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Calvarial bones are supplied by endosteal and periosteal sheaths which are innervated by the nociceptors, sensory, sympathetic, and parasympathetic nerves. Horizontal section of the mouse pups showed that the density of nerve fibers was highest in the region of forehead, temples, and the back of head which crossing the frontal, parietal, and ...
Jaakkola et al. found skeletal anomalies in 3 generations of a single Finnish family through X-rays and bone biopsies, their findings included a compression fracture at spinal vertebrae T12, an abnormal, thin cortical bone and trabeculae, high osteoclast activity, and abnormal diffuse thickening of the skull.
In the early stages of infantile cortical hyperostosis, biopsy shows inflammation of the periosteum and adjacent soft tissues. After this resolves, the periosteum remains thickened, and subperiosteal immature lamellar bone can be seen on biopsy, while the bone marrow spaces contain vascular fibrous tissue.
DISH most commonly affects the elderly, especially 6th to 7th decades. The estimated frequency in the elderly is ~10% – 20%, with a slight male predominance. The exact cause is unknown. Mechanical, dietary factors and use of some medications (e.g. isotretinoin, etretinate, acitretin and other vitamin A derivatives) [9] may be of significance ...
Early recognition of this injury is crucial for survival. Infants who have experienced a difficult operative delivery or are suspected to have a SGH require ongoing monitoring including frequent vital signs (minimally every hour), and serial measurements of hematocrits and their occipital frontal circumference, which increases 1 cm with each 40 mL of blood deposited into the subgaleal space.
Acalvaria is a rare malformation consisting of the absence of the calvarial bones, dura mater and associated muscles in the presence of a normal skull base and normal facial bones. The central nervous system is usually unaffected.
Peribronchial cuffing, also referred to as peribronchial thickening or bronchial wall thickening, is a radiologic sign which occurs when excess fluid or mucus buildup in the small airway passages of the lung causes localized patches of atelectasis (lung collapse). [1] This causes the area around the bronchus to appear more prominent on an X-ray ...
Neointimal hyperplasia refers to proliferation and migration of vascular smooth muscle cells primarily in the tunica intima, resulting in the thickening of arterial walls and decreased arterial lumen space. [1] [2] Neointimal hyperplasia is the major cause of restenosis after percutaneous coronary interventions such as stenting or angioplasty. [1]