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A rheumatoid nodule is a lump of tissue, or an area of swelling, that appears on the exterior of the skin usually around the olecranon (tip of the elbow) or the interphalangeal joints (finger knuckles), but can appear in other areas. [ 1] There are four different types of rheumatoid nodules: subcutaneous rheumatoid nodules, cardiac nodules ...
Boils are bumpy, red, pus -filled lumps around a hair follicle that are tender, warm, and painful. They range from pea-sized to golf ball-sized. A yellow or white point at the center of the lump can be seen when the boil is ready to drain or discharge pus. In a severe infection, an individual may experience fever, swollen lymph nodes, and fatigue.
Characteristics. Nodules are small firm lumps usually greater than 1 cm in diameter, found in skin and other organs. [1] [2] If filled with fluid they are usually softer and referred to as cysts. [2] Smaller (less than 0.5 cm) raised soft tissue bumps may be termed papules. [3]
Common [2] A breast mass, also known as a breast lump, is a localized swelling that feels different from the surrounding tissue. [1] Breast pain, nipple discharge, or skin changes may be present. [1] Concerning findings include masses that are hard, do not move easily, are of an irregular shape, or are firmly attached to surrounding tissue.
Erythema nodosum is characterised by 1–2-inch (25–51 mm) nodules (rounded lumps) below the skin surface, usually on the shins. These subcutaneous nodules can appear anywhere on the body, but the most common sites are the shins, arms, thighs, and torso. Each nodule typically disappears after around two weeks, though new ones may continue to ...
Prurigo nodularis ( PN ), also known as nodular prurigo, is a skin disorder characterized by pruritic ( itchy ), nodular lesions, which commonly appear on the trunk, arms and legs. [ 1] Patients often present with multiple excoriated nodules caused by chronic scratching. Although the exact cause of PN is unknown, PN is associated with other ...
Keratosis pilaris ( KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin [1]) is a common, autosomal - dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh -like bumps, with varying degrees of reddening or inflammation. [2]
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 . Restated, an inflammatory disorder primarily localized in the subcutaneous fat is termed a ...