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They usually occur just under the skin, but occasionally may be deeper. [1] Most are less than 5 cm (2.0 in) in size. [2] Common locations include upper back, shoulders, and abdomen. [4] It is possible to have several lipomas. [3] The cause is generally unclear. [1] Risk factors include family history, obesity, and lack of exercise.
The arm of a patient with familial multiple lipomatosis. Familial multiple lipomatosis is a hereditary adipose tissue disorder that is characterized by the formation of multiple lipomas that occur in a particular distribution. [1] The lipomas are well-encapsulated, slow-growing, benign fatty tumors.
Research from Sweden has found a link between getting a tattoo of any size and an overall 21% higher risk of developing lymphoma, a type of blood cancer. Tattoos may increase blood cancer risk by ...
The first noticeable symptom is usually a painless lump or swelling. As the tumor grows, it may cause other symptoms, such as pain or soreness, as it presses against nearby nerves and muscles. If in the abdomen it can cause abdominal pains commonly mistaken for menstrual cramps, indigestion, or cause constipation. [5]
The most accurate use of the term granuloma requires a pathologist to examine surgically removed and specially colored (stained) tissue under a microscope. Macrophages (specifically histiocytes) are the cells that define a granuloma. They often fuse to form multinucleated giant cells (Langhans giant cell). [7]
Spider angiomas form due to failure of the sphincteric muscle surrounding a cutaneous arteriole. The central red dot is the dilated arteriole and the red "spider legs" are small capillaries carrying away the freely flowing blood. If momentary pressure is applied, it is possible to see the emptied capillaries refilling from the center.
Dercum's disease is a rare condition characterized by multiple painful fatty tumors, called lipomas, that can grow anywhere in subcutaneous fat across the body. [1] Sometimes referred as adiposis dolorosa in medical literature, Dercum’s disease is more of a syndrome than a disease (because it has several clinically recognizable features, signs, and symptoms that are characteristic of it and ...
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.