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1.
Journal of Medical Research ; (12)2006.
Article in Chinese | WPRIM | ID: wpr-564192

ABSTRACT

Objective To study the clinical pathological characters of malignant melanoma.Methods To analyze the clinical pathological materials of 86 cases of malignant melanoma.Results The original sites of 49 of the whole 86 cases locate at limbs,among those 26 cases at sole or heel.49 cases of them have melanotic nevus history,36 cases have trauma history.30 cases were diagnosed as carcinomatous change of ulcer before the surgical operation while 51 cases were diagnosed as other pathological diseases.Only 5 cases were diagnosed as malignant melanoma.The major histological type of the 86 cases is the epitheliod cell type,which made 50%(43 cases) of all the cases.61 cases(70.9%) of them has lymphnodes metastasis when the diagnosis was made.Conclusion Malignant melanoma most commonly located at limbs,especially at sole or heel.It's inclined to misdiagnose the disease and the disease is likely to metastasize before surgical operation.Final diagnosis should be confirmed by pathology examination.

2.
Chinese Journal of Clinical and Experimental Pathology ; (12): 15-18, 2001.
Article in Chinese | WPRIM | ID: wpr-433819

ABSTRACT

To investigate the relationship of between p21wAF1 and PCNA expression and the patients' prognosis in breast carcinoma. MethodExpression of p21wAF1 and PCNA was determined by S-P immunohistochemical technique in 152 patients with breast carcinoma. ResultsPositive immunostaining of p21WAf1was detected in 61(40.1% ) primary breast carcinoma, in which 43(70.5% ) were low expression, and 18(29.5% ) over expression of 152 PCNA positive cases, 69(45% ) expressed with low index and 83(55% )expressed with high index. p21wAf1 expression level was correlated with tubule formation (γs= 0.341, P<0.01 ),nuclear atypia(γs=0.516, P<0.01), mitosis(γs=0.351, P<0.01)and histological grade(γs=0.415, P<0.01)in breast cancer tissue. Univariate analysis demonstrated less disease-free survival in patients with higher p21WAF1 (x2 = 6.92, P< 0.01 ) and PCNA (x2 = 5.14, P<0.05)expression than in those with lower expression. The survival term of the patients with p21WAF1 -/PCNA low index, p21wAF1 +/PCNA low index, p21WAF1 +/PCNA high index and p21WAF1 -/PCNA high index groups was successively shortened. Conclusions( 1 ) Combined detection of p21wAF1/PCNA is helpful to judge the proliferating activity of the tumor cells and the patients prognosis. (2) Different expression level of p21WAF1in breast carcinoma is probably related the different regulating directions.

3.
Chinese Journal of Pathophysiology ; (12)1989.
Article in Chinese | WPRIM | ID: wpr-522781

ABSTRACT

AIM: To investigate the relationship between p21 WAF1gene polymorphisms and protein expression in breast carcinoma. METHODS: Polymerase chain reaction single-strand conformation polymorphisms technique (PCR-SSCP) and immunohistochemical assay of S-P immunostaining technique were used to study polymorphisms of p21 WAF1 and protein expression respectively on the specimen of paraffin-embedded tissues in 100 cases of breast carcinomas and 40 benign breast diseases as control. RESULTS: Two p21 WAF1 gene polymorphisms were found in 18% (18/100) of breast carcinomas and 5% (2/40) of control samples. The difference between the two groups was statistically significant (?2=3 94, P

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