• 제목/요약/키워드: dissection

검색결과 1,488건 처리시간 0.049초

Endoscopic Treatment for Early Gastric Cancer

  • Kim, Sang-Gyun
    • Journal of Gastric Cancer
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    • 제11권3호
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    • pp.146-154
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    • 2011
  • Endoscopic resection has been accepted as a curative modality for early gastric cancer (EGC). Since conventional endoscopic mucosal resection (EMR) has been introduced, many improvements in endoscopic accessories and techniques have been achieved. Recently, endoscopic submucosal dissection (ESD) using various electrosurgical knives has been performed for complete resection of EGC and enables complete resection of EGC, which is difficult to completely resect in the era of conventional EMR. Currently, ESD is accepted as the standard method for endoscopic resection of EGC in indicated cases. In this review, the history of endoscopic treatment for EGC, overall ESD procedures, and indications and clinical results of endoscopic treatment will be presented.

Postoperative Adjuvant Radiotherapy for Patients with Gastric Adenocarcinoma

  • Lim, Do Hoon
    • Journal of Gastric Cancer
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    • 제12권4호
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    • pp.205-209
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    • 2012
  • In gastric adenocarcinoma, high rates of loco-regional recurrences have been reported even after complete resection, and various studies have been tried to find the role of postoperative adjuvant therapy. Among them, Intergroup 0116 trial was a landmark trial, and demonstrated the definite survival benefit in adjuvant chemoradiotherapy, compared with surgery alone. However, the INT 0116 trial had major limitation for global acceptance of the INT 0116 regimen as an adjuvant treatment modality because of the limited lymph node dissection. Lately, several randomized studies that were performed to patients with D2-dissected gastric cancer were published. This review summarizes the data about patterns of failure after surgical resection and the earlier prospective studies, including INT 0116 study. Author will introduce the latest studies, including ARTIST trial and discuss whether external beam radiotherapy should be applied to patients receiving extended lymph node dissection and adjuvant chemotherapy.

Multiple Dissecting Aneurysms of the PICA Trunk - Case Report - (다발성 후하소뇌동맥 해리성 동맥류 - 증 례 보 고 -)

  • Kim, Jong Tae;Kim, Han Kyu
    • Journal of Korean Neurosurgical Society
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    • 제30권1호
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    • pp.66-72
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    • 2001
  • Apatient with multiple dissecting aneurysms of a posterior inferior cerebellar artery trunk who presented with SAH is reported. A 58-year-old woman presented with sudden occipital headache, dizziness and vomiting. The intial vertebral angiography revealed a suspicious pearl and string sign at the proximal posterior inferior cerebellar artery(PICA) segment. After 2 weeks, follow up angiography showed a progression of the proximal PICA dissection and newly developed dissecting aneurysm of the distal PICA segment. A far lateral suboccipital transcondylar appoach confirmed two dissecting aneurysms at distant sites of the PICA trunk. The dissection segments were wrapped with muslin wrap, which preserved the flow through the PICA and brain stem perforators. The angiographys at 3 weeks and 6 months after operation revealed serial disappearance of the dissecting aneurysms which is distal to proximal. The diagnosis, course and treatment of the dissecting aneurysms of the PICA are discussed with literature review.

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Acute Cerebral Infarction after Head Injury

  • Kim, Seok-Won;Lee, Seung-Myung;Shin, Ho
    • Journal of Korean Neurosurgical Society
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    • 제38권5호
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    • pp.393-395
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    • 2005
  • Cerebral infarction rarely occur following head injury. The authors present the case of a 39-year-old man with complete infarction in the middle cerebral artery[MCA] and anterior cerebral artery[ACA] territories ccurred immediately after head injury. He had compound depressed fracture in right frontal bone with no neurological deficit. After the depressed bone elevation, postoperative computed tomography scan showed the right MCA and ACA territory infarction with midline shift. Cerebral angiography obtained on the day after emergent decompressive craneictomy showed the complete occlusion of the internal carotid artery[ICA] at the level of lacerum ICA segment. There was no evidence of neck vessel dissection and basal skull fracture. Cerebral infarction can occur in an ultraearly period after head injury without neck vessel dissection or basal skull fracture. We stress the need for attention to the cerebral infarction as the cause of a rare neurological deterioration of the head trauma.

