PURPOSE: To evaluate the US findings of soft tissue hemangiomas in extremities and to correlate the echo-pattern with MR signal characteristics of hemangiomas. MATERIALS AND METHODS: We retrospectively studied forty-two patients either with pathologically proven cases or with characteristic features of hemangiomas on MRI, US and plain film. Hemangiomas were divided into two types according to the locations;subcutaneous and intramuscular. Analytic points on US and MR findings were gross morphology of the mass, internal echo-pattern or signal characteristics. We correlated the echo-pattern with MR signal characteristics in hemangiomas. RESULTS: Subcutaneous hemangiomas revealed homogeneously anechoic mass on US, which were well correlated with MR signal characteristics' homogeneous low singnal intensity(SI) on Tl-weighted image(WI) and high SI on T2-WI. Intramuscular hemangiomas showed heterogeneously mixed echoic masses on US. An anechoic component on US corresponded to dilated vascular channels on MRI. The signal intensity of intramuscular hemangioma was less than that of subcutaneous fat on T1-WI and greater than that of fat on T2-WI. Both types of hemangiomas had tubular or lace-like appearance with interspersed fibrofatty septa. CONCLUSION: The echo-patterns in US were well associated with MR signal characteristics on MRI. Regarding US and MR features, intramuscular hemangiomas were different to subcutaneous hemangiomas.
Extremities* ; Hemangioma* ; Humans ; Magnetic Resonance Imaging ; Retrospective Studies ; Subcutaneous Fat

The term “vulnerable plaque” denotes the plaque characteristics that are susceptible to coronary thrombosis. Previous post-mortem studies proposed 3 major mechanisms of coronary thrombosis: plaque rupture, plaque erosion, and calcified nodules. Of those, characteristics of rupture-prone plaque have been extensively studied. Pathology studies have identified the features of rupture-prone plaque including thin fibrous cap, large necrotic core, expansive vessel remodeling, inflammation, and neovascularization. Intravascular imaging modalities have emerged as adjunctive tools of angiography to identify vulnerable plaques. Multiple devices have been introduced to catheterization laboratories to date, including intravascular ultrasound (IVUS), virtual-histology IVUS, optical coherence tomography (OCT), coronary angioscopy, and near-infrared spectroscopy. With the use of these modalities, our understanding of vulnerable plaque has rapidly grown over the past several decades. One of the goals of intravascular imaging is to better predict and prevent future coronary events, for which prospective observational data is still lacking. OCT delineates microstructures of plaques, whereas IVUS visualizes macroscopic vascular structures. Specifically, plaque erosion, which has been underestimated in clinical practice, is gaining an interest due to the potential of OCT to make an in vivo diagnosis. Another potential future avenue for intravascular imaging is its use to guide treatment. Feasibility of tailored therapy for acute coronary syndromes (ACS) guided by OCT is under investigation. If it is proven to be effective, it may potentially lead to major shift in the management of millions of patients with ACS every year.
Acute Coronary Syndrome ; Angiography ; Angioscopy ; Catheterization ; Catheters ; Coronary Thrombosis ; Diagnosis ; Humans ; Inflammation ; Pathology ; Plaque, Atherosclerotic ; Prospective Studies ; Rupture ; Spectroscopy, Near-Infrared ; Tomography, Optical Coherence ; Ultrasonography ; Ultrasonography, Interventional

The term “vulnerable plaque” denotes the plaque characteristics that are susceptible to coronary thrombosis. Previous post-mortem studies proposed 3 major mechanisms of coronary thrombosis: plaque rupture, plaque erosion, and calcified nodules. Of those, characteristics of rupture-prone plaque have been extensively studied. Pathology studies have identified the features of rupture-prone plaque including thin fibrous cap, large necrotic core, expansive vessel remodeling, inflammation, and neovascularization. Intravascular imaging modalities have emerged as adjunctive tools of angiography to identify vulnerable plaques. Multiple devices have been introduced to catheterization laboratories to date, including intravascular ultrasound (IVUS), virtual-histology IVUS, optical coherence tomography (OCT), coronary angioscopy, and near-infrared spectroscopy. With the use of these modalities, our understanding of vulnerable plaque has rapidly grown over the past several decades. One of the goals of intravascular imaging is to better predict and prevent future coronary events, for which prospective observational data is still lacking. OCT delineates microstructures of plaques, whereas IVUS visualizes macroscopic vascular structures. Specifically, plaque erosion, which has been underestimated in clinical practice, is gaining an interest due to the potential of OCT to make an in vivo diagnosis. Another potential future avenue for intravascular imaging is its use to guide treatment. Feasibility of tailored therapy for acute coronary syndromes (ACS) guided by OCT is under investigation. If it is proven to be effective, it may potentially lead to major shift in the management of millions of patients with ACS every year.

