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Sang Won Park,Nam Young Lee,Hee Yeon Jeong,In Won Chung,Yong Sik Kim,Seong Hoon Jeong 대한신경정신의학회 2024 PSYCHIATRY INVESTIGATION Vol.21 No.4
Objective Auditory verbal hallucination (AVH) is a prominent symptom of schizophrenia causing profound distress. The influence of AVHs on insight appears to be intricate and contingent on other accompanying symptoms. This study investigated the relationship and possible mediators between AVHs and the degree of insight.Methods One hundred patients with schizophrenia participated in the study. Scales were used to evaluate the hallucinatory experience, the level of insight and other psychopathology. Complex relationships between variables were envisaged as a path model, whose initial structure was constructed via Gaussian Graphical Model. The validity of the final model was verified by Structural Equation Modeling. Separate analyses were performed for self-reported and clinician-rated data to enhance the model’s robustness.Results The greater the severity of the physical aspects of AVHs, the lower the level of insight observed. Conversely, higher emotional distress was associated with increased insight. These relationships were only evident in the self-reported results and were not reflected in the clinician-rated results. The path model suggested that the Positive and Negative Syndrome Scale (PANSS) anxiety/depression factor was an important mediator that linked the found association. Notably, the PANSS negative symptom had the opposite effect on the PANSS anxiety/depression factor and insight, making it difficult to define its overall effect.Conclusion The findings of this study provided one possible route for the positive influence of AVH experience in gaining insight. The mediating role of anxiety/depression modified by negative symptoms emerged as a valuable concept for clarifying this intricate relationship.
Nam, Byung Ho,Kim, Young-Woo,Reim, Daniel,Eom, Bang Wool,Yu, Wan Sik,Park, Young Kyu,Ryu, Keun Won,Lee, Young Joon,Yoon, Hong Man,Lee, Jun Ho,Jeong, Oh,Jeong, Sang Ho,Lee, Sang Eok,Lee, Sang Ho,Yoon, The Korean Gastric Cancer Association 2013 Journal of gastric cancer Vol.13 No.3
Purpose: Laparoscopy-assisted distal gastrectomy for early gastric cancer has gained acceptance and popularity worldwide. However, laparoscopy-assisted distal gastrectomy for advanced gastric cancer is still controversial. Therefore, we propose this prospective randomized controlled multi-center trial in order to evaluate the safety and feasibility of laparoscopy assisted D2-gastrectomy for advanced stage gastric cancer. Materials and Methods: Patients undergoing distal gastrectomy for advanced gastric cancer staged cT2/3/4 cN0/1/2/3a cM0 by endoscopy and computed tomography are eligible for enrollment after giving their informed consent. Patients will be randomized either to laparoscopyassisted distal gastrectomy or open distal gastrectomy. Sample size calculation revealed that 102 patients are to be included per treatment arm. The primary endpoint is the non-compliance rate of D2 dissection; relevant secondary endpoints are three-year disease free survival, surgical and postoperative complications, hospital stay and unanimity rate of D2 dissection evaluated by reviewing the intraoperative video documentation. Discussion: Oncologic safety is the major concern regarding laparoscopy-assisted distal gastrectomy for advanced gastric cancer. Therefore, the non-compliance rate of clearing the N2 area was chosen as the most important parameter for the technical feasibility of the laparoscopic procedure. Furthermore, surgical quality will be carefully reviewed, that is, three independent experts will review the video records and score with a check list. For a long-term result, disease free survival is considered a secondary endpoint for this trial. This study will offer promising evidence of the feasibility and safety of Laparoscopy-assisted distal gastrectomy for advanced gastric cancer. Trial Registration: NCT01088204 (international), NCCCTS-09-448 (Korea).
Imaging of primary chest wall tumors with radiologic-pathologic correlation.
