17 research outputs found
(A) clinical and histopathological study of the skin tumors among Koreans
μνκ³Ό/μμ¬[νκΈ]
νΌλΆλ νμνμ μΌλ‘ μΈλ°°μ½μ±κ³Ό μ€λ°°μ½μ± μ±λΆμ μνΈμμ©μΌλ‘ λ°μλλ©°, λ°μκ³Όμ μ λ°λΌ κ·Έ κ΅¬μ‘°κ° λ³΅μ‘νλ©° μ 체λΆμμ λ°λΌ μ‘°μ§νμ μΌλ‘ μλ‘ λ€λ₯΄λ―λ‘ νΌλΆμμ λ°μνλ μ’
μλ€μ λ€λ₯Έ κΈ°κ΄μμ λ°μνλ μ’
μμ λΉν΄ κ·Έ μ’
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μμ λνμ¬ κ·Έ μμμ λ° λ³λ¦¬ μ‘°μ§νμ νΉμ΄μ±μ μ΄κ΄μ μΌλ‘ νμ
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λμ μ°μΈ μλ£μ λ³λ¦¬ν κ΅μ€μμ νμ§λ νΌλΆμ’
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1. νΌλΆμ’
μ μ΄ 1905μ μ€, νΌλΆ μ μ’
μμ΄ 172μ (9.0%), μμ± μ’
μμ΄ 1369μ (71.9%), μ ꡬμμ΄ 59μ (3.1%), μ
μ±μ’
μμ΄ 305μ (16.0%) μλ€.
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4. μ μ’
μμμλ λΉνμ± λ°νΌκ³Ό ν΄μ‘±μ¦ (μΌλ‘μ΄λ, keloid)μ λΉλκ° κ°μ₯ λ§μκ³ μ¬μ μνΌμ’
(fibroepithelioma, soft fibroma, cutaneous tag), μ§μ λͺ¨λ° (nevus sebaceous)μ μμμμΌλ©° μμ± μ’
μμμλ ννΌ λμ’
μ΄ κ°μ₯ λ§μκ³ λͺ¨λ° (λͺ¨λ° μΈν¬ λͺ¨λ°, nevocel
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A Clinical and Histopathological Study of the Skin Tumors among Koreans
Won Hee Choi, M.d.
Department of Medical Science The Graduate School Yonsei University
(Directed by Prof. Yoo Bock Lee, M.D)
The skin is, contrary to the ubiquitous concept, remarkably heterogenous organ.
The tumors (hamartomas, reactive and neoplastic) that occur In the skin are more
numberous than those produced by any other organ. Moreover, being visible,
accessible and commons, cutaneous tumors and tumorous lesions have attracted the
attension of dermatologist and pathologist since early times, and this accounts for
much confusion in terminology and classification. A variety of schemes has been
proposed, but there is no uniformity between different countries, but even within a
single country and between dermatologist, pathologist and surgeon. Recent progress
in this field, brought about by the use of histochemical and electron microscopic
methods, has either confirmed or denied many of the previous concepts about the
origin. Lever and Lever (1975) , Andrade et al(1976), Pinkus and Mehregan (198L),
Ackerman at aL(1981) and WHO (Seldamet al,1974) etc. have made valuable
contribution to the understanding of the skin tumors and tumorous lesions.
However, there is no comprehensive report on tumors and tumorous lesions of the
skin among Koreans based on clinical and histopathological aspects. The present
study is to evaluate types, frequencies, location, age and sex distribution of the
skin tumors and tumorous lesions among Koreans.
The materials used in this study consisted of 1905 cases of skin tumors and
tumorous lesions. The histopathological study was made by microscopic examination
fellowing gross inspection. For all cases of tumors and tumorous lesions of the
skin, whose clinical records were available were analysed. The analysis of 1905
cases of skin tumors and tumorous lesion disclosed following results;
1. Among 1905 cases, 172 cased (9.0%) were tumorous lesions, 1369 cases (71.9%)
benign tumors, 59 cases (3.1%) precancerous lesions, and 305 cases (16.0%)
malignant tumors.
2. The sex distribution of benign tumors and tumorous lesions showed slight
female preponderance (1:1.4 respectively), but that of the malignant tumors was
about 2 times more. common in male than female and that of the precancerous
lesions was about equal (1:1).
3. The peak age for tumorous lesions was distributed from 2nd to 3rd decade, for
benign tumors 3rd to 5th, for precancerous lesions 5th to 7th, and for malignant
tumors 6th and 7th decade.
