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Appearance of a neural bypass between injured cingulum and brainstem cholinergic nuclei of a patient with traumatic brain injury on follow-up diffusion tensor tractography images

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Neural Regeneration Research 2015年第3期10卷 498-500页

作者： Han Do Lee sung ho Jang Department of Physical Medicine and Rehabilitation College of MedicineYeungnam University

The human brain is known to contain a maximum of eight cholinergic nuclei： the basal forebrain region： the medial septal nucleus （Ch 1）, the vertical nucleus of the diagonal band （Ch 2）, the horizontal limb of the diago- nal band （Ch 3）, and the nucleus basalis of Meynert （Ch 4）; the brainstem： the pedunculopontine nucleus （Ch 5）, the laterodorsal tegmental nucleus （Ch 6）, and the para- bigeminal nucleus （Ch 8）; and the thalamus： the medial habenular nucleus （Ch 7）（Nieuwenhuys et al., 2008; Naidich and Duvernoy, 2009）. The cingulum is the neu- ral tract extending from the orbitofrontal cortex to the medial temporal lobe （Mufson and Pandya, 1984）. The cingulum plays an important role in memory because it is a passage of the medial cholinergic pathway, which pro- vides cholinergic innervations to the cerebral cortex after originating from Ch 1 and Ch 2 as well as Ch 4 （mainly）（Selden et al., 1998; Nieuwenhuys et al., 2008; hong and lang, 2010）.

关键词： Appearance of a neural bypass between injured cingulum and brainstem cholinergic nuclei of a patient with traumatic brain injury on follow-up diffusion tensor tractography images DTI

Efficacy of uncovered self-expandable metallic stent for colorectal obstruction by extracolonic malignancy

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World Journal of Gastrointestinal Oncology 2020年第9期12卷 1005-1013页

作者： Joon Seong Ahn sung Noh hong Dong Kyung Chang Young-ho Kim Eun-Ran Kim Department of Internal Medicine Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351South Korea

BACKGROUND Self-expandable metallic stent(SEMS)is widely used for malignant colorectal ***,SEMS has been used for palliative option for colorectal obstruction caused by extracolonic malignancy(ECM).AIM To evaluate the efficacy of SEMS for colorectal obstruction caused by ECM,and to identify the factors associated with stent *** Seventy-two patients who were treated with uncovered SEMS insertion for malignant colorectal obstructions caused by colorectal metastasis or peritoneal seeding of ECM at Samsung Medical Center between April 2012 to March 2016 were *** analyzed technical and clinical outcomes of stent insertion,the factors associated with stent occlusion and long term outcomes after stent *** Technical success rate was determined as 90.3%with a clinical success rate of 87.7%.Stent occlusion developed in 28.1%,with a median duration of 51 ***,81.3%with stent occlusion could be treated with secondary stent *** failure was observed to be related to the male sex(P=0.020)and right colon obstruction(P=0.017).Stent length≤10 cm was found to be associated with stent occlusion(P=0.003).Median survival time after stent insertion was 4.7 mo and 40.4%were able to receive their oncological treatments after stent insertion without *** Uncovered SEMS is effective for the treatment of colorectal obstruction caused by ECM,considering life expectancy of patients with ECM.

关键词： Self-expandable metallic stent Colorectal stent Colorectal obstruction Extracolonic malignancy Retrospective study

Sigmoidorectal intussusception of adenoma of sigmoid colon treated by laparoscopic anterior resection after sponge-on-the-stick-assisted manual reduction

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World Journal of Gastroenterology 2006年第1期12卷 146-149页

作者： Ki-Jae Park hong-Jo Choi sung-Heun Kim Sang-Young Han Sook-Hee hong Jin-Han Cho Hyung-ho Kim Department of Surgery Dong-A University College of MedicinePusanSouth Korea Department of Internal Medicine Dong-A University College of Medicine.PusanSouth Korea Department of Pathology Dong-A University College of MedicinePusanSouth Korea Department of Radiology Dong-A University College of MedicinePusanSouth Korea Department of Surgery Seoul National University Bundang HospitalBundangKyunggi-DoSouth Korea

We present herein a case report of sigmoidorectal intussusception as an unusual case of sigmoid adenomatous polyp. The patient was a 56-year-old man who suffered from rectal bleeding for one day. He initially visited his general practitioner and was diagnosed as having an intraluminal mass of 15 cm from the anal verge. Several hours after admission to our coloproctology clinic, he suddenly presented with lower abdominal cramping pain with rectal bleeding during his bowel preparation using polyethylene glycol electrolyte solution. An emergency colonoscopy revealed that the invaginated colon with polypoid mass was protruded to the lower rectum. Gastrograffin enema showed that the invaginated bowel segment was 3 cm from the anal verge. CT scan showed the typical finding of intussusception. We performed laparoscopic anterior resection and anastomosis after the sponge-on-the-stickassisted manual reduction. The permanent pathologic finding showed villotubular adenoma of the sigmoid colon.