Nam, Se Jin,Kim, Sungjun,Lim, Beom Jin,Yoon, Choon-Sik,Kim, Tae Hoon,Suh, Jin-Suck,Ha, Doo Hoe,Kwon, Jong Won,Yoon, Young Cheol,Chung, Hye Won,Sung, Mi Sook,Choi, Yun Sun,Cha, Jang Gyu The Society 2011 Radiographics Vol.31 No.3
<P>Neoplasms and tumorlike lesions that originate from chest wall tissues are uncommon compared with tumors in other parts of the body, and unfamiliarity with these disease entities can cause diagnostic difficulties for radiologists. Furthermore, the imaging features of many of these tumors are nonspecific, particularly those that are locally aggressive. However, a systematic approach based on patient age, clinical history, lesion location, and characteristic imaging findings often helps limit the differential diagnosis. Primary chest wall tumors can be classified as bone or soft-tissue tumors, with the latter being further classified into adipocytic tumors, vascular tumors, peripheral nerve sheath tumors, cutaneous lesions, fibroblastic-myofibroblastic tumors, and so-called fibrohistiocytic tumors, largely based on the 2002 World Health Organization classification. Within each category, it is possible to further limit the differential diagnosis with cross-sectional imaging. Information on specific features (eg, mineralization, fibrosis, hemosiderin deposits) and imaging patterns (eg, the 'target sign' and 'fascicular sign' seen in neurogenic tumors) can aid in making the diagnosis. Radiologists can achieve a sufficiently specific diagnosis of bone tumors and soft-tissue tumors if typical findings are present. © RSNA, 2011.</P>
( Nam In Kim ),( Young Sik Kim ),( Kyung Soo Kim ),( Hyun Young Chang ),( Heung Bae Park ),( Gi Ho Sung ) 한국부식방식학회(구 한국부식학회) 2015 Corrosion Science and Technology Vol.14 No.3
The usage of bending products recently have increased since many industries such as automobile, aerospace, shipbuilding, and chemical plants need the application of pipings. Bending process is one of the inevitable steps to fabricate the facilities. Induction heat bending is composed of compressive bending process by local heating and cooling. This work focused on the effect of induction heat bending process on the properties of ASME SA312 Gr. TP304 stainless steel pipes. Tests were performed for base metal and bended area including extrados, intrados, crown up, and down parts. Microstructure was analyzed using an optical microscope and SEM. In order to determine intergranular corrosion resistance, Double Loop Electrochemical Potentiokinetic Reactivation (DL-EPR) test and ASTM A262 practice A and C tests were done. Every specimen revealed non-metallic inclusion free under the criteria of 1.5i of the standard and the induction heat bending process did not affect the non-metallic inclusion in the alloys. Also, all the bended specimens had finer grain sizethan ASTM grain size number 5 corresponding to the grain sizes of the base metal and thus the grain size of the pipe bended by induction heat bending process is acceptable. Hardness of transition start, bend, and transition end areas of ASME SA312 TP304 stainless steel was a little higher than that of base metal. Intergranular corrosion behavior was determined by ASTM A262 practice A and C and DL-EPR test, and respectively step structure, corrosion rate under 0.3 mm/y, and Degree of Sensitization (DOS) of 0.001 ~ 0.075 % were obtained. That is, the induction heat bending process didn’t affect the intergranular corrosion behavior of ASME SA312 TP304 stainless steel.
Female adnexal tumor of probable Wolffian origin: a case report
( Sang Gap Kim ),( Jin Kuk Choi ),( Gun Sik Park ),( Kyung Seo Kim ),( Gyeong Il Nam ),( Sang Yup Oh ),( Ja Seong Koo ),( Hwa Sook Moon ) 대한산부인과학회 2016 대한산부인과학회 학술대회 Vol.102 No.-
Female adnexal tumor of probable Wolffian origin (FATWO) is a rare neoplasm arising from the remnants of the mesonephric duct, such as the broad ligament most commonly, but is also occur in mesosalpynx, fallopian tube, ovary, and peritoneum. There are no comprehensible recommendations regarding its preoperative workup and optimal treatment. It can present diagnostic difficulties and the diagnosis is based on the exclusion of other neoplasms. It should be differentiated from other possibilities with careful pathological and immunohistochemical examination. Case: A 44-year-old woman presented to our hospital after being diagnosed with an ovarian cyst. A transvaginal ultrasonography demonstrated right ovarian cyst measuring 6.25 X 4.85 cm with irregular cystic margin. MRI was performed. A 6.1 X 8.5 X 7.5 cm sized oval shaped septated cystic lesion with peripheral and septal nodular enhancing portions in right adnexa was noted. Under the impression of ovarian malignancy, single port laparoscopic mass excision was carried out. The frozen section was reported as atypical cell proliferation, with no necrosis and no mitosis. But, in microscopic findings of permanent section, the result was FATWO with mild nuclear atypia, mitosis 0-2/10HPF, moderate to marked cellularity. The results of immunohistochemical stainings were positive for vimentin and inhibin, focal positive for calretinin, CK(cocktain), Ki-67, and negative for EMA. Based on these histomorphologic findings, the diagnosis of FATWO was made. During 1year postoperative follow up, there was no sign or symptom of recurrence and metastasis. Conclusion: FATWO is usually considered as a benign lesion, but has a malignant potential. Therefore patients need long-term follow up for possible recurrence and metastasis after the initial surgical treatment.