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Recurrent gastric neuroendocrine tumors treated with total gastrectomy

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World Journal of Gastroenterology 2015年第46期21卷 13195-13200页

作者： Myounghwa jung jung-wook kim Jae-Young Jang Young Woon Chang Sun Hee Park Yong Ho kim Youn Wha kim Department of Internal Medicine College of MedicineKyung Hee University Department of Surgery College of MedicineKyung Hee University Department of Pathology College of MedicineKyung Hee University

Gastric neuroendocrine tumors are rare; however,the incidence has recently increased due to the increasing use of upper endoscopy. Neuroendocrine tumors arise from the excess proliferation of enterochromaffinlike(ECL) cells. The proliferative changes of enterochromaffin cells evolve through a hyperplasiadysplasia-neoplasia sequence that is believed to underlie the pathogenesis of gastric neuroendocrine tumors. Endoscopic resection is recommended as the initial treatment if the tumor is not in an advanced stage. However,there is no definite guideline for the treatment of recurrent gastric neuroendocrine tumors following endoscopic resection. Here,we report a rare case of gastric neuroendocrine tumors in a 56-yearold male who experienced two recurrences within 11 years after endoscopic resection. The patient finally underwent a total gastrectomy. The pathological features of the resected stomach exhibited the full hyperplasia-dysplasia-neoplasia sequence of the ECL cells in a single specimen.

关键词： Neuroendocrine tumor Hyperplasia of neuroendocrine

Oxyntic gland adenoma endoscopically mimicking a gastric neuroendocrine tumor: A case report

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World Journal of Gastroenterology 2015年第16期21卷 5099-5104页

作者： Tae-In Lee Jae-Young Jang Seungmin kim jung-wook kim Young-Woon Chang Youn-Wha kim Division of Gastroenterology Department of Internal MedicineCollege of MedicineKyung Hee University Department of Pathology College of MedicineKyung Hee University

Gastric adenocarcinoma is one of the most common malignancies *** and immunohistologic analyses classify the phenotypes of gastric adenocarcinoma into several groups based on the variable clinical and pathologic features.A new and rare variant of gastric adenocarcinoma with chief cell differentiation(GA-CCD)has recently been *** reporting the distinct clinicopathologic characteristics proposed the term oxyntic gland polyp/adenoma because of the benign nature of the ***,GA-CCD is a solitary mucosal lesion that develops either in the gastric cardia or ***,this lesion is characterized by tightly clustered glands and anastomosing cords of chief ***,GA-CCD is diffusely positive for mucin(MUC)6 and negative for MUC2and ***,other gastric tumors such as a gastric neuroendocrine tumor or fundic gland polyp have been difficult to *** GA-CCD tends to be endoscopically misdiagnosed as a neuroendocrine tumor or fundic gland polyp,comprehensive assessment and observation by an endoscopist are strongly ***,we report a rare case of oxyntic gland adenoma endoscopically mimicking a gastric neuroendocrine tumor that was successfully removed by endoscopic mucosal resection.

关键词： Chief cell differentiation Gastric carcinoma Mucin 6 Neuroendocrine tumor Oxyntic gland adenoma

Optimal management of biopsy-proven low-grade gastric dysplasia

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World Journal of Gastrointestinal Endoscopy 2015年第4期7卷 396-402页

作者： jung-wook kim Jae Young Jang Division of Gastroen-terology Department of Internal MedicineCollege of MedicineKyung Hee University

Gastric adenocarcinoma generally culminates via the inflammation-metaplasia-dysplasia-carcinoma sequence progression. The prevalence of gastric adenomas shows marked geographic variation. Recently, the rate of diagnosis of low-grade dysplasia(LGD) has increased due to increased use of upper endoscopy. Many investigators have reported that gastric highgrade dysplasia has high potential for malignancy and should be removed; however, the treatment for gastric LGD remains controversial. Although the risk of LGD progression to invasive carcinoma has been reported to be inconsistent, progression has been observed during follow-up. Additionally, the rate of upgraded diagnosis in biopsy-proven LGD is high. Therefore, endoscopic resection(ER) may be useful in the treatment and diagnosis of LGD, especially if lesions are found to have risk factors for upgraded histology after ER, such as large size, surface erythema or depressed morphology. Fatal complications in endoscopic submucosal dissection(ESD) are extremely low and its therapeutic and diagnostic outcomes are excellent. Therefore, ESD should be applied preferentially instead of endoscopic mucosal resection.