关键词： Sigmoidorectal intussusception Adenomatouspolyp Laparoscopic resection

Extended lymph node dissection in robot-assisted radical prostatectomy： lymph node yield and distribution of metastases

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Asian Journal of Andrology 2014年第6期16卷 824-828页

作者： Kwang Hyun Kim Sey Kiat Lim Kyo Chul Koo Woong Kyu Han sung Joon hong Koon ho Rha Department of Urology Urological Science Institute Yonsei University College of Medicine Seoul Korea Department of Urology Ewha Womans University School ot Medicine Seoul Korea.

In this study, we reported our experience performing robotic extended lymph node dissection （eLND） in patients with prostate cancer. A total of 147 patients with intermediate and high-risk prostate cancer who underwent robotic eLND from May 2008 to December 2011 were included in this analysis. The dissection template extended to the ureter crossing the iliac vessels. We assessed lymph node yield, lymph node positivity, and perioperative outcomes. Lymph node positivity was also evaluated according to the number of lymph nodes （LNs） removed （〈22 vs 〉22）. The median number of LNs removed was 22 （11-51）, and 97 positive LNs were found in 24 patients （16.3%）. While the obturator fossa was the most common site for LN metastases （42.3%, 41/97）, the internal iliac area was the most common area for a single positive LN packet （20.8%, 5/24）. Eight patients （33.3%, 8/24） had positive LNs at the common iliac area. The incidence of positive LNs did not differ according to the number of LNs removed. Complications associated with eLND occurred in 21 patients （14.3%） and symptomatic lymphocele was found in five patients （3.4%）. In conclusion, robotic eLND can be performed with minimal morbidity. Furthermore, LN yield and the node positive rate achieved using this robotic technique are comparable to those of open series. In addition, the extent of dissection is more important than the absolute number of LNs removed in eLND, and the robotic technique is not a prohibitive factor for performing eLND.

关键词： lymph node excision prostatectomy prostatic neoplasm robotics

Biochemical outcomes after robot-assisted radical prostatectomy in patients with follow-up more than 5-years

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Asian Journal of Andrology 2013年第3期15卷 404-408页

作者： Kwang Hyun Kim Sey Kiat Lim Tae-Young Shin Byung Ha Chung sung Joon hong Koon ho Rha Department of Urology Urological Science Institute Yonsei University College of Medicine Seoul Korea

In this study, we assessed biochemical outcomes after robot-assisted radical prostatectomy （RARP）. Between July 2005 and November 2007, one hundred and seventy-six consecutive patients treated by RARP without neoadjuvant treatment were included in this study. All procedures were performed by a single surgeon and the median follow-up period was 60 months （interquartile range （IQR）： 59-69）. The median prostate specific antigen was 7.50 ng ml-1 （IQR： 5.14-11.45） and 39.2% of the patients were classified as intermediate risk and 15.3% were classified as high risk; on final pathological examination, 35.2% of the patients had non-organ confined disease and 37.5% and 14.2% had Gleason scores of 7 and 8-10, respectively. The biochemical recurrence （BCR）-free survival rates at 3 and 5 years were 85.6% and 81.2%, respectively. The 5-year BCR-free survival rates stratified by pathologic Gleason scores were 93.1% in Gleason scores of 6 or less, 74.5% in a Gleason score of 7, and 58.1% in Gleason scores of 8 or greater, respectively （P〈0.001）. When stratified by pathologic stage, the BCR-free survival rates were 89.8% in pT2 patients, 66.2% in pT3a patients, and 39.3% in pT3b patients at 5 years following RARP, respectively （P〈0.001）. Preoperative prostate-specific antigen （PSA）, pathologic stage, postoperative Gleason score and surgical margin status were independently associated with BCR in multivariate analysis. In this study, we report biochemical outcomes after RARP with the longest follow-up periods to date in Asian men. We found that robotic surgery provided satisfactory biochemical outcomes, and that RARP is a safe and effective procedure in terms of oncologic outcomes.

