OBJECTIVE Radiology is the specialty of imaging-based diagnostic tests. Understanding the science behind evaluating diagnostic test performance is essential for radiologists because we provide care to patients and interact with our colleagues. CONCLUSION Here, we review the key terminology used and common pitfalls encountered in the literature and in day-to-day discussions of diagnostic test ...

background since iran is one of the malaria endemic areas, diagnosis of this disease is important. although the microscopic study of stained peripheral blood smears is as a gold standard of malaria diagnosis, this method requires a microscope, the equipment, and trained people. because of some problems associated with microscopic method in some situations, rapid diagnostic test (rdts) can be a ...

the fna (fine needle aspiration) procedure is simple, inexpensive, available and a safe method for the diagnosis of a neck mass. fna has numerous advantages over open surgical biopsies as an initial diagnostic tool; therefore we decided to compare the accuracy of this method with open biopsy. this retrospective as well as descriptive study comparing preoperative fna results with existing data i...

1. the most important challenge in diagnosis of celiac disease is not-performing the diagnostic tests in suspected persons. because of multi-organ damage and multiple manifestations of disease, diagnosis of celiac disease may be delayed. it seems general physicians should be aware about uncommon presentations of disease and indications of celiac tests. 2. the second most important challenge is ...

background: aub is a common cause of women’s referring to gynecologists. although hysteroscopy is known as the gold standard technique for diagnosing the cause of aub, sonohysterography is less invasive, and it is performed by general gynecologists. the purpose of this study was to evaluate the diagnostic performance of sonohysterography compared to the results of the endometrial biopsy, guided...

BACKGROUND An avalanche of literature exists on almost every aspect of lumbar disc pathology but very limited studies have quantified the diagnostic performance of elements of clinical examination in predicting disc level, meticulously collated the reflex changes in lumbar disc herniation (LDH) as well as assessed the diagnostic performance of the medial hamstring reflex (MHR). Our study unders...

Background: Cystic echinococcosis (CE), as a chronic parasitic disease, is a major health problem in many countries. The performance of the currently available serodiagnostic tests for the diagnosis of CE is unsatisfactory. Objective: The current study aimed at sub-cloning a gene, encoding the B8/1 subunit of antigen B (AgB) from Echinococcus granulosus, using gene optimization for the immunodi...