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Manage abnormal hormone levels [1] Empty sella syndrome is the condition when the pituitary gland shrinks or becomes flattened, filling the sella turcica with cerebrospinal fluid instead of the normal pituitary. [2] It can be discovered as part of the diagnostic workup of pituitary disorders, or as an incidental finding when imaging the brain.
A unique advantage of MRI is that it provides not only the phase image but also the magnitude image. In principle, the contrast change, or equivalently the edge, on a magnitude image arises from the underlying change of tissue type, which is the same cause for the change of susceptibility.
Rotator cuff tendinopathy is a process of senescence. The pathophysiology is mucoid degeneration. [4] Most people develop rotator cuff tendinopathy within their lifetime. [5] As part of rotator cuff tendinopathy, the tendon can thin and develop a defect. This defect is often referred to as a rotator cuff tear.
A hip dislocation is when the thighbone ( femur) separates from the hip bone ( pelvis ). [1] Specifically it is when the ball–shaped head of the femur ( femoral head) separates from its cup–shaped socket in the hip bone, known as the acetabulum. [1] The joint of the femur and pelvis ( hip joint) is very stable, secured by both bony and soft ...
In MRI physics, complex values are sampled in k -space during an MR measurement in a premeditated scheme controlled by a pulse sequence, i.e. an accurately timed sequence of radiofrequency and gradient pulses. In practice, k -space often refers to the temporary image space, usually a matrix, in which data from digitized MR signals are stored ...
A double-contrast barium enema is a form of contrast radiography in which x-rays of the colon and rectum are taken using two forms of contrast to make the structures easier to see. [1] A liquid containing barium (that is, a radiocontrast agent) is put into the rectum. Barium (usually as a sulfate) outlines the colon and rectum on an x-ray and ...
Arrhythmogenic cardiomyopathy ( ACM) is an inherited heart disease. [1] ACM is caused by genetic defects of parts of the cardiac muscle known as desmosomes, areas on the surface of muscle cells which link them together. The desmosomes are composed of several proteins, and many of those proteins can have harmful mutations .
Breast cancer is a cancer that develops from breast tissue. [7] Signs of breast cancer may include a lump in the breast, a change in breast shape, dimpling of the skin, milk rejection, fluid coming from the nipple, a newly inverted nipple, or a red or scaly patch of skin. [1] In those with distant spread of the disease, there may be bone pain ...