关键词： Intraepithelial neoplasia Low-grade dysplasia Adenoma Endoscopic resection Endoscopic submucosal dissection

Analyses of oligodontia phenotypes and genetic etiologies

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International Journal of Oral Science 2021年第3期13卷 323-332页

作者： Mengqi Zhou Hong Zhang Heather Camhi Figen Seymen Mine Koruyucu Yelda Kasimoglu jung-wook kim Hera kim-Berman Ninna M.R.Yuson Paul J.Benke Yiqun Wu Feng Wang Yaqin Zhu James P.Simmer Jan C-C.Hu Dental Research Laboratory University of Michigan School of DentistryAnn ArborMIUSA Department of Second Dental Center Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghaiChina Department of General Dentistry Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghaiChina Orthodontic and Pediatric Dentistry University of Michigan School of Dentistry1011N.University AveAnn ArborMIUSA Mott Children’s Health Center 806 Tuuri Place FlintMIUSA Department of Pedodontics Faculty of DentistryIstanbul UniversityIstanbulTurkey Department of Molecular Genetics&Dental Research Institute School of Dentistry Seoul National UniversitySeoulKorea Department of Pediatric Dentistry&Dental Research Institute School of Dentistry Seoul National UniversitySeoulKorea Department of Paediatric Dentistry Women’s and Children’s HospitalNorth AdelaideSAAustralia Department of Medical Genetics Joe DiMaggio Children’s HospitalHollywoodFLUSA Department of Oral Implantology Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghaiChina

Oligodontia is the congenital absence of six or more teeth and comprises the more severe forms of tooth *** genes have been implicated in the etiology of tooth agenesis,which is highly variable in its clinical *** purpose of this study was to identify associations between genetic mutations and clinical features of oligodontia *** online systematic search of papers published from January 1992 to June 2021 identified 381 oligodontia cases meeting the eligibility criteria of causative gene mutation,phenotype description,and radiographic ***,ten families with oligodontia were recruited and their genetic etiologies were determined by whole-exome sequence *** identified a novel mutation in WNT10A(c.99_105dup)and eight previously reported mutations in WNT10A(c.433 G>A;c.682 T>A;c.318 C>G;c.511.C>T;c.321 C>A),EDAR(c.581 C>T),and LRP6(c.1003 C>T,c.2747 G>T).Collectively,20 different causative genes were implicated among those 393 cases with *** each causative gene,the mean number of missing teeth per case and the frequency of teeth missing at each position were ***–phenotype correlation analysis indicated that molars agenesis is more likely linked to PAX9 mutations,mandibular first premolar agenesis is least associated with PAX9 mutations.

关键词： clinical congenital likely

Complete peritonectomy and intraperitoneal chemotherapy for recurrent rectal cancer with peritoneal metastasis

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World Journal of Gastroenterology 2009年第6期15卷 756-757页

作者： jung wook Huh Young Jin kim Hyeong Rok kim Department of Surgery Chonnam National University Hwasun Hospital and Medical SchoolGwangju 501-757South Korea

A 68-year-old man underwent laparoscopic low anterior resection for rectal carcinoma in December *** 19 mo after the operation,he developed recurrent rectal cancer with peritoneal metastasis. In September 2008,he subsequently underwent a laparotomy with a peritonectomy,omentectomy, splenectomy,and a Hartmann *** intraperitoneal oxaliplatin 750 mg was administered. The patient was discharged with no postoperative complications and has been well with postoperative FOLFOX chemotherapy.

关键词： Peritonectomy Peritoneal metastasis Recurrent rectal cancer

Single-crystalline-level properties of ultrathin SrRuO_(3) flexible membranes with wide and clean surface

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npj Flexible Electronics 2022年第1期6卷 210-215页

作者： Dongha kim wook Ki jung Shinbuhm Lee Department of Physics and Chemistry Department of Emerging Materials ScienceDGISTDaegu 42988Republic of Korea Agency for Defence Development Daejeon 34186Republic of Korea

Transferring single-crystalline(SC)membranes to flexible substrates has been increasingly studied,enabling emerging functionality and enhanced performance of various devices.A commonly used support-assisted transfer process inevitably leaves dirty residue on material surfaces,limiting the further development of surface-related ***,we scale down the thickness of flexible SC SrRuO_(3)(SRO)membranes to 15 nm with a clean surface area of 2.5×2.5 mm^(2).This is accomplished by making the polyethylene terephthalate(PET)substrate surface hydrophilic via oxygen plasma treatment,thereby reducing the surface *** ultrathin,clean,wide,and flexible SC SRO membranes guarantee a high transmittance of up to 60%,a low resistivity of 10^(−4)−10^(−3)Ωcm at room temperature,and band ferromagnetism below 150 K with a high magnetic moment of~0.5μB/Ru at 10 *** SC-level properties of our SRO membranes imply their potential use in state-of-the-art platforms for next-generation electronics and energy devices.

关键词： crystalline thereby guarantee

Risk factors for immediate post-operative fatal recurrence after curative resection of hepatocellular carcinoma

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World Journal of Gastroenterology 2006年第1期12卷 99-104页

作者： Bong-Wan kim Young-Bae kim Hee-jung Wang Myung-wook kim Department of Surgery Ajou University School of MedicineWonchon dongYoungtong kuSuwonKyounggi ProvinceSouth Korea Department of Pathology Ajou University School of Medicine.Wonchon dongYoungtong kuSuwonKyounggi ProvinceSouth Korea

