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Erythema nodosum (EN) is an inflammatory condition characterized by inflammation of subcutaneous fat tissue, resulting in painful red/blue lumps or nodules that are usually seen symmetrically on both shins, on the thighs, arms, and elsewhere. [1] It can be caused by a variety of conditions but 20 to 50% of cases are idiopathic.
Phlegmasia cerulea dolens (PCD) (literally: 'painful blue inflammation'), not to be confused with preceding phlegmasia alba dolens, is an uncommon severe form of lower extremity deep venous thrombosis (DVT) that obstructs blood outflow from a vein. Upper extremity PCD is less common, occurring in under 10% of all cases. [1]
A perianal hematoma, identified by the typical blue tinge under the skin (to the left in the above image) The symptoms of a perianal hematoma can present over a short period of time. Pain, varying from mild to severe, [3] will occur as the skin surrounding the rupture expands due to pressure. This pain will usually last even after the blood has ...
If you’ve ever had a swollen, sprained ankle or a fever from the flu, you’ve experienced it firsthand. (Flushed skin and pain are other signs of acute inflammation, according to Cleveland Clinic.)
Scar tissue can feel like hard, flat lumps directly under the skin. Painful arousals. Pain occurs in about 20 to 70 percent of men with Peyronie’s disease during the acute phase.
Argyria or argyrosis is a condition caused by excessive exposure to chemical compounds of the element silver, or silver dust. [1] The most dramatic symptom of argyria is that the skin turns blue or blue-gray, and is usually most prominent in sun-exposed areas of the skin.
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
The likelihood and severity of bruising depends on many factors, including type and healthiness of affected tissues. Minor bruises may be easily recognized in people with light skin color by characteristic blue or purple appearance (idiomatically described as "black and blue") in the days following the injury. Hematomas can be subdivided by size.