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H-shaped vertebrae; Haglund's deformity; Hair-on-end appearance; Half moon sign; Halo sign; Hamburger bun sign; Hampton's hump; Hampton's line; Harris lines; Hatchet head; Head cheese sign; Hidebound appearance; High-attenuation crescent sign; Hilgenreiner's line; Hill Sach's deformity; Hilum convergence sign; Hilum overlay sign; Holly Leaf ...
Butterfly vertebra (also known as sagittal cleft vertebra) is a rare congenital spinal anomaly characterized by the presence of a sagittal cleft within a vertebral body, giving it a butterfly-like appearance on imaging. This condition arises due to incomplete fusion of the lateral halves of a vertebra during embryonic development.
Hemivertebrae are wedge-shaped vertebrae and therefore can cause an angle in the spine (such as kyphosis, scoliosis, and lordosis). Among the congenital vertebral anomalies, hemivertebrae are the most likely to cause neurologic problems. [5] The most common location is the midthoracic vertebrae, especially the eighth (T8). [6]
The bullet contused the strap muscles of the right side of the neck, damaged the trachea, and exited through the anterior surface of the neck. The single bullet theory of the Warren Commission Report places a bullet wound at the sixth cervical vertebra of the vertebral column, which is
Magnetic resonance imaging alias Nuclear magnetic resonance : high strength (0.15 to 1.5 teslas) [4] are used to excite protons that produce the record results (like CT scan). It can show particular tissues more clearly than CT.; [4] video link: Linear accelerator: used in radiotherapy for cancer: Functional magnetic resonance imaging (fMRI ...
Vertebral hemangiomas are observed throughout any age, although most are diagnosed in people within their 50s alongside a higher presence in females with a 1:1.5 male-to-female ratio. They often present in the vertebral body of the thoracic and lumbar spine with potential to extend into the posterior arch. They can involve a single or multiple ...
Little medical progress was made during the Middle Ages in Europe; it was not until the Renaissance that the spine and nerves were accurately depicted in human anatomy drawings by Leonardo da Vinci and Andreas Vesalius. [154] In 1762, Andre Louis, a surgeon, removed a bullet from the lumbar spine of a patient, who regained motion in the legs. [154]
The Mallinckrodt Institute of Radiology (MIR), established 1931, is an academic radiology center associated with the Washington University School of Medicine, located within the Washington University Medical Center in St. Louis, Missouri. In addition to providing diagnostic and therapeutic patient-care services, the institute is a top research ...