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Lupus vulgaris (also known as tuberculosis luposa [1]) are painful cutaneous tuberculosis skin lesions with nodular appearance, most often on the face around the nose, eyelids, lips, cheeks, ears [2] and neck. It is the most common Mycobacterium tuberculosis skin infection. [3] The lesions may ultimately develop into disfiguring skin ulcers if ...
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]
Skin can be harvested using either a mechanical dermatome or Humby knife. [58] Electrodessication and curettage (EDC) can be done on selected squamous-cell carcinoma of the skin. In areas where cSCC is known to be non-aggressive, and where the patient is not immunosuppressed, EDC [clarification needed] can be performed with good to adequate ...
Prurigo nodularis (PN), also known as nodular prurigo, is a skin disorder characterized by pruritic , nodular lesions, which commonly appear on the trunk, arms and legs. [1] Patients often present with multiple excoriated nodules caused by chronic scratching.
Rheumatoid nodules can also appear in areas of the body other than the skin. Less commonly they occur in the lining of the lungs or other internal organs. The occurrence of nodules in the lungs of miners exposed to silica dust was known as Caplan’s syndrome. [2]
A dermatofibroma, or benign fibrous histiocytomas, is a benign nodule in the skin, typically on the legs, elbows or chest of an adult. [3] It is usually painless. [3] It usually ranges from 0.2cm to 2cm in size but larger examples have been reported. [3] It typically results from mild trauma such as an insect bite. [3]
Pilar sheath acanthoma manifests as a single, skin-colored papule or nodule that is 5–10 mm in diameter and has a keratin-filled pore in the center.These lesions can occur anywhere on the head and neck, however they are typically nearly exclusively located on the upper lip.
Erythema nodosum is a form of panniculitis characterised by tender red nodules, 1–10 cm, associated with systemic symptoms including fever, malaise, and joint pain. Nodules may become bluish-purple, yellowing, and green, and subside over a period of 2–6 weeks without ulcerating or scarring.