1.A indication for small bowel resection.
Journal of the Korean Surgical Society 1991;40(1):61-67
No abstract available.
2.Functioning Parathyroid Carcinoma: A case report.
Kyoung Chan CHOI ; Won Hee CHOI
Korean Journal of Pathology 1996;30(2):169-172
Parathyroid carcinoma is a relatively rare endocrine tumor, accounting for approximately 1 to 5% of patients with primary hyperparathyroidism. Patients with parathyroid carcinomas are often symptomatic, have markedly elevated calcium levels, and have a palpable cervical mass. They are equally distributed between the sexes and usually present 10 years before their benign counterparts. The diagnosis is suspected when the tumor is large, parathyroid hormone levels are high, and a palpable mass is present in the neck. Parathyroid carcinoma is often misdiagnosed preoperatively, suspected intraoperatively, and only confirmed postoperatively. We experienced a case of hyperfunctioning parathyroid carcinoma in a 36 year old man, which was confirmed microscopically. The tumor showed: 1) capsular and blood vessel invasion; 2) frequent mitotic figures in the parenchymal cells; 3) a trabecular pattern, and 4) intervening thick fibrous bands. Immunohistochemical stain of p53 may be one of the useful methods in identifying malignancy of parathyroid gland.
3.Immunohistochemical Study on the Expression of Bcl-2 and p53 Protein in Gastric Adenocarcinoma.
Korean Journal of Pathology 1997;31(12):1282-1290
This study was carried out to investigate the immunohistochemical expression of bcl-2 and p53 protein in the intestinal type and the diffuse type of gastric adenocarcinoma by Lauren's classification. A total of 100 cases, including 50 cases of the intestinal type and 50 cases of the diffuse type from paraffin embedded gastrectomy specimens, were immunohistochemically stained for bcl-2 and p53 protein. Bcl-2 protein was expressed in 38% (19/50) of intestinal type and 30% (15/50) of diffuse type. The incidence of bcl-2 protein expression was higher in the intestinal type than in the diffuse type, but no significant correlation was present (p>0.05). p53 protein was expressed in 68% (34/50) of the intestinal type and 60% (30/50) of the diffuse type. The incidence of p53 protein expression was higher in the intestinal type than in the diffuse type, but no significant correlation was present (p>0.05). And an expression of bcl-2 and p53 protein did not correlate with depth of invasion, lymph node meatastasis and TNM stage, respectively (p>0.05). These results suggest that bcl-2 and p53 gene alteration appear to play a more important role in the carcinogenesis of the intestinal type than the diffuse type. However, there is no significant difference between the intestinaPU: The Korean Society of Pathologistsl type and the diffuse type in bcl-2 and p53 protein expression.
Adenocarcinoma*
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Apoptosis
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Carcinogenesis
;
Classification
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Gastrectomy
;
Genes, p53
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Incidence
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Lymph Nodes
;
Paraffin
4.The Incidence of parasites found of vegetables.
The Korean Journal of Parasitology 1967;5(3):153-158
The high incidence of intestinal parasites among the Korean people almost same as 40 years ago might be partly interpreted by the fact that they are all fond of raw vegetables cultivated on the farms fertilized with non-treated night soil. The cabbages, onions and radishes were collected from the five areas of Seoul vicinity and the number of parasites attached to those vegetables were investigated to compare with the results obtained 10 years ago by the same methods of sampling and examination as the present survey. The resultant findings were summarized as follows: The eggs of Ascaris, hookworm, Trichostrongylus and whipworm, rhabditoid larvae and filariform larvae of hookworms were detected from those vegetables. Additionally, a number of larvae of free living nematodes and morphologically undetermined eggs were also observed. The maximum number of parasites found from one vegetable were as follows: 16 Ascaris eggs on a cabbage, 27 hookworm eggs on an onion, 8 whipworm eggs on a cabbage, 68 filariform larvae of hookworm on an onion. The onions were highly contaminated by the number of parasites as much as 177.6 including the larvae of free living nematodes, the next being the cabbages with 25.3 and the radishes with 4.1 in average. No notable relationship was observed between the size of vegetables and the number of parasites attached to them. Ascaris eggs were found from 56 percent of all cabbages, 28 percent of the onions and 40 percent of the radishes; whipworm eggs were detected on 40 percent of radishes and the filariform larvae of hookworms were observed from 40 percent of onions examined. It may be concluded that there is no notable change in the number of parasites attached to the vegetables collected from the Seoul vicinity compared to the results investigated by the same method 10 years ago.
