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The radiation used in CT scans can damage body cells, including DNA molecules, which can lead to radiation-induced cancer. [148] The radiation doses received from CT scans is variable. Compared to the lowest dose X-ray techniques, CT scans can have 100 to 1,000 times higher dose than conventional X-rays. [149]
A CT scan is currently the imaging study of choice for evaluating calcaneal injury and has substituted conventional radiography in the classification of calcaneal fractures. [13] Axial and coronal views are obtained for proper visualization of the calcaneus, subtalar, calcaneocuboid and talonavicular joints.
Imaging for evaluation of ankle fractures can include x-rays, CT scans, and MRIs. Typically evaluation begins with x-rays, which can provide information about the mechanism of injury, severity of injury, and stability of fracture. The Ottawa ankle rules determine the necessity of obtaining x-rays in patients with acute ankle injuries. These ...
Quantitative CT scans are primarily used to evaluate bone mineral density at the lumbar spine and hip. In general, solid phantoms placed in a pad under the patient during CT image acquisition are used for calibration. These phantoms contain materials that represent a number of different equivalent bone mineral densities.
A full-body scan is a scan of the patient's entire body as part of the diagnosis or treatment of illnesses. If computed tomography ( CAT ) scan technology is used, it is known as a full-body CT scan , though many medical imaging technologies can perform full-body scans.
Tests that confirm or correct TTS require expensive treatment options like X-rays, CT-scans, MRI and surgery. The three former options for TTS detect and locate, while the latter is a form of treatment to decompress tibial nerve pressure. [24]
A skull CT is also done in connection with the radiographs if the child is under one year old or, if the child is older, where there is a clinical requirement (perioribtal ecchymosis, for example) as to rule out abusive head trauma. The results of a skeletal survey may be used in a court of law as evidence of child abuse.
The considerations that affect plantar heel pain are the alignment of the foot with lower leg, foot and ankle mobility, strength and endurance of muscle. External influences on plantar heel pain are the amount of time spent on feet while exercising or standing, type of footwear used and type of floor surfaces.