4. Among the 172 cases of tumorous lesions, hypertrophic scar and keloid were the
most common, followed by soft fibroma (cutaneous tag), nevus sebaceous, and linear
epidermal nervus. Among the 1369 cases of benign tumors, epidermal cyst was the
most common, followed by nevus, hemangioma and lipoma.
Among the 59 cases of precancerous lesions, actinic keratosis was the most
common, fellowed by Bowen's disease, erythroplasia of Queyrat and leukoplakia.
Among the 305 cases of malignant tumors, epidermoid carcinoma was the most
common, followed by metastatic tumors and malignant melanoma.
5. In regard to the location of the lesions, the most predilection site was head
and neck in which 932 cases (48.9%) were observed followed by trunk and
extremities.
The most common tumors and tumorous lesions located on the head and neck, and
trunk was epidermal cyst, on the extremities was hemangioma, and on the external
genitalia was epidermoid carcinoma.
The predilections for the benign tumors were head and neck, and trunks, whil
those of the malignant tumors were lower extremity and trunk. But this specific
predilection sites differed according to the types of the lesion.
[μλ¬Έ]
The skin is, contrary to the ubiquitous concept, remarkably heterogenous organ.
The tumors (hamartomas, reactive and neoplastic) that occur In the skin are more numberous than those produced by any other organ. Moreover, being visible, accessible and commons, cutaneous tumors and tumorous lesions have attracted the attension of dermatologist and pathologist since early times, and this accounts for much confusion in terminology and classification. A variety of schemes has been proposed, but there is no uniformity between different countries, but even within a single country and between dermatologist, pathologist and surgeon. Recent progress
in this field, brought about by the use of histochemical and electron microscopic methods, has either confirmed or denied many of the previous concepts about the origin. Lever and Lever (1975) , Andrade et al(1976), Pinkus and Mehregan (198L), Ackerman at aL(1981) and WHO (Seldamet al,1974) etc. have made valuable
contribution to the understanding of the skin tumors and tumorous lesions.
However, there is no comprehensive report on tumors and tumorous lesions of the skin among Koreans based on clinical and histopathological aspects. The present study is to evaluate types, frequencies, location, age and sex distribution of the
skin tumors and tumorous lesions among Koreans.
The materials used in this study consisted of 1905 cases of skin tumors and tumorous lesions. The histopathological study was made by microscopic examination fellowing gross inspection. For all cases of tumors and tumorous lesions of the skin, whose clinical records were available were analysed. The analysis of 1905 cases of skin tumors and tumorous lesion disclosed following results;
1. Among 1905 cases, 172 cased (9.0%) were tumorous lesions, 1369 cases (71.9%) benign tumors, 59 cases (3.1%) precancerous lesions, and 305 cases (16.0%) malignant tumors.
2. The sex distribution of benign tumors and tumorous lesions showed slight female preponderance (1:1.4 respectively), but that of the malignant tumors was about 2 times more. common in male than female and that of the precancerous lesions was about equal (1:1).
3. The peak age for tumorous lesions was distributed from 2nd to 3rd decade, for benign tumors 3rd to 5th, for precancerous lesions 5th to 7th, and for malignant tumors 6th and 7th decade.
4. Among the 172 cases of tumorous lesions, hypertrophic scar and keloid were the most common, followed by soft fibroma (cutaneous tag), nevus sebaceous, and linear epidermal nervus. Among the 1369 cases of benign tumors, epidermal cyst was the most common, followed by nevus, hemangioma and lipoma.
Among the 59 cases of precancerous lesions, actinic keratosis was the most common, fellowed by Bowen's disease, erythroplasia of Queyrat and leukoplakia.
Among the 305 cases of malignant tumors, epidermoid carcinoma was the most common, followed by metastatic tumors and malignant melanoma.
5. In regard to the location of the lesions, the most predilection site was head and neck in which 932 cases (48.9%) were observed followed by trunk and extremities.
The most common tumors and tumorous lesions located on the head and neck, and trunk was epidermal cyst, on the extremities was hemangioma, and on the external genitalia was epidermoid carcinoma.