parasitology-helminth-nematoda-Ascaris
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hookworm
;
Trichuris trichiura
;
epidemiology
;
vegetable
5.Prognostic Factors of Physeal Bar Resection and Fat Graft Interposition in the Treatment of Partial Physeal Arrest
The Journal of the Korean Orthopaedic Association 1996;31(4):649-658
This purpose of this study was to evaluate the possible prognostic factors of physeal bar resection in the treatment of partial physeal growth arrest. From January 1979 to October 1993, 23 skeletally immature patients (16 males, 7 females) underwent physeal bar resection and fat graft interposition. The age was ranged from 1 year 8 months to 16 years 9 months (average 8 years 9 months). The follow-up period was ranged from 12 months to 10 years 6 months (average 3 years 4 months). The results of the surgery were categorized into 4 groups on the basis of relative growth ratio (RGR), spontaneous angular correction after physeal bar resection, disappearance of converging growth arrest lines, and the viability & proximal migration of the interposed fat verified by follow-up MRI. The RGR was assessed as a percentage of the contralateral limb segment: change in length of operated limb segment divided by change in length of unoperated limb segment multiplied by 100. The angular correction was calculated as the difference of the degrees of angular deformity between the preoperative and the latest follow-up visit. In the sixteen cases which required concomitant operations (osteotomy, Ilizarov method of for lengthening or deformity correction), their contribution to the angular correction was excluded in the calculation. The etiology of partial physeal arrest consisted of fracture (17), infection (5), and leukemia (1). In 10 of 17 fracture cases in which initial radiographs were available, the Salter-Harris types were assessed. There were type II (2), type III (2) and type IV (6) fractures. Distal femur was the most common site of physeal arrest (13), followed by distal tibia (7), proximal tibia (2), and distal radius (1). There were peripheral (9), combined (6), central (5) and linear (3) types of physeal bar. The nine variables including preoperative limb length discrepancy and degree of angulation, age, onset, etioloty of physeal arrest, Salter-Harris type of epiphyseal injury, site of the arrested physis, type and size.
Congenital Abnormalities
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Extremities
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Femur
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Follow-Up Studies
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Humans
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Ilizarov Technique
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Leukemia
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Magnetic Resonance Imaging
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Male
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Radius
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Tibia
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Transplants
6.The anti-tubercular activity of Melia azedarach L. and Lobelia chinensis Lour. and their potential as effective anti-Mycobacterium tuberculosis candidate agents
Asian Pacific Journal of Tropical Biomedicine 2016;6(10):830-835
Objective: To evaluate the anti-mycobacterial activity of Melia azedarach L. (M. azedarach) and Lobelia chinensis Lour. (L. chinensis) extracts against the growth of Mycobacterium tuberculosis (M. tuberculosis).
Methods: The anti-M. tuberculosis activity of M. azedarach and L. chinensis extracts were evaluated using different indicator methods such as resazurin microtiter assay (REMA) and mycobacteria growth indicator tube (MGIT) 960 system assay. The M. tuberculosis was incubated with various concentrations (50–800 mg/mL) of the ex-tracts for 5 days in the REMA, and for 4 weeks in MGIT 960 system assay.
