2024年12月20日 · Lichen planus (LP) is a pruritic, chronic inflammatory dermatosis resulting from keratinocyte apoptosis that affects the skin, mucous membranes, genitalia, scalp (lichen planopilaris), and nails. Pittelkow MR, Daoud MS. Lichen planus. In: Wolff K, Goldsmith LA, Katz SI, et al, eds. Fitzpatrick's dermatology in general medicine. Vol One. 7th ed.

2024年9月12日 · Lichen sclerosus (LS, also known as balanitis xerotica obliterans in men) is an inflammatory skin condition with a chronic relapsing and remitting course. Characteristic findings on examination of the cutaneous lesions are atrophic white plaques, typically found in the anogenital area, which may...

2024年3月27日 · Lichen simplex chronicus (LSC; also known as neurodermatitis) is a common cutaneous disorder characterised by well-circumscribed erythematous, often hyperpigmented, plaques of thickened lichenified skin. It most commonly occurs on the neck, ankles, scalp, pubis, vulva, scrotum, and extensor forearms as a result of chronic rubbing and scratching.

2020年11月26日 · Typically asymptomatic, and presents as small grouped papules in an annular configuration. Localised disease is the most common subtype; patients are often women in their 30s.

2022年8月9日 · Other causes of oral ulceration include trauma, inflammatory conditions such as oral lichen planus or graft versus host disease, medications (e.g., nonsteroidal anti-inflammatory drugs [NSAIDs], nicorandil), infections (herpes simplex virus infection, syphilis), and malignancy (i.e. oral squamous cell carcinoma).

2024年12月10日 · Oral mucosal ulcerations are common. Most are self-resolving and transient (e.g., after a simple cheek bite). However, some may require the intervention of a medical or dental practition

Lichen planus is an idiopathic inflammatory disease affecting the skin, hair, nails, and mucous membranes, usually self-limiting in nature. Characteristic eruption consists of itchy, shiny, flat-topped violaceous papules and plaques favouring the extremities.

2023年11月18日 · Lichen simplex chronicus may occur as a primary process with no underlying dermatosis or as a secondary process due to an underlying pruritic dermatosis (such as atopic dermatitis or allergic contact dermatitis) or a systemic condition causing pruritus.

2021年1月19日 · Myasthenia gravis (MG) is a chronic autoimmune disorder of the post-synaptic membrane at the neuromuscular junction in skeletal muscle.

2021年8月12日 · Oral mucositis secondary to cancer therapy is an acute inflammation of the oral mucosa in response to systemic oncology therapy and/or radiation to fields involving the oral cavity.