沙眼衣原体核酸PCR检测试剂盒（PCR检测法）

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血液检测沙眼衣原体IgG、IgM抗体诊断试剂

血液检测沙眼衣原体IgG、IgM抗体诊断试剂

沙眼衣原体核酸PCR检测试剂盒

沙眼衣原体核酸PCR检测试剂盒

沙眼衣原体核酸PCR检测试剂盒（PCR检测法）

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【公司名称】 广州健仑生物科技有限公司
【】    杨永汉 
【】 
【腾讯 】 2042552662
【公司地址】 广州清华科技园创新基地番禺石楼镇创启路63号二期2幢101-3室
【企业文化】

Severe colonic lesions in patients with schistosomiasis can produce colonic stenosis, causing difficulty in defecation and other symptoms of intestinal obstruction. It is not uncommon for schistosomiasis to develop cancer on the basis of intestinal proliferative lesions. The incidence of colon cancer in the pandemic area is higher than that in non-endemic areas. The age of onset is 30 to 40 years old, and there are also many people aged 20 to 30 years. Schistosomiasis with colon cancer is mostly differentiated adenocarcinoma and mucinous adenocarcinoma. The clinical manifestations are mainly colon obstruction, blood in the stool and abdominal mass. Barium enema X-ray examination showed filling defects, sigmoidoscopy and biopsy can confirm the diagnosis. 1. Epidemiological data In the epidemic areas of history of epidemic water contact are likely to have infection, the patient's place of birth, occupational contact history of epidemic water has a reference value for the diagnosis. 2. Clinical manifestations Acute schistosomiasis has a history of cercarial dermatitis, fever, urticaria, hepatomegaly and tenderness, diarrhea, and significant increase in blood eosinophils, combined with epidemiological data for easy diagnosis. For long-term unexplained abdominal pain, diarrhea, and blood in the stool, hepatosplenomegaly, especially the right hepatic lobe, or epileptic seizures in mature adults, and eosinophilia, chronic schistosomiasis should be considered. For patients with giant spleen, intra-abdominal mass, ascites, upper gastrointestinal bleeding, intestinal obstruction, dwarfism, advanced schistosomiasis should be considered. 3. Laboratory test stool sedimentation incubation test Sinking incubation method is currently the most important diagnostic method, the positive rate of egg deposition is about 50%, and the positive rate of hatching is about 80%. In late patients, the intestinal mucosa becomes thicker and the number of eggs entering the intestine cavity decreases. The test positive rate is extremely low. Light patients rarely emit eggs from the feces, appearing intermittently, and the positive rate is not high. 4. Immunological tests have diagnostic value. The intradermal test, the caudal diaphragm test, and the annular egg precipitation test have higher specificity and are used more often. Generally such methods do not make a definite diagnosis. 1. Intradermal test Intradermal injection of 0.03 ml adult antigen of hepatic egg antigen. For a pimples with a diameter of about 0.5 cm, a wheal diameter of 0.8 cm or more is positive after 15 minutes. A small number of patients can be positive in the incubation period and early onset. They usually appear positive in two weeks after infection and all appear positive in 4 to 7 weeks after infection. The positive rate is usually above 95%, with occasional false-positive reactions. Skin test has a reference value for diagnosis and cannot be used as a criterion for assessment of efficacy. 2. Caudal diaphragm test Take 1 to 2 drops of patient's serum on a glass slide, add 5 to 10 live or lyophilized schistosome cercariae, add 2 to 3 drops of normal saline, mix and set 37°C incubator, after 3 to 4 hours Microscopic examination revealed that there were membranous formations around the cercariae. Positive rate of 95%, 7 to 12 days after infection, positive reactions can occur, few false positive reactions, there is early diagnostic value.