Results: M. azedarach and L. chinensis extracts showed their anti-M. tuberculosis ac-tivity by strongly inhibiting the growth of M. tuberculosis in a concentration-dependent manner in the REMA and the MGIT 960 system assay. Particularly, the methanol extract of M. azedarach and n-hexane extract of L. chinensis consistently exhibited their effects by effectively inhibiting the growth of M. tuberculosis in MGIT 960 system for 4 weeks with a single-treatment, indicating higher anti-M. tuberculosis activity than other extracts, and their minimum inhibitory concentrations were measured as 400 mg/mL and 800 mg/mL, respectively.
Conclusions: These results demonstrate that M. azedarach and L. chinensis extracts not only have unique anti-M. tuberculosis activity, but also induce the selective anti-M. tuberculosis effects by consistently inhibiting or blocking the growth of M. tuberculosis through a new pharmacological action. Therefore, this study suggests the potential of them as effective candidate agents of next-generation for developing a new anti-tuberculosis drug, as well as the advantage for utilizing traditional medicinal plants as one of effective strategies against tuberculosis.
7.A Case Report of Renal Cell Carcinoma in a Polycystic Kidney: A case report.
Kyoung Chan CHOI ; Joon Hyuk CHOI ; Won Hee CHOI
Korean Journal of Pathology 1996;30(1):57-60
A forty-nine-year-old woman with polycystic disease had a right nephrectomy for what was preoperatively thought to be a polycystic disease, but at surgery turned out to be a tumor based on frozen section. Microscopic examination revealed papillary type, renal cell carcinoma with classical features of adult polycystic kidneys. Radiologic findings revealed multiple cysts in the liver. The clinical recognition of a carcinoma developing in polycystic kidneys is often difficult because of the presence of preexisting large renal masses and occasional hematuria. Renal cell carcinoma should be thought of when confronted with abdominal pain or back pain, severe hematuria, sudden dysuria or a new renal mass occurring in a patient with polycystic kidneys.
Adult
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Male
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Female
;
Humans
;
Cysts
8.Indirect fluorescent antibody test for diagnosis of paragonimiasis.
Won Young CHOI ; Won Koo LEE ; Ok Ran LEE
The Korean Journal of Parasitology 1975;13(2):152-158
Indirect fluorescent antibody tests were performed with sera of paragonimiasis patients and skin test positive sera against Paragonimus antigen. Paragonimus antigen was prepared from lyophilized adult worms of P. westermani by defatting with ethyl-ether before extracting with barbital buffered saline. Preparation of Paragonimus antigen for the indirect fluorescent antibody test was based upon Sato's method used for sero-diagnosis of anisakiasis, with Sephadex G-25 instead of Sepharose 4B. The results were as follows: The indirect fluorescent antibody titers of paragonimiasis patient's sera ranged from 1:64 to 1:512, whereas the control sera showed titers of less than 1:16. As controls, Clonorchis patient's sera and parasite-free healthy human sera were used. In indirect fluorescent antibody tests, the skin test positive human sera against Paragonimus antigen showed a positive rate of 41.5 per cent in the case of titers more than 1:40. On the other hand, complement fixation tests on the same sera showed a positive rate of 32.5 per cent in the case of titers more than 1:20.
parasitology-helminth-trematoda
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paragonimiasis
;
Paragonimus westermani
;
diagnosis
;
indirect fluorescent antibody tests
;
serum
;
ethyl-ether
9.In vivo Expansion of Contact Sensitivity Transferred by Allogeneic Spleen Cells in Guinea Pigs.
Guk Joo CHOI ; Chung Won KIM ; Won HOUH
Korean Journal of Dermatology 1984;22(4):404-408
No abstract available.
Animals
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Dermatitis, Contact*
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Guinea Pigs*
;
Guinea*
;
Spleen*
10.The clinical analysis of choledochal cyst.
Seok Won CHIM ; Young Joo LEE ; Won Jin CHOI
Journal of the Korean Surgical Society 1993;45(4):527-535
No abstract available.
Choledochal Cyst*