A radiologic sign is an "objective" indication of some medical fact or quality that is detected by a
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Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… … Medical dictionary
Dense artery sign — In medicine, the dense artery sign or hyperdense artery sign is a radiologic sign seen on computer tomography (CT) scans suggestive of early ischemic stroke.[1] In earlier studies of medical imaging in patients with strokes, it was the earliest… … Wikipedia
Medical sign — A medical sign is an objective[1] indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient.[2] Signs may have no meaning for, and can even go unnoticed by, the patient, but… … Wikipedia
Rigler's sign — Rigler s sign, also known as the double wall sign, is seen on an x ray of the abdomen when air is present on both sides of the intestine; a Rigler s sign is present when air is present on the inside (lumenal side) and the outside (peritoneal… … Wikipedia
Deep sulcus sign — In radiology, the deep sulcus sign on a supine chest radiograph is an indication of a pneumothorax.[1][2] In a supine film (common in the ICU), it may be the only indication of a pneumothorax because air collects anteriorly and basally, within… … Wikipedia
Mumoli's sign — (also known as a Playboy Rabbit sign) is a sign seen in the liver. It appears as a rabbit shaped image caused by the confluence of the middle and right hepatic veins at the inferior vena cava. It can be seen on ultrasound images of the normal… … Wikipedia
Crescent sign — in radiology refers to a thin, curvilinear lucent line parallel and inverted to the cortical margin of a bone. It represents the margin of a disk of articular cartilage and underlying subchondral bone, that has fractured. This is a medical sign… … Wikipedia
Fabella sign — The fabella sign is displacement of the fabella that is seen in cases of synovial effusion and popliteal fossa masses. [cite journal |author=Hall F |title=The fabella sign and radiologic assessment of knee joint effusion |journal=Radiology… … Wikipedia
patent bronchus sign — the radiologic finding of an unobstructed bronchus supplying a collapsed lung, lobe, or segment … Medical dictionary
Westermark sign — transient clearing (avascularity) of the normal radiologic shadow of pulmonary tissue distal to a pulmonary embolism … Medical dictionary