We evaluated the clinical effects of Nicorandil in 27 patients (17 male and 10 female) with ischemic heart disease (17 patients of stable effort angina, 3 patients of unstable effort angina, 6 patients of spontaneous angina, 1 patient of variant angina) in terms of the effect on the anginal pain, electrocardiographic changes and side effects. The results obtained were as follows; 1. The pulse rate was not changed by the drug administration and blood pressure were decreased slightly by Nicorandil in a daily dose of 15 mg divided into 3 dose, but these decrease were not significant in statistical meaning. 2. Improvement in EKG changes was observed in 9 patients (69%) among the 13 patients who showed abnormal EKG initially. 3. Anti-anginal effect of nicorandil were excellent in 14 patients, good in 8 patients, fair in 3 patients and so the rate of global improvement was 82%. 4. Nicorandil had side effects in 7 patients, headache (4 patients), palpitation, ocular pain, edema, but these were transitory and tolerable except of one case who could not be continued because of severe headache.
Angina Pectoris* ; Blood Pressure ; Edema ; Electrocardiography ; Headache ; Heart Rate ; Humans ; Male ; Myocardial Ischemia ; Nicorandil*

No abstract available.
Korea* ; Typhus, Endemic Flea-Borne*

No abstract available.
Korea* ; Typhus, Epidemic Louse-Borne*

Capsule endoscope is self-contained videoendoscopy device that transmit images of the gastrointestinal tract to an external receiver. Capsule endoscopy has become a very important tool for diagnosing of small bowel disorders. Upcoming capsule endoscopy techniques for the investigation of esophageal, stomach, and colon may render it promising technique for these organs as well. This document is intended to provide the principles by which credentialing organizations may create practical guidelines for granting privileges to perform capsule endoscopy. KSGE recommends that the use of capsule endoscopy be limited to practitioners already competent and privileged to perform standard upper and lower endoscopy and who have extensive experience viewing gastrointestinal mucosa. KSGE recommends additional specific training in capsule endoscopy as well as review of the 20 procedures to verify competence. KSGE also admitted formal fellowship training having a familiarity with the hardware and software systems and interpretation of the at least 10 cases under the supervision of professor in capsule endoscopy during GI fellowship.
Capsule Endoscopes ; Capsule Endoscopy ; Colon ; Credentialing ; Endoscopy ; Endoscopy, Gastrointestinal ; Fellowships and Scholarships ; Financing, Organized ; Gastrointestinal Tract ; Mental Competency ; Mucous Membrane ; Organization and Administration ; Recognition (Psychology) ; Stomach

Postpneumonectomy syndrome is a disease entity which arises after right pneumonectomy in left aortic arch and left pneumoncectomy in right aortic arch. This syndrome have a feature of severe mediastinal deviation and rotation, and induces severe respiratoy insufficiency. This syndrome is rare, but should be considered when pneumonectomized patient complaints who have severe dyspnea. In Samsung medical center, We report a sucessfully treated patient with postpneumonectomy syndrome, who had experienced right pneumonectomy at 1 years ago.
Aorta, Thoracic ; Dyspnea ; Humans ; Pneumonectomy ; Postoperative Complications

Neurilemmoma, also refired to as Schwannoma, neurinoma and perineural fibroblastoma, is well capsulated solitary tumor of Schwann cell origin. The most common sites for benign solitary neurilemmoma are the extremities or the head and neck region. In the retroperitoneum, they are commonly seen in the presacral region. It is incidentally detected and confirmed by pathologic findings. We report a case of retroperitoneal neurilemmoma arising from adjacent to kidney, in 49 years old man.
Extremities ; Head ; Humans ; Kidney* ; Middle Aged ; Neck ; Neurilemmoma*

No abstract available.
Antigens, Neoplasm/metabolism ; Bone Neoplasms/diagnosis/drug therapy/secondary ; Disease Progression ; Humans ; Interferons/therapeutic use ; Liver Neoplasms/diagnosis/drug therapy/secondary ; Male ; Melanoma/*diagnosis/pathology/surgery ; Middle Aged ; Neoplasm Proteins/metabolism ; Positron-Emission Tomography ; Rectal Neoplasms/*diagnosis/pathology/surgery ; S100 Proteins/metabolism ; Tamoxifen/therapeutic use ; Tomography, X-Ray Computed