The predilections for the benign tumors were head and neck, and trunks, whil those of the malignant tumors were lower extremity and trunk. But this specific predilection sites differed according to the types of the lesion.prohibitio
Experimental Study on IgA Nephropathy in Mice
μνκ³Ό/λ°μ¬[νκΈ]
IgAμ λ³μ¦(nephropathy)μ λ©΄μλ³λ¦¬νμ μΌλ‘ μ μ¬κ΅¬μ²΄ λ§₯κ΄λ§ κΈ°μ§λ΄μ μ£Όλ‘ IgAμ μΉ¨μ°©μ νΉμ§μΌλ‘ νλ μ§λ³μΌλ‘, κ·Έ λ°μλΉλκ° λλΌλ§λ€ λ€μνλ μ°λ¦¬λλΌμ μ§λ¦¬μ λ¬Ένμ μ¬κ±΄μ΄ μ μ¬ν μΌλ³Έμμλ μ±μΈμ λ°μνλ 1μ°¨μ μ¬κ΅¬μ²΄ μ μΌμ μ½ 40%λ₯Ό μ°¨μ§νλ©°,
μ°λ¦¬λλΌμμλ λΉκ΅μ λ§μ μ¦λ‘κ° λ³΄κ³ λκ³ μλ€. λ§₯κ΄λ§ κΈ°μ§λ΄ IgAμΉ¨μ°©μ ν μ§λ³μμλ κ΄μ°°λ³΄κ³ λμ΄ IgAμ λ³μ¦μ 본체μ λν μ΄λ‘ μ΄ μ κΈ°λμ΄ μμΌλ©° κ·Έ μμΈκ³Ό κΈ°μ μ λνμ¬λ μ΄λ‘ μ΄ λ§μ μ€μ μ΄λ€. λν IgAμ λ³μ¦μ μ λ°μ λν λλ¬Όμ€νμ΄ λ§€μ° λ무λ,
μ΅κ·Ό 경ꡬ λ©΄μλ°©λ²μΌλ‘ IgAμ λ³μ¦μ μ λ°μμΌ°λ€λ λ³΄κ³ κ° μμ΄ λ§μ κ΄μ¬μ λͺ¨μΌκ³ μλ€. κ·Έλ¬λ μμ§ μμΈν μμΈμ΄λ λ°λ³κΈ°μ λΏ μλλΌ νννμ λ³νμ λν μ°κ΅¬λ λ―Έν‘ν μ€μ μ΄λ€.
μ΄μ λ³Έ μ°κ΅¬μλ 20gλ΄μΈμ μμ± ddYλ§μ°μ€μ λ¨λ°±νμμΈ bovine gamma globulin(BGG), μμλ§λΉ μ λ° λΉνμ±ν λ°±μ μ 경ꡬ λ° λΉκ²½κ΅¬ ν¬μ¬νμ¬ IgAμ λ³μ¦μ μ λ°μ μλνκ³ , ν¬μ¬λ°©λ²μ λ°λ₯Έ μ€νμ IgAμ λ³μ¦μ κΈ°μ μ κ²ν νκ³ μ , λ¨λ°±νμ ν¬μ¬ν μ€ν μ 40
, 70, 100μΌμ μ€νλλ¬Όμ λμ΄νμ¬ νλ¨μ λ¨λ°±λ¨ λ° νμ² IgAμμ μΈ‘μ νμκ³ , μ μ₯, μμ₯ λ° νμ₯μ κ΄ν, λ©΄μνκ΄νλ―Έκ²½ λ° μ μνλ―Έκ²½μ μΌλ‘ κ΄μ°°νμ¬ λ€μκ³Ό κ°μ κ²°κ³Όλ₯Ό μ»μλ€.
1. μ€νκ΅°μμλ νλ¨, λ¨λ°±λ¨, νμ² IgAμΉμ μ¦κ°λ₯Ό λ³Ό μ μμκ³ , μ΄λ¬ν μ¦κ°λ BGGν¬μ¬κ΅°λ³΄λ€ μμλ§λΉ λ°±μ ν¬μ¬κ΅°μμ λ μ² μ νμλ€.
2. μ€νκ΅°μμλ μ μ¬κ΅¬μ²΄ λ§₯κ΄λ§ κΈ°μ§μ μ£Όλ‘ IgAμ μΉ¨μ°©κ³Ό μλμ IgMλ° IgGμ μΉ¨μ°©μ΄ κ΄μ°°λμμΌλ©°, IgAμΉ¨μ°©μ μ€νκΈ°κ°μ΄ κΈΈμλ‘ μ¦κ°νλ κ²½ν₯μ 보μκ³ , BGGν¬μ¬κ΅°μ λΉν΄ μμλ§λΉ λ°±μ ν¬μ¬κ΅°μμ μ’λ λλ ·νμλ€. μ μ¬κ΅¬μ²΄μ μ μνλ―Έκ²½μ κ²μ¬μ κ° μ€νκ΅°μμ λ§₯κ΄λ§ κΈ°μ§μ νμ₯κ³Ό λ§₯κ΄λ§ μΈν¬μ μ¦μ λ° λ§₯κ΄λ§λ΄ electron dense depositμ΄ κ΄μ°°λμλ€.
