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A Hollenhorst plaque (also known as a retinal cholesterol embolus) is a cholesterol embolus that is seen in a blood vessel of the retina.It is usually found when a physician performs ophthalmoscopy, during which a plaque will appear as a small, bright crystal that is refractile (reflects the light from the ophthalmoscope) and yellow. [1]
The symptoms experienced in cholesterol embolism depend largely on the organ involved. Non-specific symptoms often described are fever, muscle ache and weight loss.Embolism to the legs causes a mottled appearance and purple discoloration of the toes, small infarcts and areas of gangrene due to tissue death that usually appear black, and areas of the skin that assume a marbled pattern known as ...
Calcification is the accumulation of calcium salts in a body tissue. It normally occurs in the formation of bone, but calcium can be deposited abnormally in soft tissue, [1] [2] causing it to harden. Calcifications may be classified on whether there is mineral balance or not, and the location of the calcification. [3]
The existence of Mönckeberg's arteriosclerosis has been disputed and it has been proposed that it is a part of a continuum of atherosclerotic disease: [19] the majority of atherosclerotic plaques contain some calcium deposits [23] [24] and calcification of the internal elastic lamina is common in pathological specimens labelled as Mönckeberg ...
With the atheromatous plaque interfering with the regulation of calcium deposition, it accumulates and crystallizes. A similar form of intramural calcification, presenting the picture of an early phase of arteriosclerosis, appears to be induced by many drugs that have an antiproliferative mechanism of action ( Rainer Liedtke 2008).
Orthopedists and trauma surgeons reveal which common but dangerous activities they avoid due to the risk of injury and share tips to stay safe.
Hollenhorst plaque: Robert Hollenhorst: ophthalmology: hypertension, coronary artery disease, and/or diabetes: cholesterol embolus(i) of retinal artery(ies) Homans' sign: John Homans: thrombosis: deep venous thrombosis: knee bent, ankle abruptly dorsiflexed, popliteal pain Hoover's sign (leg paresis) Charles Franklin Hoover: neurology, psychiatry
A woman in Kentucky surprised her Navy husband with a special military homecoming by gifting him a five-day duck hunting trip in Kansas with his best friends ahead of Christmas.