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단클론성 IgG 침착을 동반한 증식성 사구체 신염 1예
차정민,정덕은,송주흥,안선호 圓光大學校 醫科學硏究所 2008 圓光醫科學 Vol.23 No.2
Proliferative glomerulonephritis with monoclonal IgG deposits is a novel phenotype of glomerular injury with the diagnostic criteria of (1) the presence of glomerular monoclonal IgG deposits restricted to a single IgG subclass and a single light chain isotype, associated with endocapillary proliferative, membranoproliferative, or membranous features; (2) the presence of granular("immune complex type") deposits by electron microscopy; and (3) the absence of clinical and laboratory evidence of cryoglobulinemia. We report a case of 65-year-old man with generalized edema who was diagnosed as proliferative glomerulonephritis with monoclonal IgG deposits by renal biopsy.
최두환,구시선,배승훈,박병현,안선호,송주흥 圓光大學校 醫科學硏究所 1996 圓光醫科學 Vol.12 No.2
To elucidate the incidences and the clinical characteristics of glomerular diseases in our hospital, we reviewed the clinical records and histological findings of the 117 cases, which were diagnosed as one of the glomerular disease in renal biospy for about 6 years since 1991. In these 117 cases, 74 cases (63.2 %) fell into primary glomerulonephritis(GN), 18 cases (15.4%) into secondary GN, 2 cases (1.7 %) into end stage kidney, 4 cases (3.4%) into tubulointerstitial disease and the biopsy samples were inadequate for diagnosis in 19 cases. In primary glomerular diseases, most common pathologic diagnosis was IgA nephropathy (36.5 %}, followed by minimal change nephrotic syndrome (29.7%). The incidence of IgA nephropathy would be increased if we had biopsied every asymptomatic urinary abnormality (AUA) patients. Systemic lupus erythematosus (SLE) . hepatitis B accounted for most of secondary GN in our cases. One case of progressive scleroderma was included in this secondary GN. Minimal change nephrotic syndrome (22 cases) was the most common cause of nephrotic syndrome, followed by membranous GN (9 cases) and IgA nephropathy (8 cases). 2 cases of primary amyloidosis were presented with nephrotic syndrome. Nephrotic syndrome as presenting symptom in our IgA nephropathy patients was higher than in other studies, which may be due to indication bias for renal biopsy. We suggest that renal biopsy should be done in adult nephrotic syndrome and in SLE, because various kind of glomerular diseases can develop nephrotic syndrome in adult, renal biopsy can affect the treatment and prognosis in each patients and renal biopsy also determines the extent of renal involvement in SLE on which the treatment depends. In AUA urinary patients, renal biopsy could be reserved for the patients who show declining of GFR or rising of proteinuria. Because IgA nephropathy account for most of AUA. and there is no specific treatment for IgA nephropathy, and renal biopsy in those cases is helpful in ruling out the patients who need no treatment.
( Song I Lee ),( Byung Hun Lim ),( Jae Hong Lim ),( Duk Eun Jung ),( Jung Sub Song ),( Ju Hung Song ),( Seon Ho Ahn ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Introduction: Baclofen is a gamma-aminobutyric acid(GABA) derivative which is commonly used for hiccup, and spinal origin spasm, pain. baclofen side effects are nausea, vomit, dizziness, weakness, mental state change and respiratory depression. Baclofen is primarily excreted by glomerular fi ltration, so pharmacokinetic of baclofenis signifi cantly affected by kidney disease. In a patient receiving hemodialysis, baclofen toxicity is often reported. However, baclofen toxicity in patients with chronic kidney disease is not reported in korea. This paper reports one case of baclofen toxicity in a patients with chronic kidney disease who does not receiving hemodialysis. Case: A 78 year old patient with chronic kidney disease was admitted due to drowsy mental status after 4days of baclofen treatment in urologic department due to hiccup control. On physical examination, there were no focal neurologic defi cits. Laboratory data showed hyperkalemia and no another abnormality. Brain computed tomography and brain magnetic resonance imaging showed no evidence of acute cerebral hemorrhage or infarction. EEG showed no specifi c abnormality. However correcting serum potassium level, the patient`s mental state didn`t change. After 4days of conservative treatment with baclofen quit, neurologic abnormality was completely recovered. Because the patient maintained normal state of consciousness and no evidence of mental and neurologic abnormality, he was discharged after 12 days of hospitalized day. He is attended hospital outpatients and no abnormality is observed. Conclusions: In conclusion, Physicians should be aware of the possibility of baclofen- induced encephalopathy in old aged patients with chronic kidney disease, and start low dose baclofen in these patients.