3. μμ₯ λ° νμ₯μ μ λ§ν IgAν¨μ μΈν¬μ μλ μ μλμ‘°κ΅°μ λΉν΄ λͺ¨λ μ€νκ΅°μμ μ¦κ°λμκ³ , νΉν μμλ§λΉ λ°±μ ν¬μ¬κ΅°(μ λ°±μ λ° λΉνμ±ν λ°±μ )μμλ 경ꡬ λ° λΉκ²½κ΅¬ ν¬μ¬κ΅° λͺ¨λμμ μ€νκΈ°κ°μ΄ κΈΈμλ‘ μ¦κ°λμλ€.
μ΄μμ μ견μ μ’
ν©νλ©΄ BGG, μμλ§λΉ λ°±μ (μ λ°±μ λ° λΉνμ±ν λ°±μ )λ± μ΄μ’
λ¨λ°±νμμ λ§μ°μ€μ 경ꡬ λ° λΉκ²½κ΅¬λ‘ ν¬μ¬νμ¬, λ©΄μμν€λ―λ‘μ μ¬λμμμ μ μ¬ν IgAμ λ³μ¦μ΄ μ λ°λμμΌλ©°, νΉν BGGν¬μ¬λ³΄λ€λ μμλ§λΉ λ°±μ μ ν¬μ¬νμμ λ λ νμ ν IgAμ λ³μ¦μ μ λ°μν¬ μ μμλ€.
[μλ¬Έ]
IgA nephropathy, initially described by Berger and Hinglais is now recognized as a common form of nephritis in many countries. It is characterized by granular mesangial deposits of immunoglobulins, predominantly IgA. Deposits of IgG, IgM, and
C3 are found less often and in smaller quantities than those of IgA. Clinically, most patients have microscopic or macroscopic recurrent hematuria and proteinuria, but as 30% of the patients are asymptomatic, it is usually discovered during a routine physical examination.
Despite a high incidence of IgA nephropathy in certain areas(Japan, France), of the world the pathogenesis of this disease and the contribution of IgA to the renal pathology are net well defined. Recently glomerular deposits of IgA have been shown to be associated with variety of glomerular diseases such as lupus nephritis, Henoch-Schonlein purpura, immune complex type of glomerulonephritis in cirrhosis of liver, and eden in dermatitis herpetiformis, ankylosing spondylitis, mycosis
fungoides, and small cell carcinoma of the lung. However, the mucosal versus systemic origin of the mesangial IgA remains controversial. The existence of sporadic familial cases, together with the presence of immunologic abnormalities in patients' relatives favors immunogenetic aspects of this entity. But due to the complexity of these pathogenetic factors, a rational therapeutic approach is not easy to define.
Experimentally induced IgA nephropathy is rare(Rifai et at, 1979), and furthermore IgA nephropathy nduced by mucosal immunization is extremely rare(Emanicipator et al, 1983).
Therefore the present experiment is undertaken to induce mesangial IgA deposit nephropathy via oral and parentheral immunization, and to investigate the morphological changes of the nephropathy by light, immunofluorescent, and electron microscpic observations.
Material and Methods
Female ddY mice weighing around 20g were used for the experiment, and were divided into four groups as follows:
Group 1 : Normal diet 6 mice
Group 2 : Bovine gamma globulin 15 mice
Group 3 : Poliomyelitis vaccine(live) 15 mice
Group 4 : Poliomyelitis vaccine(inactivated) 15 mice
The Bovine gamma globulin(BGG) was prepared according to Emancipator et al, 1983.
The poliomyelitis vaccine(live) was administered in order to induce mucosal immunization, and the inactivated vaccine for systemic immunization.
Urine protein was measured in fresh urine, using reagent strips. Blood was collected via a cardiac puncture, and the serum was separated and frozen till needed. Serum IgA level were determined by enzyme linked immunosorbent assay.
Fer light microscopical observation, the kidney, small intestine, and lung/bronchus were fixed in 10% neutral formalin. The kidney was examined using H&E, PAS, Trichrome stains, and the ethers by H&E stain.
