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Trichilemmal cysts are clinically and histologically distinct from trichilemmal horns, hard tissue that is much rarer and not limited to the scalp. [3] Rarely, these cysts may grow more extensively and form rapidly multiplying trichilemmal tumors , also called proliferating trichilemmal cysts, which are benign , but may grow aggressively at the ...
Small, itchy bumps: These may be red, white, or yellow and can appear around the hair follicles. They can be mistaken for acne . Pain or tenderness: The affected areas might be sore or painful to ...
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 ...
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.
The condition typically begins with hair loss but can develop into a significant bump on the top of the head. In the case report, published Thursday in the medical journal BMJ, a man in his early ...
The tumor may be in the form of a hard plaque or a papule, often with an opalescent quality, with tiny blood vessels; The tumor can lie below the level of the surrounding skin, and eventually ulcerates and invades the underlying tissue; The tumor commonly presents on sun-exposed areas (e.g. back of the hand, scalp, lip, and superior surface of ...
Small lipomas which have been removed: Specialty: Dermatology, general surgery oncology: Symptoms: Soft, movable, usually painless lump [1] Usual onset: 40 to 60 years old [1] Types: Superficial, deep [2] Causes: Unclear [1] Risk factors: Family history, obesity, insufficient exercise [1] [3] Diagnostic method: Based on physical exam [1 ...
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]