A left gastric artery (LGA) pseudoaneurysm is known to occur as a complication of abdominal surgery, trauma, or pancreatitis. However, an LGA pseudoaneurysm presenting with gastrointestinal bleeding is rare. A 77-year-old man complained of dizziness and three episodes of melena in the last 24 hours. He did not have a history of surgery, trauma, or pancreatitis. He underwent primary coronary intervention for unstable angina and started dual antiplatelet therapy 1 month prior. Esophagogastroduodenoscopy (EGD) revealed a 3-cm ulcer in the lesser curvature of the gastric high body with a pulsating subepithelial tumor-like lesion in the ulcer. Hemostasis was achieved endoscopically. Three days after the endoscopic hemostasis, hematemesis and hypovolemic shock occurred. Emergent angiography of the superior mesenteric artery revealed an LGA pseudoaneurysm with extravasation. Coil embolization was successfully performed. Three days after the angiographic embolization, EGD revealed improvement of the gastric ulcer, which was covered with exudate, and disappearance of the subepithelial tumor-like lesion. At the 2-month follow-up, EGD showed that the ulcer was in the healing stage.
Background No definite guidelines for the management of small esophageal subepithelial tumors (SETs) have been established, because there are limited data and studies on their natural history. We aimed to assess the natural history and propose optimal management strategies for small esophageal SETs. Methods Patients diagnosed as esophageal SETs ≤ 30 mm in size between 2003 and 2017 using endoscopic ultrasound (EUS) with a minimal follow-up of 3 months were enrolled, and their esophagogastroduodenoscopy (EGD) and EUS were retrospectively reviewed. Results Of 275 esophageal SETs in 262 patients, the initial size was < 10 mm, 10–20 mm, and 20–30 mm in 104 (37.8%), 105 (38.2%), and 66 (24.0%) lesions, respectively. Only 22 (8.0%) SETs showed significant changes in size and/or echogenicity and/or morphology at a median of 40 months (range, 4–120 months). Tissues of 6 SETs showing interval changes were obtained using EUS-guided fine needle aspiration biopsy; 1 was identified as a gastrointestinal stromal tumor (GIST) and was surgically resected, while the other 5 were leiomyomas and were regularly observed. Eight SETs showing interval changes were resected surgically or endoscopically without pathological confirmation; 1 was a GIST, 2 were granular cell tumors, and the other 5 were leiomyomas. Conclusion Regular follow-up with EGD or EUS may be necessary for esophageal SETs ≤ 30 mm in size considering that small portion of them has a possibility of malignant potential. When esophageal SETs ≤ 30 mm show significant interval changes, pathological confirmation may precede treatment to avoid unnecessary resection.
Percutaneous endoscopic gastrostomy (PEG) has substituted surgical gastrostomy for long-term enteral nutrition. Percutaneous endoscopic transgastric jejunostomy (PEG-J) entails placing a feeding tube into the jejunum through PEG. Unlike PEG, PEG-J is associated with complications caused by the jejunal extension tube. Herein, we report a rare complication of PEG-J. A 71-year-old woman who underwent PEG-J for the administration of carbidopa-levodopa, complained of epigastric pain, dyspepsia, and weight loss of more than 10% in 2 months. Esophagogastroduodenoscopy revealed a duodenal decubitus ulcer caused by the pressure from the jejunal extension tube. After removal of the PEG-J and a 4-week treatment with a proton pump inhibitor, the ulcer healed and the symptoms resolved. (Korean J Helicobacter Up Gastrointest Res 2020 Aug 26. [Epub ahead of print])
Peroral endoscopic myotomy (POEM) can be safely performed for achalasia. During POEM, gas is insufflated via the endoscope inside the submucosal tunnel. Gas-related complications often cannot be avoided because of the lack of serosa in the esophagus and the inability of the adventitia to function as a resistant barrier to gas. However, tension pneumothorax causing respiratory failure is a rare complication of POEM. Herein, we describe a 32-year-old female who developed tension pneumothorax after POEM. She showed respiratory compromise after POEM, and emergency chest radiography revealed pneumothorax with mediastinal shift. Tension pneumothorax was managed by chest tube drainage with the application of negative-suction pressure via the tube, after which her vital signs stabilized. On post-procedural day 4, the tube was removed. Our case suggests the importance of considering tension pneumothorax if respiratory compromise occurs despite oxygen administration after POEM even in the absence of immediate complications during the procedure, and performing chest radiography promptly.
An esophageal perforation is one of the most fatal clinical events, with a mortality rate of up to 21%. This may arise postoperatively or post-endoscopically. In the past, surgical treatment, such as an esophagectomy, was performed these cases. However, the procedure was challenging and had a high risk of postoperative complications. Recently, advancements in endoscopic techniques have been made, and endoscopic procedures became a common treatment modality for patients with esophageal perforation, even in those with underlying diseases. Among the endoscopic procedures, endoscopic vacuum-assisted closure (E-VAC) has been known to be safe and effective. We present the case of a 64-year-old female with advanced liver cirrhosis and an overtube-induced esophageal perforation during esophageal variceal ligation. She was successfully treated with E-VAC.
Background/Aims: Although gastric neuroendocrine tumors (NETs) are uncommon neoplasms, their prevalence is increasing. The clinical importance of the World Health Organization (WHO) classification of gastric NETs, compared with NETs in other organs, has been underestimated. This study aimed to systematically evaluate the clinical and pathologic characteristics of gastric NETs based on the 2019 WHO classification and to assess the survival outcomes of patients from a single-center with a long-term follow-up. Methods:The medical records of 427 patients with gastric NETs who underwent endoscopic or surgical resection between January 2000 and March 2020 were retrospectively reviewed. All specimens were reclassified according to the 2019 WHO classification. The clinicopathologic characteristics, treatment, and oncologic outcomes of 139 gastric NETs were analyzed. Results:The patients' median age was 53.0 years (interquartile range [IQR], 46.0 to 63.0 years). The median follow-up period was 36.0 months (IQR, 15.0 to 63.0 months). Of the patients, 92, 44, and 3 had grades 1, 2, and 3 NETs, respectively. The mean tumor size significantly increased as the tumor grade increased (p=0.025). Patients with grades 2 and 3 gastric NETs more frequently had lymphovascular invasion (29.8% vs 10.9%, p=0.005) and deeper tissue invasion (8.5% vs 0%, p=0.012) than those with grade 1 tumors. The overall disease-specific survival rate was 100%. Two patients with grades 2-3 gastric NETs experienced extragastric recurrence. Conclusions:Although gastric NETs have an excellent prognosis, grade 2 or grade 3 gastric NETs are associated with a larger size, deeper invasion, and extragastric recurrence, which require active treatment.
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