Sentinel Lymph Node Imaging in Breast Cancer (유방암에서 전초림프절 영상)

  • Kim, Byung-Tae
    • The Korean Journal of Nuclear Medicine
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    • 제33권3호
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    • pp.243-246
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    • 1999
  • Currently, dissection of the axillary or regional lymph nodes is considered the standard staging procedure in breast cancer. However, accumulating evidence is becoming available that the sentinel node concept may provide the same or even better staging information. In the case of melanoma, it is proven that the histological characteristics of the sentinel node reflect the histological characteristics of the distal part of the lymphatic basin. Morbidity can be reduced significantly by the use of sentinel node dissection as several authors have reported successful introduction of this technique into clinical practice. But in breast cancer patients, there are signigicant differences in practice relating to the technology, such as radiopharmaceuticals, injection sites, volume of injectate, combination with vital blue dye, preoperative lymphoscintigraphy, etc. Valuable reports on these topics appeared in recent journals. This review is a summary of those reports for nuclear physicians interested in sentinel node detection by lymphoscintigraphy in breast cancer patients.

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High-Resolution Magnetic Resonance Imaging of Intracranial Vertebral Artery Dissecting Aneurysm for Planning of Endovascular Treatment

  • Chun, Dong Hyun;Kim, Sung Tae;Jeong, Young Gyun;Jeong, Hae Woong
    • Journal of Korean Neurosurgical Society
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    • 제58권2호
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    • pp.155-158
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    • 2015
  • The equipment and techniques associated with magnetic resonance imaging (MRI) have rapidly evolved. The development of 3.0 Tesla MRI has enabled high-resolution imaging of the intracranial vessel wall. High-resolution MRI (HRMRI) can yield excellent visualization of both the arterial wall and lumen, thus facilitating the detection of the primary and secondary features of intracranial arterial dissection. In the present report, we describe the manner in which HRMRI affected our endovascular treatment planning strategy in 2 cases with unruptured intracranial vertebral artery dissection aneurysm. HRMRI provides further information about the vessel wall and the lumen of the unruptured intracranial vertebral artery dissecting aneurysm, which was treated by an endovascular approach in the 2 current cases.

A Case of Carotid Artery Resection and Replacement (경동맥 절제술 및 치환술 1례)

  • Kim, Dea-Sik;Oh, Cheon-Hwan
    • Korean Journal of Bronchoesophagology
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    • 제5권2호
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    • pp.202-206
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    • 1999
  • A carotid artery resection and replacement including neck dissection are used as a method of treatment for head and neck cancer with infiltration into the carotid artery. The recent development of imaging technique makes it easy to estimate the detailed anatomical relationship between the tumor infiltration into the carotid artery, it's resection and replacement are indicated at radical neck dissection. To detect any possibility of cerebral ischemia at the time of ligation of carotid artery, a temporary occlusion test of internal carotid artery with a ballon catheter (balloon occlusion test) is performed. Recently, we performed a carotid artery resection and replacement using an artificial vessel Gore-Tex) in a case of neck cancer with infiltration into the carotid artery.

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Dissecting Aortic Aneurysm - Case Report - (해리성 대동맥류 1례 보)

  • 이준영
    • Journal of Chest Surgery
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    • 제20권2호
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    • pp.367-373
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    • 1987
  • Dissecting aneurysm has long been recognized as an ominous and highly lethal form of aortic disease. Aortic dissection are characterized by longitudinal separation of aortic media and extension proximally, distally or both from the site of intimal tear. DeBakey and associates defined three types based on where the process originates and how far extends. In type I, intimal tear is located in the ascending aorta and extend beyond the descending aorta. We experienced a case of dissecting aneurysm, Type I of DeBakey`s classification which dissection extend to the left iliac artery. The patient was 61 years old woman and suffered from excruciating pain on admission. Excision of aneurysm and ascending aorta reconstruction using to Dacron Vascular Prosthesis were performed under extracorporeal circulation. The post-operative course was uneventful and follow up is continued.

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