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HomeLab Services GuideTests
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Overview
ข้อมูลทั่วไป Specimen
ข้อมูลสิ่งส่งตรวจ Performance
ข้อมูลการทดสอบ Clinical & Interpretation
ข้อมูลทางคลินิก
 
Test Code (รหัสการทดสอบ):
090-30-2560-01
Order Name (ชื่อการทดสอบ):
E.histolytica Ab
 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Plain Blood (Red Top) 6 mL, 1 tube
 
Turnaround Time (ระยะเวลารอผล):
Specimen received to reported within 1 day
 
Useful For (ประโยชน์การทดสอบ):
Determination of IgG antibodies against Entamoeba histolytica in human serum.
 
Methodology (วิธีการทดสอบ):
EIA method 
 
AliasesName (ชื่อเรียกอื่นๆ) :
Entamoeba Histolytica Antibody
Amebic Antibody
E Histolytica Antibody
 
 
 
Test Code (รหัสการทดสอบ):
090-30-2560-01
Order Name (ชื่อการทดสอบ):
E.histolytica Ab
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Plain Blood (Red Top) 6 mL, 1 tube
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Serum, minimum volume 1 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Plastic vial
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Hemolysis: 4+ reject
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Serum  (keep in original tube) Refrigerated, 2oC to 8oC 8 hours
Serum Refrigerated, 2oC to 8oC 7 days
Frozen, -20oC 14 days
 
 
 
Test Code (รหัสการทดสอบ):
090-30-2560-01
Order Name (ชื่อการทดสอบ):
E.histolytica Ab
 
Schedule (ตารางการทดสอบ):
Tested daily at 1:00 p.m.
 
Turnaround Time (ระยะเวลารอผล):
Specimen received to reported within 1 day
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Immunology, Laboratory Department Tel. 13227
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
5 days
 
 
 
Test Code (รหัสการทดสอบ):
090-30-2560-01
Order Name (ชื่อการทดสอบ):
E.histolytica Ab
 
 
Clinical Information (ข้อมูลทางคลินิก):
Entamoeba histolytica is a human pathogenic protozoon and one of the most common parasites in developing countries, especially in the tropical and subtropical areas.  Annually about 50 million people are infected of which 100,000 die as a result of the infection. Typically, the pathogen is transmitted through the faecal-oral route. In this way the infectious cysts are absorbed. By reaching the small intestine, they develop into the vegetative trophozoites that subsequently colonize the colon. Through invasion of the parasite from the gut lumen into the colon mucosa, 10% of infected patients develop an invasive amoebiasis. The incubation period is highly variable, therefore the incubation can take a few days but also months or even years. In case of an intestinal amoebiasis the incubation period generally takes 1-4 weeks.

Clinical symptoms of an intestinal amoebiasis are crampy abdominal pain accompanied by nausea and severe diarrhea with bloody and mucous stool. During acute dysentery, extraintestinal complications such as liver abscesses may occur caused by haematogenic spread which can lead to death if left untreated.
After infection with Entamoeba histolytca, specific antibodies are formed against the pathogen as a result of the response from the immune system. By using immunological methods, it is possible to determine those antibodies in the serum. Apart from the appropriate choice of the pathogen-specific antigen, also the selected test method has a great impact on the result of the test.
 
Reference Value (ค่าอ้างอิง):
Negative 
 
Clinical Reference (เอกสารอ้างอิง):
Manufacturer’s Reagent package insert, RIDASCREEN Entamoeba histolytica IgG, 2016-06-10, R-Biopharm AG, An der neuen BergstraBe 17, 64297 Darmstadt, Germany.