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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.
Panniculitis is a group of diseases whose hallmark is inflammation of subcutaneous adipose tissue (the fatty layer under the skin – panniculus adiposus). [1] Symptoms include tender skin nodules, and systemic signs such as weight loss and fatigue.
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.
Other symptoms to note: Acne is the most common skin condition affecting Americans, Dr. Zeichner says, so you likely have experience with pimples already. The causes vary, but are often rooted in ...
The evaluation of a skin nodule includes a description of its appearance, its location, how it feels to touch and any associated symptoms which may give clues to an underlying medical condition. [4] Often discovered unintentionally on a chest x-ray, a single nodule in the lung requires assessment to exclude cancer. [9]
Lymphomas and mesenchymal tumors may also develop in the stomach. [2] Early symptoms may include heartburn, upper abdominal pain, nausea, and loss of appetite. [1] Later signs and symptoms may include weight loss, yellowing of the skin and whites of the eyes, vomiting, difficulty swallowing, and blood in the stool, among others. [1]
The location of the clot is tender and the clot can be felt as a nodule under the skin. [1] Trousseau's syndrome is a rare variant of venous thrombosis that is characterized by recurrent, migratory thrombosis in superficial veins and in uncommon sites, such as the chest wall and arms.
Panniculi can form after rapid weight loss, as seen with strict exercise plans—in this case, the abdominal fat is successfully reduced, but excess skin is left behind which hangs loosely over the area. It can be a result of obesity and can be mistaken for a tumor or hernia.