Fer immunofluorescent microscopic examination, fresh tissues from the kidney, small intestine, and lung/bronchus were processed using routine immunofluorescent antibody technique with Meloy's FITC-conjugated anti-mouse IgG, IgA, ant IgM.
Result and Summary
By oral administration using BGG and poliomyelitis live vaccine, and also by parentheral administration using poliomyelitis inactivated vaccine, the following results were obtained.
1. Hematuria, proteinuria and serum IgA levels were increased in all experimental groups, and were greater in the poliomyelitis vaccine administered groups than in the BGG group.
2. The mesangial deposits were predominantly IgA, but IgM and IgG were also found in minimal degrees. The mesangial IgA deposits increased with time, and were greater in poliomyelitis vaccine administered groups than in the BGG group.
Electron microscopic examination revealed mesangial widening, cellular proliferation, and electron dense deposits in the mesangium.
3. The number of the IgA-containing cells in the small intestine and lung/bronchus increased also with time and were more increased in the poliomyelitis vaccine groups, particularly in the inactivated vaccine group.
In summary, mesangial IgA nephropathy was characteristically induced in mice with inert protein antigens using BGG and poliomyelitis live vaccine, and also by parentheral immunization using poliomyelitis inactivated vaccine. These findings suggest that oral immunization of BGG and poliomyelitis live vaccine, and also parentheral immunization of poliomyelitis inactivated vaccine can induce mesangial IgA nephropathy simulating IgA nephropathy in human.restrictio
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λμ 건μ€μ΄ κ°μνλκ³ μλ€. -μ΄ν μλ΅ μΆ©λ¨ μμ λμ μμ 2006λ
κΈμ°μΈκ³μΈμΌμμ€ν¬ κΈ°λν¨κ³Ό λͺ
μΉ: 2006κΈμ°μΈκ³μΈμΌμμ€ν¬ 2006 World Ginseng EXPO, Geumsan, Korea κΈ°κ°: 2006. 9. 22(κΈ) ~ 10. 15(μΌ). 24μΌκ° -μ΄ν μλ΅κΆλμΈ
μΆ©λ¨μ λ―Έλλ₯Ό μ±
μμ§κ² μ΅λλ€ / κΉμ©μ
νΉμ§ μΆ©λ¨μ λ―ΈλλΉμ κ³Ό μ λ΅
μΆ©λ¨μ μλ‘μ΄ λΉμ κ³Ό μ λ΅ / μ΄κ·λ°©
μΆ©λ¨μ μ§μνμ κ³Ό μ°μ
λ°μ μ λ΅ / κΉμ λ°°
μΆ©λ¨ λμ
Β·λμ΄κ°λ°μ λ°©ν₯κ³Ό μ λ΅ / κΉμ νΈ
21μΈκΈ° μ§μκ°λ₯ μΆ©λ¨λ°μ μ μν νκ²½λΉμ κ³Ό μ λ΅μ°κ΅¬ / κΉμ νΈ
μΆ©λ¨λ
Όλ¨
λμλ§μΌν
μ μν λμλΈλλ μΆμ§μ λ΅ / μ΄μΆ©ν
μ§μνμ±νλ₯Ό μν λ¬Έν곡κ°μ‘°μ± μ λ΅μ κ΄ν μ°κ΅¬ / λ°μ² ν¬
μ§μν¬λΌ
νμ μ€μ¬λ³΅ν©λμ 건μ€μ λ°λ₯Έ μΆ©λ¨μ§μ λ°μ λ°©μ
μΆ©λ¨ λ
ΈμΈμΈμ μμ κ°λ°μ λ°©ν₯κ³Ό κ³Όμ
μΆ©λ¨μ λμ
μν΄μμλμ μ€μ¬ "ν΄μ μ°λΉμν°" - νμ / μ‘°λ΄μ΄
μνμλ νλ°©
μ§μμνν μνλμ
μ ν₯ν΄κ°λ νμ΄λ¦Ό μμ°μ μμ°μμ°ν©ν / μ λ³μ°
μ€νΌλμΈ
κΈ°μ
λμμ μ±κ³΅μ‘°κ±΄ / κΉμ©μ
μ§μκ²½μλ ₯κ³Ό μ₯μ λ§μΌν
/ κΉμ©μ
μΆ©λ¨ μμ
λμ μμ
μ°κ΅¬μμμ
RHRD μμ
RIS μ