송주흥(Ju Hung Song),최인태(In Tae Choi),채수인(Soo In Chae),김영준(Young June Kim),나용호(Yong Ho Na) 대한소화기학회 1986 대한소화기학회지 Vol.18 No.1
A prospective esophageal manometry using the high-fidelity recording equipment was performed in 35 healthy Korean. The manometric data of this study showed: 1) 3.4(+-0.67)cm for LES length; 19.8(+-7.05)mmHg for LES pressure; 7.43(+-2.21) sec. For the relaxation time of LES; 21.9(+-2.7)cm for the length of esophageal body; 28.3(+-13)~ 55.7(+-11)mmHg for the amplitude of esophageal contractions; 3.2(+-0.6)~3.8(+-1.0)sec. For the duration of the contraction waves; 3.1(+-1.2)~6.6(+-2.3)cm/sec. For the velocity of the contraction waves; 2.6(+-0.9)cm for UES length; 0.95(+-0.3)sec. For the relaxation time of UES, 2) Radial pressure asymmetry of the LES was observed. The highest pressure occurred in the posterior direction and the lowest pressure in the right direction. 3) Abnormal esophageal responses to swallowing including aperistalsis, breaking waves, simultaneous contraction, spontaneous contraction, double peaked contraction and repetitive contraction were observed rarely in healthy subjects.
임신 후반기에 진단된 쿠싱 증후근 산모에서 미숙아 분만후 부신적출술을 경험한 1 예
송광식,이기영,송석호,양달모,강문호,김홍규,황재경,주기탁,이항진,서찬종,박혜영,오영하 대한내분비학회 2001 Endocrinology and metabolism Vol.16 No.1
We experienced a case of Cushing's syndrome due to adrenocortical adenoma associated with 3lth week (third trimester) pregnancy in a 29 year-old female patient. The patient complained of generalized weakness, fatigue, and febrile sensation. On physical examinations, hypertension, moon face, plethoric face, abdominal striae, and scattered petechiae were found. Laboratory findings showed increased serum cortisol (AM 8:00.8 pg/dL, PM 1l:0054.9 pg/dL), increased 24 hours-urinary free cortisol (1,598 pg/day), and decreased plasma ACTH (AM 8:00.41 pg/mL, PM 11:005.66 pg/mL) and not suppressed high dose dexamethasone suppression test. Abdominal MRI demonstrated 3?4 cm sized well marginated and round shaped left adrenal mass. At the 31th week of pregnancy, unexpectedly ruptured membrane was developed. She delivered baby weigting 1.3 kg through induction vaginal delivery. Unilateral adrenalectomy was performed after delivery and the mass was canfirmed to be benign adrenal adenoma. Steroid replacement therapy was contnued with 5mg prednisolone after left adrenalectomy. After unilateral adrenalectomy and conservative management, her symptoms was improved gradually (J Kor Soc Endocrinol 16:134-139, 2001).
Delamination strength of composite curved beams reinforced by grooved stainless-steel Z-pins
Ju, Hyunwoo,Nguyen, Khanh-Hung,Chae, Song-Su,Kweon, Jin-Hwe Elsevier 2017 Composite structures Vol.180 No.-
<P><B>Abstract</B></P> <P>When a laminated composite structure with curvature is subjected to a bending load, the most important failure mode is due to delamination in curved regions. In this study, the reinforcement effect of grooved Z-pins is investigated for preventing delamination of curved beams. Through a four-point bending test, the effect of stainless-steel pin diameter and areal density on bending failure of curved beams is studied. For areal pin densities of 0.5, 1.0, and 2.0%, pin diameters of 0.3 and 0.5mm result in average pin strength increases of 21, 27, and 42% and 8.7, 12, and 32%, respectively. When the pin size is small, the pin is inserted closer to 90° from the mid-plane, a smaller resin-rich zone is generated, and there is less laminate damage.</P>