Endoscopic Resection of Peroneal Tubercle.
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ABSTRACT:
SUBMITTER: Lui TH
PROVIDER: S-EPMC5709660 | biostudies-literature | 2017 Oct
REPOSITORIES: biostudies-literature
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Project description:Tendoscopy of the peroneal tendon is a promising procedure for the treatment of peroneal tendon pathology and its disorders. This procedure is minimally invasive with less physical morbidity and early functional rehabilitation. The present report demonstrates the techniques of peroneal tendoscopic debridement and endoscopic groove deepening in the prone position to treat peroneal tenosynovitis and low-lying muscle belly of peroneus brevis with a shallow and flat surface of the retro-malleolar groove. The prone position provided better ergonomics during this procedure compared with the supine position.
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Project description:BackgroundGiant pituitary adenomas are a rare finding and the literature is inconclusive regarding the most appropriate approach. In supergiant adenomas, where the size of the tumor is exceptional, both a combine approach versus a solely transcranial or endoscopic approach have been reported.[2,3,5].Case descriptionIn this video, an entirely endoscopic resection of a supergiant pituitary adenoma is demonstrated. The exceptional size (4.5 × 5.8 × 5.4 cm) of the tumor and the peculiarity of the anatomical relations are documented in the video. The anterior cerebral arteries, both the A1 and A2 tracts, as well as the anterior communicating arteries are shown to be posteriorly dislocated and encased by the tumor which is pealed from the arteries themselves. Furthermore, the optic nerves are decompressed and cleaned from any residual tumor. The procedure is highly technically challenging since the furthermost part of the adenoma is also the one attached to the great intracranial arteries. A 45 optic and angle instruments were used for the major part of the surgery. Considering the high risk of postoperative CSF leak, a multilayer closure with nasoseptal flap was chosen. The postoperative MRI showed a gross total resection of the lesion in the absence of any complications and no new neurological nor endocrinological deficit appeared.ConclusionExpanded endoscopic endonasal approach could represent a valuable way to face giant adenoma, providing a direct corridor toward the lesion and safe control of both the chiasmatic vasculature and the anterior communicating artery complex. Multilayer reconstruction is mandatory to avoid postoperative CSF leak.[1,4].
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Project description:BACKGROUND:To compare the outcomes of modified endoscopic mucosal resection (m-EMR) and endoscopic submucosal dissection (ESD) for rectal neuroendocrine tumors (NETs) and evaluate the value of endoscopic morphology classification in endoscopic resection (ER). METHODS:Patients with rectal NET diameters less than 2?cm who were treated between April 2007 and January 2019 were enrolled. The endoscopic morphology of rectal NETs was classified based on the endoscopic views. Patients who underwent ESD and m-EMR were compared. Baseline characteristics as well as en bloc resection, complete resection, the procedure time, adverse events and the risk factors associated with incomplete resection were analyzed. RESULTS:A total of 429 patients with 449 rectal NETs were enrolled for the classification of endoscopic morphology and were classified into four types (Ia, IIb, II, and III). There were 79 patients in the m-EMR group and 259 patients in the ESD group before matching. Propensity score matching created 77 pairs between the two groups that were well balanced. The mean procedure time was significantly shorter for m-EMR than for ESD (9.1?±?4.4?min vs 16.0?±?7.9?min, P?=?0.000). The rates of en bloc resection (98.7% vs 100%; P?=?1.000), complete resection (90.9% vs 93.5%, P?=?0.548) and adverse events (2.6% vs 2.6%, P?=?1.000) were similar between the two groups. Univariate and multivariate analyses showed that histopathological grade and endoscopic morphology were associated with incomplete resection. CONCLUSION:Both ESD and m-EMR are effective and safe for the treatment of rectal NETs. Endoscopic morphology should be considered along with histopathological grade for ER.
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