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Frontonasal dysplasia (FND) is a congenital malformation of the midface. [1] For the diagnosis of FND, a patient should present at least two of the following characteristics: hypertelorism (an increased distance between the eyes), a wide nasal root, vertical midline cleft of the nose and/or upper lip, cleft of the wings of the nose, malformed nasal tip, encephalocele (an opening of the skull ...
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.
[7] [18] The surgery involves a frontal bone advancement in combination with remodelling of the supraorbital rim. [19] Orbital hypertelorism: It is preferred to wait with this treatment until the age of 5–8 years old, after permanent dentition. [7] [20] The procedures that can be performed are the facial bipartition and the box osteotomy.
After his second surgery, Caper had his medication increased. Today, he still suffers a few seizures a week, but usually not more than one a day. Throughout his journey, he has also been given a ...
An Australian study of 10.9 million people reported that the increased incidence of cancer after CT scan exposure in this cohort was mostly due to irradiation. In this group, one in every 1,800 CT scans was followed by an excess cancer. If the lifetime risk of developing cancer is 40% then the absolute risk rises to 40.05% after a CT.
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 ...
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Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: [1] a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...