- Structural-Functional Relationships in Renal Amyloidosis.
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Myeong Cherl Kook, Hyun Soon Lee
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Korean J Pathol. 1997;31(11):1190-1199.
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 Abstract
- The pathogenetic mechanism of renal dysfunction in renal amyloidosis is poorly understood. To evaluate the morphologic parameters which are correlated with renal function in this disorder, we have examined renal biopsies from 14 patients with renal amyloidosis by morphometry. Of the 14 patients, 8 were male and 6 were female. They were between 41 and 70 years of age. The serum concentration of albumin and creatinine were 2.1+/-0.7 mg/dl and 1.1+/-0.5 mg/dl, respectively. The 24-hour excretion of urinary protein was 7.9+/-5.2 g. Creatinine clearance was 62+/-23 ml/min/1.73m2. The mean glomerular volume (MGV) was (2.2+/-1.3) 10(6) micrometer3. The surface density of peripheral glomerular basement membrane [Sv (PGBM/glom)] was 0.049+/-0.027 (micrometer3/micrometer3). Volume density of mesangium [Vv (mes/glom)] was 0.31+/-0.14 (micrometer3/micrometer3) and volume density of glomerular amyloid deposition [Vv (amyl/glom)] was 0.21+/-0.14 (micrometer3/micrometer3). The volume density of cortical interstitium [Vv (int/cortex)] was 0.14+/-0.09 (micrometer3/micrometer3). The serum creatinine concentration was significantly correlated with Vv (int/cortex) (r=+0.66, p<0.05). MGV was correlated with Vv (mes/glom) (r=+0.75, p<0.01) and Vv (amyl/glom) (r= +0.68, p<0.05) but showed negative correlation with Sv (PGBM/glom) (r=-0.79, p<0.01). Sv (PGBM/glom) showed negative correlation with Vv (mes/glom) (r=-0.77, p<0.01) and with Vv (amyl/glom) (r=-0.87, p<0.01). Positive correlation was observed between Vv (mes/glom) and Vv (amyl/glom) (r=+0.95, p<0.01). These results suggest that the decreased renal function in patients with amyloidosis is related to interstitial fibrosis rather than glomerular lesions. In addition, glomerular hypertrophy in these patients is related to amyloid deposition in the mesangium and peripheral glomerular basement membrane.
- Primary Necrotizing Granulomatous Vasculitis of the Stomach.
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Myeong Cherl Kook, Sang Yong Song, Yong Il Kim, In Sung Song, Keun Wook Lee
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Korean J Pathol. 1997;31(1):68-74.
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Abstract
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- A 55-year-old woman suffered from upper abdominal pain for two months and remained refractile against the anti-ulcer regimen. The palliative gastrectomy specimen revealed multiple shallow ulcerations on the thickened mucosal folds mainly in the antrum and body along the greater curvature where multiple, whitish nodules were found in the submucosa.
Microscopically, individual submucosal nodules clearly corresponded to the necrotizing granulomatous vasculitis which were featured with diffuse fibrinoid necrosis of arterial walls accompanying granuloma formation and heavy infiltration of neutrophils, eosinophils, histiocytes and giant cells. Similar vasculitic lesions involved venules and arterioles. There were scattered vasculitic changes in the liver biopsy specimens and omentum. There were no clinical presentations or serological support of systemic involvement including systemic lupus erythematosus, Henoch-Schoenlein purpura, cryoglobulinemia or Churg-Strauss granulomatous vasculitis. We conclude that this is a hitherto undescribed primary necrotizing granulomatous vasculitis predominantly involving the stomach.
- Application of the Revised Case Matrix Format to Tutorial in Pathology Teaching: An Interim Approach toward Problem-Based Learning under Traditional Curricular Structure.
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Yong Il Kim, Chong Jai Kim, Gee Young Kim, Chul Woo Kim, Woo Ho Kim, Ja June Jang, Je Geun Chi, Gyeong Hoon Kang, Myeong Cherl Kook, Jung Sun Kim, Tae Sook Kim, Gee Young Kwon, So Dug Lim
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Korean J Pathol. 1996;30(8):570-661.
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Abstract
- This paper describes a student-centered case study program concerning the tumor pathology course for first year students in medical school under the traditional curricular structure. A traditional, discipline-oriented, lecture-laboratory approach was partly modified by introducing a tutuorial session using a modified case matrix format during the laboratory hours without altering the general scheme of the existing system. Small group tutorial sessions were set with the development of learning objectives emphasizing clinicopathologic reasoning and early exposure to future practical presentation which was followed by the large class session; each tutorial was supplied with a short clinical history, gross kodachrome slides, and microslides. The session for problem identification was replaced by proving a series of instructor-designed questions for both pathology and interdisciplinary correlation during which pedagogical implication was stressed the most. Student's active participation, development of self learning skill and vigorous teaching-learning process among students, and motivation/relevance for forthcoming pathology study were among the benefits conferred by this modification. We conclude that this approach is an interim step to meet the advantages of problem-based learning even in a traditional curricular structure.
- VATER Association: Three autopsy case reports with imusual defects.
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Mi Ja Lee, Myeong Cherl Kook, Je G Chi
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Korean J Pathol. 1995;29(5):678-683.
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Abstract
- VATER association represents vertebral defects, anal atresia, tracheo-esophageal fistula with without esophageal atresia, renal defects and radial limb dysplasia. The probability of the simultaneous occurrence of any three of these defects is so unlikely that it suggests a sporadic non-random association. This non-random association appears to be related to some chromosomal anomalies, the caudal regression syndrome, mesodermal defects in early developmental period or the matemal use of sex hormones during embryogenesis. We report three autopsy cases of the VATER association that showed most of the known major and minor defects as well as an unusual concurrence of other defects, i.e., scoliosis, talipes varus, absent penis, urethral agenesis and stenosis, rectourethral fistula, rib anomaly, single umbilical artery, Meckel's diverticulum, diaphragmatic hemia, absent rectum, short neck, simian crease, low set ear, and hypoplastic lung.
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