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A lipoma is a benign tumor made of fat tissue. [1] They are generally soft to the touch, movable, and painless. [1] 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]
Keratosis pilaris. 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]
The scalp, ears, back, face, and upper arm, are common sites of sebaceous cysts, though they may occur anywhere on the body except the palms of the hands and soles of the feet. [4] They are more common in hairier areas, where in cases of long duration they could result in hair loss on the skin surface immediately above the cyst. They are smooth ...
Nodule. In medicine, nodules are small firm lumps, usually greater than 1 cm in diameter. [1][2] If filled with fluid they are referred to as cysts. [2] Smaller (less than 0.5 cm) raised soft tissue bumps may be termed papules. [3] The evaluation of a skin nodule includes a description of its appearance, its location, how it feels to touch and ...
Bumps, lumps, or protrusions (also called knobs) on the skin begin to appear. Stage 5: The affected limb(s) become grossly large; one or more deep skin folds is present. Stage 6: Knobs of small elongated or rounded sizes cluster together, giving mossy-like shapes on the limb. Mobility of the patient becomes increasingly impaired.
A trichilemmal cyst (or pilar cyst) is a common cyst that forms from a hair follicle, most often on the scalp, and is smooth, mobile, and filled with keratin, a protein component found in hair, nails, skin, and horns. Trichilemmal cysts are clinically and histologically distinct from trichilemmal horns, hard tissue that is much rarer and not ...
Based on clinical examination, skin biopsy. Treatment. Electrodesiccation and curettage, cryotherapy. A seborrheic keratosis is a non-cancerous (benign) skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis. Like liver spots, seborrheic keratoses are seen more often as people age.
Piezogenic papules. Other names. Painful fat herniation, piezogenic pedal papules [1] Piezogenic papules on the heel of an individual with Ehlers–Danlos syndrome. Specialty. Dermatology. Symptoms. Multiple yellowish to skin-coloured small or large bumps, mostly painless; typically on heels and wrist [2][3] Causes.