Project description:ObjectiveThis study was performed to compare the clinical outcomes of large duodenal lipomas (DLs) of ≥2 cm between endoscopic submucosal dissection (ESD) and endoscopic full-thickness resection (EFTR).MethodsThis retrospective study included patients who underwent endoscopic resection of large DLs from June 2017 to March 2021 at our hospital. Clinicopathologic features, clinical outcomes, and follow-up endoscopy findings were retrospectively reviewed.ResultsTwenty-three patients (12 men) with a mean age of 57.4 years were included. The median tumor size was 28.4 ± 13.3 mm. ESD was performed in 19 patients, and EFTR was performed in 4. Complete resection was achieved in 21 patients. The operative time and postoperative hospital stay were significantly shorter in the ESD than EFTR group. Four patients in the EFTR group developed a fever; no other adverse events occurred. No patients required surgical intervention. During the average follow-up of 21.1 months, no residual tumor, recurrence, or metastasis was observed.ConclusionBoth ESD and EFTR provide minimally invasive, localized treatment of selected DLs. ESD might have some advantages in resecting large DLs in terms of procedure time and hospitalization.

| S-EPMC8721732 | biostudies-literature

Duodenal endoscopic submucosal dissection for a large protruded lesion located just behind the pyloric ring with a scissor-type knife.

Project description: Not available

| S-EPMC6831912 | biostudies-literature

Successful removal of duodenal submucosal tumors with endoscopic submucosal dissection.

Project description: Not available

| S-EPMC6119220 | biostudies-literature

Usefulness and safety of a scissors-type knife in endoscopic submucosal dissection for nonampullary duodenal epithelial tumors.

Project description: Not available

| S-EPMC6119203 | biostudies-literature

Successful duodenal endoscopic submucosal dissection using multiple clip-and-thread traction for a large tumor located in the duodenal bulb.

Project description: Not available

| S-EPMC8058531 | biostudies-literature

Gastric duplication cyst with ectopic pancreas in a teenager successfully resected by endoscopic submucosal dissection.

Project description:BackgroundGastric duplication cyst associated with ectopic pancreas is rare and we aimed to alert clinician to this congenital anomaly.Case presentationA 15-year-old girl presented with intermittent vomiting. Gastroscopy showed a submucosal tumor with an approximate diameter of 40 mm in the anterior wall of the gastric antrum. The lesion had a central umbilication and was diagnosed preliminarily as gastric ectopic pancreas with pseudocyst formation on the basis of its appearance. However, computed tomographic scan showed a thick-walled cystic lesion with an enhanced outline of the cystic wall in the antrum of stomach, suggestive of duplication cyst. Serum amylase was normal. Endoscopic ultrasonography revealed a solid-cystic lesion; the solid portion were inhomogeneously mixed with echoes, and had indistinct border to muscularis propria; the cystic portion had echogenic internal mucosal layer and distinct border to muscularis propria. Endoscopic submucosal dissection (ESD) was suggested for the patient to relieve symptoms and diagnose the lesion definitely. The operation procedure was uneventful and the solid-cystic lesion was resected completely. Histopathologic examination revealed that the solid portion was ectopic pancreas, and the cystic portion was gastric duplication cyst. After resection, the patient discharged successfully and neither symptoms nor tumors recurred during the 9 months follow-up period.ConclusionsThis is the first case of a solid-cystic lesion with central umbilication in the stomach diagnosed as gastric duplication cyst associated with ectopic pancreas. ESD could be an optional treatment to provide a definitive diagnosis.

| S-EPMC9639261 | biostudies-literature

Endoscopic submucosal dissection using an integrated needle-type knife and insulated-tip knife in a single device.

Project description:Video 1Endoscopic submucosal dissection using a multifunctional endoscopic submucosal dissection knife.

| S-EPMC10020168 | biostudies-literature

Endoscopic submucosal dissection of a large duodenal neuroendocrine tumor adjacent to the pyloric ring.

Project description: Not available

| S-EPMC7221237 | biostudies-literature

Endoscopic Submucosal Dissection Using a Novel Versatile Knife: An Animal Feasibility Study (with Video).

Project description:Background/aimsIn order to reduce the procedure time and the number of accessory changes during endoscopic submucosal dissection (ESD), we developed a novel versatile knife, which has the combined advantages of several conventional knives. The aim of this study was to compare the efficacy, safety, and histological quality of ESD performed using this novel versatile knife and a combination of several conventional knives.MethodsThis was an in vivo animal study comparing two different modalities of ESD in mini-pigs. Completion time of each resection was documented, and the resected specimens were retrieved and evaluated for completeness. To assess the quality control of the procedures and adverse events, detailed histopathological examinations were performed.ResultsA total of 18 specimens were dissected by ESD safely and easily (nine specimens using the new versatile knife; nine specimens by mixing conventional knives). All resections were completed as en bloc resections. There was no significant difference in procedure time between the 2 modalities (456 seconds vs. 355 seconds, p=0.258) and cutting speed (1.983 mm(2)/sec vs. 1.57 mm(2)/sec, p=1.000). The rate of adverse events and histological quality did not statistically differ between the modalities.ConclusionsESD with a versatile knife appeared to be an easy, safe, and technically efficient method.

| S-EPMC4260103 | biostudies-literature

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