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Overview
ข้อมูลทั่วไป Specimen
ข้อมูลสิ่งส่งตรวจ Performance
ข้อมูลการทดสอบ Clinical & Interpretation
ข้อมูลทางคลินิก
 
Test Code (รหัสการทดสอบ):
090-70-8306-01
Order Name (ชื่อการทดสอบ):
Saccharomyces cerevisiae Antibody (ASCA), IgG
 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Plain blood (Red top) 6 mL, 1 tube
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 2 days.
 
Useful For (ประโยชน์การทดสอบ):
Use to distinguish between ulcerative colitis and Crohn disease in patients having signs and symptoms of inflammatory bowel disease
 
Methodology (วิธีการทดสอบ):
Enzyme-linked Immunosorbent Assay (ELISA)
 
AliasesName (ชื่อเรียกอื่นๆ) :
ASCA (Anti-Saccharomyces cerevisiae Antibody) IgG
Crohn disease
Saccharomyces cerevisiae Ab
 
 
 
Test Code (รหัสการทดสอบ):
090-70-8306-01
Order Name (ชื่อการทดสอบ):
Saccharomyces cerevisiae Antibody (ASCA), IgG
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Blood/ Plain blood (Red top) 6 mL, 1 tube
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Serum, minimum volume 0.5 mL
 
Sub Mission Container (ภาชนะส่งตรวจ):
Plastic tube
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Hemolysis: Mild OK; Gross reject
Lipemia: Mild OK; Gross reject
Icterus: Mild OK; Gross reject
Other: N/A
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Serum Refrigerated, 2oC to 8oC 14 days
 
 
 
Test Code (รหัสการทดสอบ):
090-70-8306-01
Order Name (ชื่อการทดสอบ):
Saccharomyces cerevisiae Antibody (ASCA), IgG
 
Method detail (วิธีการทดสอบ):
Enzyme-linked Immunosorbent Assay (ELISA)
 
Schedule (ตารางการทดสอบ):
Test daily, at 01:00 p.m.
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to reported within 2 days.
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Molecular biology & Genetics, Laboratory Department Tel.14168
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
7 days
 
 
 
Test Code (รหัสการทดสอบ):
090-70-8306-01
Order Name (ชื่อการทดสอบ):
Saccharomyces cerevisiae Antibody (ASCA), IgG
 
 
Clinical Information (ข้อมูลทางคลินิก):
In patient with Crohn's disease antibodies against microorganisms of the intestinal flora are found more frequently than in healthy individuals. This probably reflects the increased immunoreactivity of the compromised intestinum. Antibodies against Saccharomyces cerevisiae are frequently found in the serum of patients suffereing from Crohn's disease. They enable the diagnostic differentation of Crohn's disease and ulceration colitis. Antibodies against Saccharomyces cerevisiae enrich the serological diagnosis of chronic inflammatory bowel disease by a further parameter, in addition to autoantibodies against exocrine pancrease, intestinal goblet cells and granulocytes (pANCA).
 
Reference Value (ค่าอ้างอิง):
< 20 RU/mL
 
Interpretation (การแปลผล):
Either antibodies against Saccharomyces cerevisiae IgA or IgG is found in the serum of 67% of patients with Crohn's disease. These antibodies are rarely observed in ulcerative colitis. Around 40% of patients with Crohn's disease have increased levels of both Saccharomyces cerevisiae Antibody IgA and IgG. A diagnosis should not be made based on a single test result. The clinical symptoms of the patient should always be taken into account along with the other serological results by the physician.
 
Clinical Reference (เอกสารอ้างอิง):
Manufacturer’s reagent package insert, Anti-Saccharomyces cerevisiae ELISA (IgG) Test instruction, September 2011, EUROIMMUN, Lübeck, D-23560 Germany.