关键词： prostatectomy prostatic neoplasm recurrence robotics

Clinical meaning of BRAF mutation in Korean patients with advanced colorectal cancer

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World Journal of Gastroenterology 2014年第15期20卷 4370-4376页

作者： Bun Kim Soo Jung Park Jae Hee Cheon Tae Il Kim Won ho Kim sung Pil hong Department of Internal Medicine Institute of GastroenterologyYonsei University College of MedicineSeoul 120-752South Korea

AIM: To evaluate the clinicopathological features of colorectal cancer (CRC) with a v-Raf murine sarcoma viral oncogene homolog B1 (BRAF) mutation and its molecular interaction with microsatellite instability (MSI) an... 详细信息

关键词： BRAF Colorectal cancer Molecular features Chemotherapy response Prognosis

Unusual neural connection between injured cingulum and brainstem in a patient with subarachnoid hemorrhage

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Neural Regeneration Research 2014年第5期9卷 498-499页

作者： Jeong Pyo Seo sung ho Jang Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaegu Republic of Korea

The human brain is known to have six cholinergic nudei （Selden et al., 1998; Nieuwenhuys et al., 2008）. The cerebral cortex obtains cholinergic innervation mainly from the basalis nucleus of Meynert （Ch 4） in the bas- al forebrain through the medial and lateral cholinergic pathways （Selden et al., 1998; Mesulam et al., 1983）. The cingulum, the neural fiber bundle connecting the basal forebrain and the medial temporal lobe, contains the medial cholinergic pathway （Selden et al., 1998; hong and Jang, 2010）.

关键词： Unusual neural connection between injured cingulum and brainstem in a patient with subarachnoid hemorrhage

CT colonography in the diagnosis and management of colorectal cancer:Emphasis on pre-and post-surgical evaluation

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World Journal of Gastroenterology 2014年第8期20卷 2014-2022页

作者： Nurhee hong Seong ho Park Department of Radiology and Research Institute of Radiology University of Ulsan College of MedicineAsan Medical CenterSeoul 138-736South Korea

This article addresses the use of computed tomographic colonography (CTC) for the diagnosis and management of colorectal cancer, focusing on presurgical evaluation of the colon proximal to an occlusive cancer and surveillance after cancer resection surgery. The key evidences accumulated in the literature and future work needed are summarized. CTC is a technically robust and the most practical method to evaluate the colon proximal to an occlusive cancer, which prevents colonoscopic examination past the occlusion, either before or after metallic stent placement. The high sensitivity of CTC for detecting cancers and advanced adenomas in the proximal colon can help prevent additional surgical procedures in patients showing negative results. however, the accuracy of CTC for distinguishing intramural cancers from adenomas is low, and the technique is limited in guiding management when a medium-sized lesion that do not show invasive features such as pericolic extension or nodal metastasis is found in the proximal colon. A maximal diameter ≥ 15 mm has been proposed as a criterion for surgical removal of proximal lesions. however, this needs to be verified in a larger cohort. In addition, the influence of presurgical CTC results on the current post-cancer resection colonic surveillance timeline remains to be determined. CTC can be readily added to the routine abdominopelvic CT in the form of contrast-enhanced CTC, which can serve as an effective stand-alone tool for post-cancer resection surveillance of both the colorectum and extracolonic organs. Although the accuracy of CTC has been demonstrated, its role in the current colonoscopy-based postoperative colonic surveillance protocols remains to be determined. Readers of CTC also need to be knowledgeable on the colonic lesions that are unique to the postoperative colon.

关键词： Computed tomographic colonography Colonic cancer Rectal cancer Surgery Colonoscopy

Delayed degeneration of an injured spinothalamic tract in a patient with diffuse axonal injury

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Neural Regeneration Research 2017年第11期12卷 1927-1928页

作者： sung ho Jang Hyeok Gyu Kwon Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaemyungdongNamkuDaeguRepublic of Korea Department of Physical Therapy College of Health SciencesCatholic University of PusanPusanRepublic of Korea

Diffuse axonal injury （DAI） is one of the devastating mechanisms of traumatic brain injury （TBI） and shows extensive sub- cortical lesions due to shearing forces induced by rapid acceleration-deceleration and rotation of the brain （Adams et al., 1982; Meythaler et al., 2001）. As a result, conventional brain imaging techniques including brain MRI have been limited in demon- strating neuronal degeneration in patients with DAI. however, diffusion tensor tractography （DTT）, which is derived from diffusion tensor imaging （DTI） has enabled three-dimensional reconstruction of the neural tracts （Jang and Seo, 2014）. Since the introduction of DTI, several studies have demonstrated neuronal degeneration after TBI （Tomaiuolo et al., 2005; hong and lang, 2010; Kwon and Jang, 2014）. however, little is known about delayed neuronal degeneration in patients with TBI.

关键词： Delayed degeneration of an injured spinothalamic tract patient