomy using a twochannel colonoscope often results in crush injury of resected specimens [18]. With aspiration lumpectomy and mucosal resection using a ligation device, the tumors can be viewed frontally with a hood attached to the endoscope and lifted sufficiently by endoscopic suction [19][20][21][22][23]. In this way, undamaged circular resected specimens can be obtained, and the complete resection rate is high for carcinoid tumors in the lower portion of the rectum but not for tumors located in the upper portion of the rectum [23].…”

Role of EUS and MDCT in the diagnosis of gastric submucosal tumors according to the revised pathologic concept of gastrointestinal stromal tumors

“…These disease entities include various benign cystic lesions such as retention cyst, submucosal glandular cyst, bronchogenic cyst, and duplication cyst, among others [34,35]. These cystic lesions are commonly identified as well-demarcated, anechoic, rounded or ovoid, compressible structures on EUS.…”