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Temporal arteritis is an inflammatory disease of medium-sized blood vessels that happens especially with advancing age. AAION occurs in about 15-20 percent of patients with temporal arteritis. Damage to the blood vessels supplying the optic nerves leads to insufficient blood supply ( ischemia ) to the nerve and subsequent optic nerve fiber death.
The temporal area may be tender. [21] Decreased pulses may be found throughout the body [21] Evidence of ischemia may be noted on fundal exam. [21] Bruits may be heard over the subclavian and axillary arteries [21] Intermediate magnification micrograph showing giant cell arteritis in a temporal artery biopsy. The arterial lumen is seen on the left.
The auriculotemporal nerve is a sensory branch of the mandibular nerve (CN V 3) that runs with the superficial temporal artery and vein, and provides sensory innervation to parts of the external ear, scalp, and temporomandibular joint. The nerve also conveys post-ganglionic parasympathetic fibres from the otic ganglion to the parotid gland. [1]
Frontotemporal dementia (FTD), also called frontotemporal degeneration disease [1] or frontotemporal neurocognitive disorder, [2] encompasses several types of dementia involving the progressive degeneration of the brain's frontal and temporal lobes. [3] Men and women appear to be equally affected. [1]
Osteoarthritis of the temporomandibular joint, a degenerative joint disease of the articular surfaces. Temporal arteritis, for which it is considered a reliable diagnostic criteria; Pain or dysfunction of the temporomandibular joint is referred to as temporomandibular joint dysfunction or temporomandibular joint disorder (TMD). This term is ...
The parietal branch of the superficial temporal artery (posterior temporal) is a small artery in the head.It is larger than the frontal branch and curves upward and backward on the side of the head, lying superficial to the temporal fascia; it joins with its fellow of the opposite side, and with the posterior auricular and occipital arteries.
Possible secondary causes of cerebral vasculitis are infections such as with varicella zoster virus (chicken pox or shingles), systemic auto-immune diseases such as systemic lupus erythematosus (SLE) and rheumatoid arthritis, medications and drugs (amphetamine, cocaine and heroin), some forms of cancer (lymphomas, leukemia and lung cancer) and ...
Watershed stroke symptoms are due to the reduced blood flow to all parts of the body, specifically the brain, thus leading to brain damage. Initial symptoms, as promoted by the American Stroke Association, are FAST, representing F = Facial weakness (droop), A = Arm weakness (drift), S = Speech difficulty (slur), and T = Time to act (priority of intervention).