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High attenuation crescent sign or hyperdense crescent sign is a radiologic sign indicating impending aortic rupture. [1] [2] It is seen as a curvilinear area paralleling the vessel wall of the aorta. [3] The hyperdense area is due to intramural or mural thrombus haemorrhage.
Head cheese sign; Hidebound appearance; High-attenuation crescent sign; Hilgenreiner's line; Hill Sach's deformity; Hilum convergence sign; Hilum overlay sign; Holly Leaf sign; Honda sign; Honeycombing; Hot nose sign; Hot quadrate sign; Hotcross bun sign; Hurricane sign
A radiologic sign is an objective indication of some medical fact (medical sign) or quality that is detected by a radiologist during examination of a radiograph. Subcategories This category has only the following subcategory.
In radiology, the crescent sign is a finding on conventional radiographs that is associated with avascular necrosis. [1] [2] [3] It usually occurs later in the disease, in stage III of the four-stage Ficat classification system. [1] It appears as a curved subchondral radiolucent line that is often found on the proximal femoral or humeral head. [1]
Swirl sign on CT scan (areas of low densities with surrounding areas of high densities) is indicative of active intracranial bleeding, high chance of death within one month, and poor subject's function in three months if the subject is still alive. [4] When ICP is increased the heart rate may be decreased.
But those first migraine warning signs can be subtle and unexpected, including symptoms like difficulty concentrating, sleep disturbances, food cravings, neck pain and yawning.
X-ray and MRI indicates evidence of subchondral collapse, crescent sign, or flattening of the FH Stage IV MRI and X -ray show narrowing of the joint space with secondary degenerative changes in the acetabulum, which is the socket portion of the hip that is a part of the pelvis, such as cysts, osteophytes, and cartilage destruction.
High schoolers with higher IQs are more likely to be virgins than those with average or lower IQs, according to a study from the University of North Carolina Chapel Hill. The core sample looked at ...