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Thoracoscopic enucleation of a large esophageal leiomyoma in the lower esophagus: challenges and solutions.

ABSTRACT: Esophageal leiomyomas are rare tumors which have been conventionally managed using open surgery. Only few reports describe the enucleation of large or circumferential leiomyoma successfully managed by thoracoscopy. We herein describe a case of a large circumferential esophageal leiomyoma successfully enucleated using thoracoscopy. An asymptomatic 28-year-old gentleman was diagnosed with a posterior mediastinal mass on a screening chest radiograph. On further investigations with computerized tomography scan and endoscopy, he was diagnosed to have a circumferential homogenous 7×5 cm submucosal lesion in the lower end of the esophagus. Magnetic resonance imaging was performed to rule out duplication cyst and positron emission scan to rule out malignancy in view of suspicious features on endoscopic ultrasound. The final provisional diagnosis was benign lesion of the esophagus. Biopsy of tumor was avoided preoperatively to decrease the chances of intraoperative mucosal injury. The patient was planned for a thoracoscopic enucleation. The tumor was enucleated with meticulous dissection in the submucosal plane with use of stay sutures and minimal use of cautery. There was a pinpoint mucosal perforation which was repaired. The integrity of repair was checked using methylene blue insufflation test and endoscopy. The patient had an uneventful recovery with postoperative gastrografin showing no leak or stricture. Conclusively, a large esophageal leiomyoma may be safely enucleated thoracoscopically with meticulous dissection.

Supplementary information

The online version contains supplementary material available at 10.1007/s12055-021-01196-z.

SUBMITTER: Singla V

PROVIDER: S-EPMC8546002 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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Thoracoscopic enucleation of a large esophageal leiomyoma in the lower esophagus: challenges and solutions.

Singla Vitish V Gupta Ekansh E Bhattacharjee Hemanga H Joshi Mohit M Sharma Raju R Parshad Rajinder R

Indian journal of thoracic and cardiovascular surgery 20210526 6

Esophageal leiomyomas are rare tumors which have been conventionally managed using open surgery. Only few reports describe the enucleation of large or circumferential leiomyoma successfully managed by thoracoscopy. We herein describe a case of a large circumferential esophageal leiomyoma successfully enucleated using thoracoscopy. An asymptomatic 28-year-old gentleman was diagnosed with a posterior mediastinal mass on a screening chest radiograph. On further investigations with computerized tomo ...[more]

PMID: 34776669

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Project description:BackgroundVideo-assisted thoracoscopic surgery (VATS) is being used to treat esophageal submucosal tumors (SMTs) all over the world. However, this technique is difficult when the tumor is large and located on the left side wall of the esophagus, within the upper mediastinum. This is because, with VATS, the surgical forceps have a limited range of motion. Robot-assisted thoracoscopic surgery (RATS) using the da Vinci surgical system may be extremely useful for enucleation of esophageal SMTs within the narrow upper mediastinum.Case presentationA female in her thirties experiencing epigastric pain visited our hospital and was diagnosed with a large esophageal leiomyoma within the upper mediastinum. From its size (10 cm), it was judged to have malignant potential. We performed SMT enucleation using RATS with a da Vinci surgical system Xi. This was our second case using this system. The patient was placed in the left lateral position. Four da Vinci trocars (8 mm) were inserted into the 10th, 7th, 5th and 3rd intercostal spaces (ICS), and an assist port was added in the 5th ICS. We opened the superior mediastinal pleura cranially and caudally from the arch of the azygos vein and expanded the superior mediastinum after dividing the azygos vein. We made an incision in the muscular layer of the esophagus and, using a monopolar hook and monopolar scissors, enucleated the esophageal tumor in a protective manner so as not to damage its capsule or mucosa while applying appropriate robot-specific counter traction. We then sewed up the muscularis using 4-0 Vicryl, inserting the endoscope into the thoracic esophagus to substitute for a bougie. In addition, the pleura was sutured using barbed suture. The surgical procedure was straightforward and smooth. The patient was discharged on postoperative day 4 with no surgical complications. The tumor was definitively diagnosed pathologically from paraffin sections as a benign esophageal leiomyoma.ConclusionsRATS enables more delicate and precise esophageal SMT enucleation without surgical complications, though various challenges remain to be overcome.

Project description:Background & aimsSmooth muscles of the lower esophageal sphincter (LES) and skeletal muscle of the crural diaphragm (esophagus hiatus) provide the sphincter mechanisms at the esophagogastric junction (EGJ). We investigated differences in the 3-dimensional (3D) pressure profile of the LES and hiatal contraction between healthy subjects and patients with achalasia esophagus.MethodsWe performed a prospective study of 10 healthy subjects (controls; 7 male; mean age, 60 ± 15 years; mean body mass index, 25 ± 2) and 12 patients with a diagnosis of achalasia (7 male; mean age, 63 ± 13 years; mean body mass index, 26 ± 1), enrolled at a gastroenterology clinic. Participants underwent 3D high-resolution manometry (3DHRM) with a catheter equipped with 96 transducers (for the EGJ pressure recording). A 0.5-mm metal ball was taped close to the transducer number 1 of the 3DHRM catheter. EGJ pressure was recorded at end-expiration (LES pressure) and at the peak of forced inspiration (hiatal contraction). Computed tomography (CT) scans were performed to localize the circumferential location of the metal ball on the catheter. Esophagus, LES, stomach, right and left crus of the diaphragm, and spine were segmented in each CT scan slice images to construct the 3D morphology of the region.ResultsThe metal ball was located at the 7 o'clock position in all controls. The circumferential orientation of metal ball was displaced 45 to 90 degrees in patients with achalasia compared with controls. The 3D-pressure profile of the EGJ at end-expiration and forced inspiration revealed marked differences between the groups. The LES turns to the left as it entered from the chest into the abdomen, forming an angle between the spine and LES. The spine-LES angle was smaller in patients with achalasia (104°) compared with controls (124°). Five of the 10 subjects with achalasia had physical breaks in the left crus of the diaphragm CONCLUSIONS: Besides LES, the 3D pressure profile of the EGJ can indicate anatomic and functional abnormalities of the crural diaphragm muscle in patients with achalasia esophagus. Further studies are needed to define the nature of hiatal and crural diaphragm dysfunction in patients with achalasia of the esophagus.

Dataset Information

Thoracoscopic enucleation of a large esophageal leiomyoma in the lower esophagus: challenges and solutions.

Supplementary information

Publications

Thoracoscopic enucleation of a large esophageal leiomyoma in the lower esophagus: challenges and solutions.

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