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Dual-energy X-ray absorptiometry is the most widely used and most thoroughly studied bone density measurement technology. The DXA scan is typically used to diagnose and follow osteoporosis , as contrasted to the nuclear bone scan , which is sensitive to certain metabolic diseases of bones in which bones are trying to heal from infections ...
A scanner used to measure bone density using dual energy X-ray absorptiometry. Bone density, or bone mineral density, is the amount of bone mineral in bone tissue.The concept is of mass of mineral per volume of bone (relating to density in the physics sense), although clinically it is measured by proxy according to optical density per square centimetre of bone surface upon imaging. [1]
Osteopetrosis, literally ' stone bone ', also known as marble bone disease or Albers-Schönberg disease, is an extremely rare inherited disorder whereby the bones harden, becoming denser, in contrast to more prevalent conditions like osteoporosis, in which the bones become less dense and more brittle, or osteomalacia, in which the bones soften.
Osteopenia, known as "low bone mass" or "low bone density", is a condition in which bone mineral density is low. [1] Because their bones are weaker, people with osteopenia may have a higher risk of fractures, and some people may go on to develop osteoporosis. [2] In 2010, 43 million older adults in the US had osteopenia. [3]
X-rays of hip dysplasia are one of the two main methods of medical imaging to diagnose hip dysplasia, the other one being medical ultrasonography. [1] [2] Ultrasound imaging yields better results defining the anatomy until the cartilage is ossified. When the infant is around 3 months old a clear roentgenographic image can be achieved.
Severe degenerative arthritis – If disability is severe and medication and physical therapy are no longer helpful, joint replacement of the hips and knees may be considered. Bone deformity – Cutting and realignment of pagetic bone (osteotomy) may help painful weight bearing joints, especially the knees.
AP chest x-rays are harder to read than PA x-rays and are therefore generally reserved for situations where it is difficult for the patient to get an ordinary chest x-ray, such as when the patient is bedridden. In this situation, mobile X-ray equipment is used to obtain a lying down chest x-ray (known as a "supine film").
Triad of bilateral hip, thigh, and buttock claudication, impotence, and symmetric atrophy of the bilateral lower extremities due to chronic ischemia: Leriche's syndrome: Mackler's triad: vomiting, pain and subcutaneous emphysema: Boerhaave syndrome: Three C's of Measles: cough, coryza, conjunctivitis: Measles: Meltzer's triad: purpura ...