منابع مشابه
HIV false positive results and Flu vaccination
Abstract False positive results are the major problem influencing interpretation of Clinical Laboratory test. They are originated mostly in the other diseases, technical errors and the recent vaccination. The problem has been presented since 1991 is positive HIV test after influenza Vaccination (1). The False positive has been reported in Cases using Eliza, one of The most common test to screen...
متن کاملTeaching NeuroImages: False-positive magnetic resonance sign in spontaneous spinal CSF leak.
X.-L. Tan, MD, PhD Q.-D. Yang, MD, MSc X.-J. Liu, MD B. Xiao, MD, PhD B.-S. Tang, MD A 39-year-old woman developed orthostatic headache. Cranial MRI indicated spontaneous intracranial hypotension (SIH) (figure, A). Spinal MRI suggested CSF leaks at C1–2, C2–3, and C5–6 levels (figure, B and C), but both radionuclide cisternography and CT myelography (immediate and 3-hour delayed scanning) showe...
متن کاملTrue Positive vs. False Positive Staining
Immunohistochemical stains are indispensable for problem solving in diagnostic pathology. In order to evaluate them appropriately, it is critical to be aware of the characteristics of a true positive stain and a false positive stain. A "true positive" stain shows chromogen deposition in cells or structures that truly contain the antigen of interest. In contrast, a "false positive" stain is one ...
متن کاملFrequency of false positive responses in patients with multiple positive reactions in patch test
Background and aim: Contact dermatitis is an inflammatory skin response due to contact with environmental materials manifested as acute or chronic eczema. Patch test is the standard test to recognize responsible allergen. The objective of this study was to evaluate the frequency of false positive patch test responses in patients with Exited Skin Syndrome (ESS).Materials...
متن کاملFalse-positive FDG PET CT Scan in Vertebral Hemangioma
FDG PET CT scan is considered to be a sensitive tool to detect skeletal metastasis in known malignancies. However, it’s high sensitivity and low specificity may account for false positive diagnosis in cases of trauma, infection, inflammation and other benign conditions. Skeletal hemangioma is one of the common benign conditions which are typically ametabolic on FDG PET CT with no uptake on bone...
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ژورنال
عنوان ژورنال: Case Reports
سال: 2013
ISSN: 1757-790X
DOI: 10.1136/bcr-2013-009557