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Specialty. Cardiology. Cherry angioma, also called cherry hemangioma [ 1] or Campbell de Morgan Spot, [ 2] is a small bright red dome-shaped bump on the skin. [ 3] It ranges between 0.5 – 6 mm in diameter and usually several are present, typically on the chest and arms, and increasing in number with age. [ 3][ 4] If scratched, they may bleed.
Frequency. 1 in 10,000 people [3] Cat-scratch disease ( CSD) is an infectious disease that most often results from a scratch or bite of a cat. [4] Symptoms typically include a non-painful bump or blister at the site of injury and painful and swollen lymph nodes. [2] People may feel tired, have a headache, or a fever. [2]
Bruise. A bruise, also known as a contusion, is a type of hematoma of tissue, [ 3] the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration.
Pemphigus vulgaris is a rare chronic blistering skin disease and the most common form of pemphigus.Pemphigus was derived from the Greek word pemphix, meaning blister. [1] It is classified as a type II hypersensitivity reaction in which antibodies are formed against desmosomes, components of the skin that function to keep certain layers of skin bound to each other.
A cold sore[ a] is a type of herpes infection caused by the herpes simplex virus that affects primarily the lip. [ 1] Symptoms typically include a burning pain followed by small blisters or sores. [ 1] The first attack may also be accompanied by fever, sore throat, and enlarged lymph nodes. [ 1][ 9] The rash usually heals within ten days, but ...
A hematoma, also spelled haematoma, or blood suffusion is a localized bleeding outside of blood vessels, due to either disease or trauma including injury or surgery [1] and may involve blood continuing to seep from broken capillaries. A hematoma is benign and is initially in liquid form spread among the tissues including in sacs between tissues ...
Dermatitis herpetiformis. Dermatitis herpetiformis ( DH) is a chronic autoimmune blistering skin condition, [ 3] characterised by intensely itchy blisters filled with a watery fluid. [ 4] DH is a cutaneous manifestation of coeliac disease, [ 5] although the exact causal mechanism is not known. DH is neither related to nor caused by herpes virus ...
Usually unmerited, blood drainage or nail removal in serious cases. Prognosis. Usually self-resolving as nail grows out. Subungal haematoma of a toe. A subungual hematoma is a collection of blood ( hematoma) underneath a toenail or fingernail. It can be extremely painful for an injury of its size, although otherwise it is not a serious medical ...