AIM： To investigate the clinicopathological risk factors for immediate post-operative fatal recurrence of hepatocellular carcinoma （HCC）, which may have practical implication and contribute to establishing high risk patients for pre- or post-operative preventive measures against HCC recurrence. METHODS： From June 1994 to May 2004, 269 patients who received curative resection for HCC were reviewed. Of these patients, those who demonstrated diffuse intrahepatic or multiple systemic recurrent lesions within 6 mo after surgery were investigated （fatal recurrence group）. The remaining patients were designated as the control group, and the two groups were compared for clinicopathologic risk factors. RESULTS： Among the 269 patients reviewed, 30 patients were enrolled in the fatal recurrence group. Among the latter, 20 patients showed diffuse intrahepatic recurrence type and 10 showed multiple systemic recurrence type. Multivariate analysis between the fatal recurrence group and control group showed that preoperative serum alpha-fetoprotein （AFP） level was greater than 1 000 μg/L （P= 0.02; odds ratio = 2.98）, tumor size greater than 6.5 cm （P= 0.03; OR= 2.98）, and presence of microvascular invasion （P= 0.01; OR=4.89） were the risk factors in the fatal recurrence group. The 48.1% of the patients who had all the three risk factors and the 220 of those who had two risk factors experienced fatal recurrence within 6 mo after surgery. CONCLUSION： Three distinct risk factors for immediate post-operative fatal recurrence of HCC after curative resection are pre-operative serum AFP level 〉 1 000 μg/L,tumor size〉6.5 cm, and microvascular invasion. The high risk patients with two or more risk factors should be the candidates for various adjuvant clinical trials.

关键词： Hepatocellular carcinoma Hepatectomy Early recurrence Risk factors

Intraoperative photodynamic therapy for tracheal mass in non-small cell lung cancer:A case report

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World Journal of Clinical Cases 2023年第16期11卷 3915-3920页

作者： Hee Suk jung Hyun jung kim Kwan wook kim Department of Thoracic and Cardiovascular Surgery CHA Bundang Medical CenterSeongnam-si 13496South Korea

BACKGROUND Tracheal neoplasms represent less than 0.1%of all malignancies and have no established treatment *** resection with reconstruction is the primary *** study demonstrates successful treatment of concurrent lung and tracheal tumors using surgical excision and intraoperative photodynamic therapy(PDT),highlighting the effectiveness and safety of this *** SUMMARY A 74-year-old male with a history of smoking and chronic obstructive pulmonary disease was diagnosed with tracheal squamous cell carcinoma and right lower lobe adenocarcinoma.A multidisciplinary team created a treatment plan involving tumor resection and *** tracheal tumor was removed through a tracheal incision and this was followed by intraluminal *** trachea was repaired and a right lower lobectomy was *** patient received a second PDT treatment postoperatively and was discharged 10 d after the tracheal surgery,without *** then underwent platinum-based chemotherapy for lymphovascular invasion of lung ***-month postoperative bronchoscopy revealed normal tracheal mucosa with a scar at the resection site and no evidence of tumor recurrence in the trachea or *** Our case of concurrent tracheal and lung cancers was successfully treated with surgical excision and intraoperative PDT which proved safe and effective in this patient.

关键词： Tracheal neoplasm Non-small cell lung carcinoma Pulmonary surgical procedure Photochemotherapy Prognosis Case report

Amylase level in extra hepatic bile duct in adult patients with choledochal cyst plus anomalous pancreatico-biliary ductal union

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World Journal of Gastroenterology 2005年第13期11卷 1965-1970页

作者： In-Ho Jeong Yong-Sik jung Hong kim Bong-Wan kim jung-Woon kim Jeong Hong Hee-jung Wang Myung-wook kim Byung-Moo Yoo Jin-Hong kim Jae-Ho Han wook-Hwan kim Department of Surgery Department of Gastroenterology Department of Pathology

AIM: To investigate the relationship between pancreatic amylase in bile duct and the clinico-pathological features in adult patients with choledochal cyst and anomalous pancreatico-biliary ductal union (APBDU).METHODS: From 39 patients who underwent surgery for choledochal cyst between March 1995 and March 2003,we selected 15 adult patients who had some symptoms and were radiologically diagnosed as APBDU, and their clinico-pathological features were subsequently evaluated retrospectively. However, we could not obtain biliary amylase in all the patients because of the surgeon's ***, we measured the amylase level in gall bladder of 10 patients and in common bile duct of 11 ***: Levels of amylase in common bile duct and gall bladder ranged from 11 500 to 212 000 IU/L, and the younger the patients, the higher the biliary amylase level (r= -0.982, P＜0.01). Pathologically, significant correlation was found between the size of choledochal cyst and the grade of inflammation (r= 0.798,P＜0.01). And, significant correlation was found between the level of amylase in gall bladder and the grade of hyperplasia. On the other hand, there was no correlation to the age of symptomatic onset or inflammatory grade (r = 0.743, P＜0.05). Level of lipase was elevated from 6 000 to 159 000 IU/L in bile duct and from 14 400 to 117 000 IU/L in the gall bladder;however, there was no significant correlation with age or clinico-pathological ***: The results support the notion that amylase has a particular role in the onset of symptoms, and suggest that a large amount of biliary amylase induces early onset of symptom, thereby making early diagnosis possible.

关键词： Choledochal cyst Anomalous pancreaticobiliary ductal union Amylase Hyperplasia