Publications by authors named "Yi-Lun Hsieh"

2 Publications

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Gastroduodenal intussusception caused by gastric gastrointestinal stromal tumor: A case report and review of the literature.

World J Clin Cases 2021 Feb;9(4):838-846

Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.

Background: Gastric gastrointestinal stromal tumor (GIST) is the most common etiology of gastroduodenal intussusception. Although gastroduodenal intussusception caused by gastric GIST is mostly treated by surgical resection, the first case of gastroduodenal intussusception caused by gastric GIST was treated by endoscopic submucosal dissection (ESD) in Japan in 2017.

Case Summary: An 84-year-old woman presented with symptoms of postprandial fullness with nausea and occasional vomiting for a month. Initially, she visited a local clinic for help, where abdominal sonography revealed a space-occupying lesion around the liver, so she was referred to our hospital for further confirmation. Abdominal sonography was repeated, which revealed a mass with an alternating concentric echogenic lesion. Esophagogastroduodenoscopy (EGD) was performed under the initial impression of gastric cancer with central necrosis and showed a tortuous distortion of gastric folds down from the lesser curvature side to the duodenal bulb with stenosis of the gastric outlet. EGD was barely passed through to the 2nd portion of the duodenum and a friable ulcerated mass was found. Several differential diagnoses were suspected, including gastroduodenal intussusception, gastric cancer invasion to the duodenum, or pancreatic cancer with adherence to the gastric antrum and duodenum. Abdominal computed tomography for further evaluation was arranged and showed gastroduodenal intussusception with a long stalk polypoid mass 5.9 cm in the duodenal bulb. Under the impression of gastroduodenal intussusception, ESD was performed at the base of the gastroduodenal intussusception; unfortunately, a gastric perforation was found after complete resection was accomplished, so gastrorrhaphy was performed for the perforation and retrieval of the huge polypoid lesion. The gastric tumor was pathologically proved to be a GIST. After the operation, there was no digestive disturbance and the patient was discharged uneventfully on the 10th day following the operation.

Conclusion: We present the second case of gastroduodenal intussusception caused by GIST treated by ESD. It is also the first case report of gastroduodenal intussusception by GIST in Taiwan, and endoscopic reduction or resection is an alternative treatment for elderly patients who are not candidates for surgery.
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February 2021

Correlation between the ossification of nuchal ligament and clinical cervical disorders.

Kaohsiung J Med Sci 2012 Oct 28;28(10):538-44. Epub 2012 Aug 28.

Department of Physical Medicine and Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.

This is a correlation analysis between severity of the ossification of the nuchal ligament (ONL) and clinical cervical disorders including neck dysfunction, cervical malalignment, and morphologic changes of the cervical neural foramen (CNF). The clinical effects of ONL on active range of motion (AROM) of neck, cervical radiculopathy, abnormal cervical curvature, and the degree of CNF stenosis in patients with painful neck stiffness are investigated. Studies have investigated the predisposing factors to cervical dysfunction and degenerative disorders; however, few studies have examined the influence of the ONL on neck function and cervical spine. A total of 31 participants with painful neck stiffness were recruited. They accepted measurement of cervical AROM and serial cervical radiographs at anterior-posterior view, lateral view, and bilateral oblique views. Parameters of radiographs measurement included cervical lordotic curve, and cross-sectional areas (CSA) of the ONL and CNF (C2-C3, C4-C5, C5-C6, and C6-C7 levels). The ratio of CSA of the lower CNF (C4-C5, C5-C6, C6-C7) to CSA of the upper CNF (C2-C3) was used as a CNF stenosis ratio. The correlations of ONL size, neck symptoms, cervical AROM, lordotic curve, and CNF stenosis ratio were analyzed. More than half of all patients were positive in cervical root signs and prone to have larger ONL. Neck AROM of all participants was significantly below normal average in all directions, and a moderate negative association was found between the ONL CSA and AROM in flexion-extension. Most patients had moderate loss of cervical lordotic curve despite there being no significant correlation between ONL CSA and cervical curvature. Moreover, CNF stenosis ratio significantly negatively correlated with ONL CSA. Patients with larger ONL had more severe cervical radiculopathy, more stiffness in flexion-extension direction, more complex degenerative change of spine, and worse CNF stenosis.
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October 2012