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변형근치 유방절제술시행7년 후 기관지 내 전이로 재발된 유방암 1예
맹일호,강현희,강민규,송윤미,이상학,문화식,민기옥,이배영,박찬범,진웅,최승혜 한국유방암학회 2009 Journal of breast cancer Vol.12 No.2
A 39-year-old woman was admitted to our hospital because of her chronic cough. She had undergone modified radical mastectomy for breast cancer 7 year before admission. A chest radiograph showed collapse of the left upper lobe (LUL) and computed tomography of the chest revealed a mass in the proximal portion of the LUL bronchus and distal atelectasis. Bronchoscopy showed obstruction of the LUL bronchus. The microscopic examination showed findings consistent with breast cancer with the same immunohistochemical features for the hormone receptors, as compared to those features of the previously resected tumor. Positron emission tomography showed increased fluorodeoxyglucose uptake only in the LUL. Left upper lobectomy was performed and she is now undergoing systemic hemotherapy. We report here on this rare case to emphasize that when a patient with a history of breast cancer complains of respiratory symptoms, and even though the patient was treated curatively a long time ago, we should suspect the possibility of endobronchial metastasis.
고선희,김석환,맹일호,김군순,장이선,김혜수,이종민,박석영,강상범 대한내분비학회 2010 Endocrinology and metabolism Vol.25 No.2
Non-islet cell tumor induced hypoglycemia (NICTH) is attributable to overproduction of insulin-like growth factor-II (IGF-II) by solid tumors, and these tumors usually originate from mesenchymal or epithelial cells. Gastrointestinal stromal tumor (GIST) is a rare mesenchymal tumor and most commonly find in the gastrointestinal tract. It is usually expresses the CD117 (stem cell factor receptor,c-kit) detected by immunohistochemistry. Hypoglycemia associated with GIST is very rare and this has not yet been reported in Korea. A 72-year-old man was hospitalized due to frequent episodes of confusion. It was observed that non-hyperinsulinemic hypoglycemia,an elevated serum IGF-II level and a huge liver mass. The histology of liver mass showed c-kit (CD117) positivity, which was consistent with GIST, but it was surgically unresectable. He was treated with imatinib mesylate. Although he recieved palliative treatment, he still experienced intermittent fasting hypoglycemia. After 2 months, the serum IGF-II level was even higher than before. We changed imatinib mesylate to sunitinib malate and performed radiotherapy on the liver mass. Although the change of the liver mass was not significant, he did not suffer from hypoglycemia for three months afterwards
Hu Zhou,맹일호,구용환,김혜원,박지현,강현석,이병철,박용해,김상호 한국고분자학회 2013 Macromolecular Research Vol.21 No.11
The rheology of cellulose derivatives dissolved in highly viscous solvent was studied. Results demonstrated that a concentration-dependent transition occurred at ca. 10 vol% for ethyl cellulose, and at ca. 2.0 vol% for hydroxypropyl cellulose. Below the transition point, steady shear viscosity of solutions showed weak concentration dependency. The exponent of the power law model was about 3.7. Above the transition, the viscosity was strongly dependent on the concentration. Further studies showed that such a transition strongly depended on the association between chains. Above the transition point, their long-time dynamics were dominated by the hydrogen bonds acting as the transient cross-links between chains. While below this point, long-time dynamics were governed by the percolation statistics. As a result, their viscosities indicated different concentration dependence relationships. Our studies showed that the entanglement and association behaviors were different, for the flexible and semi-flexible chains.
