Dataset Information

Modified subxiphoid thoracoscopic thymectomy for early-stage thymic tumor: case report.

ABSTRACT:

Background

Minimally invasive thymectomy via subxiphoid is increasingly being used for thymic tumors. Limited by the small space behind the sternum, the subxiphoid approach is sometimes difficult to perform. In this study, we introduce a modified subxiphoid thoracoscopic thymectomy which is performed via subxiphoid approach using an auxiliary sternal retractor to elevate the sternal to create a larger space behind the sternum. Therefore, the phrenic nerves on both sides were revealed more clearly and the left innominate vein was mobilized safer and easier.

Case description

This study describes the treatment process of a 27-year-old female patient with an incidental finding of a thymic mass. Chest contrast computed tomography revealed a 35 mm × 25 mm lesion in the anterior mediastinum which might be adherent to the left innominate vein. A careful preoperative evaluation was well done and no contraindications to the operation were found. This patient underwent modified subxiphoid thoracoscopic thymectomy, successfully completed without complications occurred during the perioperative period. The patient was discharged home well on post-operative day 2. The pathological diagnosis was mature teratoma.

Conclusions

In conclusion, modified subxiphoid thoracoscopic thymectomy using an auxiliary sternal retractor makes minimally invasive thymectomy safer and simpler and is an alternative option for patients with early-stage thymic tumors.

SUBMITTER: Jiang JH

PROVIDER: S-EPMC10713240 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Modified subxiphoid thoracoscopic thymectomy for early-stage thymic tumor: case report.

Jiang Jia-Hao JH Zhang Yi Y Ding Jian-Yong JY

Mediastinum (Hong Kong, China) 20231009

<h4>Background</h4>Minimally invasive thymectomy via subxiphoid is increasingly being used for thymic tumors. Limited by the small space behind the sternum, the subxiphoid approach is sometimes difficult to perform. In this study, we introduce a modified subxiphoid thoracoscopic thymectomy which is performed via subxiphoid approach using an auxiliary sternal retractor to elevate the sternal to create a larger space behind the sternum. Therefore, the phrenic nerves on both sides were revealed mor ...[more]

PMID: 38090034

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Project description:Although previous studies have reported the use of total thoracoscopic hepatectomy (TH) for malignant liver tumors, it is technically impossible to perform intraoperative ultrasonography (IUSO) to exclude intrahepatic metastasis for the whole liver via a thoracic approach. Therefore, total TH may be inappropriate for these patients. We here report the first case of modified TH for a malignant liver tumor in China.The patient was a 26-year-old man with a 10-year HBV infection. Preoperative CT showed a 1.2 cm × 0.9 cm mass located in segment VIII. His alpha-fetal protein level was 444 ng/mL. Child-Pugh was Grade (A, 6), whereas an ICG-15 test yielded 2.7%. HCC was diagnosed preoperatively. The indications for TH were difficult tumor location, HCC, and a young patient with good resilience.The modified TH included 2 steps: (1) the patient was placed in a supine position. IUSO was used to locate the tumor in segment VIII and determine that intrahepatic metastasis had not occurred. The hepatoduodenal ligament was hanged over using a Pringle maneuver; (2) patient was then placed in the left-lateral position with single-lung ventilation. Three trocars were placed into the right thoracic cavity. The intra-thoracic space was observed using a regular 10-mm rigid scope. The diaphragm was transected and retracted. IUSO was used again to confirm the tumor location. Under the Pringle maneuver (once every 10 min), the superficial portion of the liver was transected by ultrasonic shears, whereas the deeper tissue was transected by LigaSure. Bipolar was used for hemostasis. The specimen was put into a retrieval bag and removed from the abdominal trocar. The diaphragm was repaired by running suturing. The operation time was 260 minutes and estimated blood loss was 30 mL. The patient was discharged on postoperative day 5 with normal liver function. No complications arose.Total TH may be inappropriate for malignant liver tumors due to the limitation of IUSO for the whole liver. The 2-step modified TH is technically feasible and suitable for malignant liver tumors located in segments VII or VIII.Video abstract: http://links.lww.com/MD/B6.

Project description:BackgroundApproaches of thoracoscopic thymectomy for myasthenia gravis (MG) are debatable. The subxiphoid approach is widely utilized recent years for its better visualization of the anterior mediastinum. In the present study, we compared perioperative outcomes and mid-term effects of the extended thymectomy for MG between the subxiphoid approach and the routine right-thoracic approach.MethodsOne hundred and thirty-one MG patients treated with thoracoscopic extended thymectomy were analyzed. Among them, 68 patients were operated on via the subxiphoid approach and the other 63 via the conventional right-side unilateral approach. The patient outcomes were retrospectively reviewed and evaluated. Mid-term clinical outcome was assessed according to the classification system proposed by the Myasthenia Gravis Foundation of America (MGFA). Clinical efficacy and variables influencing outcome were evaluated by the Kaplan-Meier method and Cox proportional hazards regression analysis.ResultsCompared with the right thoracic approach, the duration of the procedure via the subxiphoid approach was significantly shorter (P=0.035), the rates of total thymectomy were higher (P=0.028), and the pain scores on postoperative days 1, 3, and 7 were significantly lower (P<0.001, P<0.001, and P=0.03, respectively). A total of 112 patients with MG were followed up. The subxiphoid approach group reported higher rates of complete stable remission (CSR) and effective treatment of MG, although these differences were not statistically significant (Z=-0.484, P=0.627). By multivariate Cox proportional hazards modes analysis, the chance of CSR was significantly increased when age <40 (OR: 2.623, 95% CI: 1.150-5.983, P=0.022), non-thymomatous MG (OR: 1.078, 95% CI: 1.101-3.316, P=0.021) and MGFA clinical classification (OR: 2.024, 95%:1.164-3.523, P=0.013).ConclusionsThe subxiphoid approach has shorter operation time, higher rates of total thymectomy and better quality of life compared with the lateral thoracoscopic approach. Preoperative age, pathological diagnoses and MGFA Clinical Classification are the independent risk factors for non-complete stable remission (NCSR) after thymectomy.

Dataset Information

Modified subxiphoid thoracoscopic thymectomy for early-stage thymic tumor: case report.

Background

Case description

Conclusions

Publications

Modified subxiphoid thoracoscopic thymectomy for early-stage thymic tumor: case report.

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