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Silent sinus syndrome is a subtype of stage three chronic maxillary atelectasis. The distinguishing factor is that in silent sinus syndrome, there is an absence of sinusitis symptoms. [3] [4] [5] To be clear, chronic maxillary sinusitis may be a primary causitive factor in a significant number of silent sinus syndrome cases, it just may be ...
However, coronal images require the person to hyperextend their neck, which must be avoided if any possibility of neck injury exists. [8] CT scans of the head increase the risk of brain cancer, especially for children. As of 2018, it appeared that there was a risk of one excess cancer per 3,000–10,000 head CT exams in children under the age ...
An axial CT scan of a 17-year-old girl with Parry–Romberg syndrome, showing severe loss of subcutaneous tissue and muscle of the right side of the face, with no apparent involvement of the facial bones. Initial facial changes usually involve the area of the face covered by the temporal or buccinator muscles.
A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body. [2] The personnel that perform CT scans are called radiographers or radiology technologists.
When associated with nasopharyngeal occlusion, the person is more likely to spend their days in forward head posture which may lead to back pain, neck pain and numbness in the arms and hands. It can also lead to sleep apnea and snoring. [6] People can generally live a relatively normal life with maxillary hypoplasia. Normal life expectancy.
CT scans of patients with a tension pneumocephalus typically show air that compresses the frontal lobes of the brain, which results in a tented appearance of the brain in the skull known as the Mount Fuji sign. [1] [2] [3] The name is derived from the resemblance of the brain to Mount Fuji in Japan, a volcano known for its symmetrical cone.
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A CT myelography scan can identify the site of a cerebrospinal fluid leakage. Once identified, the leak can often be repaired by an epidural blood patch , an injection of the patient's own blood at the site of the leak, a fibrin glue injection, or surgery.