Extensive Primary Cardiac Lymphoma Diagnosed by Percutaneous Endomyocardial Biopsy
진정연,이재학,맹일호,정수연,황희정,윤호중,정미향,김진진,김지현,이재범 한국심초음파학회 2009 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.17 No.4
Primary cardiac lymphoma (PCL) is an extranodal non-Hodgkin’s lymphoma exclusively located in the heart and/or pericardium. It is rare in immunocompetent patients and represents 1.3% of primary cardiac tumors and 0.5% of extranodal lymphomas. The clinical behavior is aggressive and the early symptoms are cardiac failure, syncope, arrhythmia, or pericardial effusion. Although echocardiography, computed tomography (CT) scan, magnetic resonance image (MRI) are the mainly used imaging techniques to detect cardiac tumors, pathologic examination is always required to confirm the diagnosis. Diagnosis of PCL is difficult due to non-specific clinical manifestations and requires invasive approach to get histopathologic evidence. While surgery with systemic chemotherapy or in combination with irradiation has been attempted, the only effective treatment is chemotherapy. However, the prognosis remains poor. We report on a 42-year-old woman who is diagnosed histopathologically as PCL by cardiac catheterization assisted percutaneous endomyocardial biopsy and treated successfully by anthracycline based chemotherapy. Primary cardiac lymphoma (PCL) is an extranodal non-Hodgkin’s lymphoma exclusively located in the heart and/or pericardium. It is rare in immunocompetent patients and represents 1.3% of primary cardiac tumors and 0.5% of extranodal lymphomas. The clinical behavior is aggressive and the early symptoms are cardiac failure, syncope, arrhythmia, or pericardial effusion. Although echocardiography, computed tomography (CT) scan, magnetic resonance image (MRI) are the mainly used imaging techniques to detect cardiac tumors, pathologic examination is always required to confirm the diagnosis. Diagnosis of PCL is difficult due to non-specific clinical manifestations and requires invasive approach to get histopathologic evidence. While surgery with systemic chemotherapy or in combination with irradiation has been attempted, the only effective treatment is chemotherapy. However, the prognosis remains poor. We report on a 42-year-old woman who is diagnosed histopathologically as PCL by cardiac catheterization assisted percutaneous endomyocardial biopsy and treated successfully by anthracycline based chemotherapy.
김준성,정대영,박수헌,김혜강,맹일호,김수연,김진일,김재광 대한소화기학회 2007 대한소화기학회지 Vol.50 No.1
Crohn's disease and ulcerative colitis are well known risk factors of intestinal cancer in relation to the extent and duration of disease. Rarely, small bowel cancer can develop after a longstanding inflammation of Crohn's disease with a relatively higher incidence than the general population. Signet ring cell carcinoma is a rare condition among intestinal cancers, and the diagnosis or detection is more difficult if the cancer originates from the small bowel. We report a case of a 30-year old female in whom signet ring cell carcinoma of ileum was diagnosed after a 15-year history of Crohn's disease. (Korean J Gastroenterol 2007;50:51-55)
김준성 ( Joon Sung Kim ),정대영 ( Dae Young Cheung ),박수헌 ( Soo Heon Park ),김혜강 ( Hye Kang Kim ),맹일호 ( Il Ho Maeng ),김수연 ( Su Yoen Kim ),김진일 ( Jin Il Kim ),김재광 ( Jae Kwang Kim ) 대한소화기학회 2006 대한소화기학회지 Vol.50 No.1
Crohn`s disease and ulcerative colitis are well known risk factors of intestinal cancer in relation to the extent and duration of disease. Rarely, small bowel cancer can develop after a longstanding inflammation of Crohn`s disease with a relatively higher incidence than the general population. Signet ring cell carcinoma is a rare condition among intestinal cancers, and the diagnosis or detection is more difficult if the cancer originates from the small bowel. We report a case of a 30-year old female in whom signet ring cell carcinoma of ileum was diagnosed after a 15-year history of Crohn`s disease. (Korean J Gastroenterol 2007;50:51-55)
정해빈 ( Hae Bin Jeong ),강현희 ( Hyeon Hui Kang ),임은주 ( Eun Joo Im ),김현경 ( Hyun Gyung Kim ),이수연 ( Su Yeon Lee ),맹일호 ( Il Ho Maeng ),이지명 ( Ji Myoung Lee ),장은희 ( Eun Hee Jang ),이상학 ( Sang Haak Lee ),문화식 ( Hw 대한결핵 및 호흡기학회 2008 Tuberculosis and Respiratory Diseases Vol.65 No.3
Rectus sheath hematoma (RSH) is a rare condition that`s caused by a sudden disruption of the deep epigastric vessels or direct damage to the rectus abdominis muscle. This condition is associated with old age, childbirth, abdominal surgery, severe cough, severe sneezing, anticoagulation therapy and/or coagulation disorders. RSH is characterized by abdominal pain and an abdominal mass, so that this is often misdiagnosed as a surgical condition such as appendicitis, intraabdominal abscess, torsion of the ovary and ruptured abdominal aortic aneurysm; this can lead to unnecessary surgery. Thus, we have to be cautious not to miss RSH when a patient with predisposing factors is suffered from abdominal pain and an abdominal mass. We report here on a case of rectus sheath hematoma that was induced by severe cough in a patient who was taking warfarin. (Tuberc Respir Dis 2008;65: 212-215)