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The calculated CT value is the product of the disinfectant residual (in mg/L) and the detention time (in minutes), through the section at peak hourly flow. [5] These tables express the required CT values to achieve a desired removal of microorganisms of interest in drinking water (e.g. Giardia lamblia cysts) for a given disinfectant under ...
The Hounsfield unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement into one in which the radiodensity of distilled water at standard pressure and temperature is defined as 0 Hounsfield units (HU), while the radiodensity of air at STP is defined as −1000 HU.
CT scanning can perform a virtual colonoscopy with greater accuracy and less discomfort for the patient than a traditional colonoscopy. [143] [144] Virtual colonography is far more accurate than a barium enema for detection of tumors and uses a lower radiation dose. [145] CT is a moderate-to-high radiation diagnostic technique.
Multiple CT antigens have been shown to promote cancer cell growth, like SSX2 in melanoma, and might also be functional in treatment responses to cytotoxic or growth inhibitory anti-cancer drugs. CT antigens are frequently expressed in malignant tumors, especially in metastases, when compared with the rare expression in benign neoplastic lesions.
CT scan or X-ray computed tomography, a medical imaging method; Calcitonin (symbol CT), a hormone produced in the thyroid gland; Calibrated automated thrombogram (CT or CAT), a coagulation test; Cardiothoracic surgery, the field of medicine specializing in chest surgery; Chemotype (ct.), a chemically distinct entity in a plant or microorganism
Clinical pathology is a medical specialty that is concerned with the diagnosis of disease based on the laboratory analysis of bodily fluids, such as blood, urine, and tissue homogenates or extracts using the tools of chemistry, microbiology, hematology, molecular pathology, and Immunohaematology. This specialty requires a medical residency.
2. Baylor College of Medicine. Baylor is a well-known institution that houses one of the most reputable medical schools in the country. Its GPA and MCAT requirements are competitive but if you can ...
Positron emission tomography–computed tomography (better known as PET-CT or PET/CT) is a nuclear medicine technique which combines, in a single gantry, a positron emission tomography (PET) scanner and an x-ray computed tomography (CT) scanner, to acquire sequential images from both devices in the same session, which are combined into a single superposed (co-registered) image.