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Lichen planus may be categorized as affecting mucosal or cutaneous surfaces.. Cutaneous forms are those affecting the skin, scalp, and nails. [10] [11] [12]Mucosal forms are those affecting the lining of the gastrointestinal tract (mouth, pharynx, esophagus, stomach, anus), larynx, and other mucosal surfaces including the genitals, peritoneum, ears, nose, bladder and conjunctiva of the eyes.
Wickham striae or Wickham's striae are whitish lines visible in the papules of lichen planus and other dermatoses, typically in the oral mucosa. [1] The microscopic appearance shows hypergranulosis .
Louis Frédéric Wickham (28 February 1861 in Paris – 14 October 1913 in Mesnil-le-Roi) was a French physician and pathologist remembered for describing Wickham striae. [1] He trained in medicine in Paris, receiving his M.D. in 1890.
A constant improvement of lesions, a depletion of Wickham striae, and a disappearance of erosions were observed at weeks four and eight of treatment. At week twelve, there was a total recovery of the right buccal mucosa. No adverse events have occurred during the treatment and Abrocitinib was well tolerated by the patient. [28]
Striae are caused by tearing of the dermis during periods of rapid growth of the body, such as during puberty or pregnancy, in which they usually form during the last trimester. Usually on the belly, these striae also commonly occur on the breasts, thighs, hips, lower back, and buttocks. Pregnancy-related striae are known as striae gravidarum. [2]
higher potency corticosteroids, more frequent application, extended duration of treatment, [3] use of occlusion, infancy/childhood, location [2] Diagnostic method: Visual inspection of skin for visible signs of skin atrophy [1] Prevention: Intermittent maintenance therapy; increasing duration of interval between applications [4] Management
Linear focal elastosis or elastotic striae is a skin condition that presents with asymptomatic, palpable or atrophic, yellow lines of the middle and lower back, thighs, arms and breasts. [ 1 ] Signs and symptoms
The striae of Retzius are incremental growth lines or bands seen in tooth enamel. They represent the incremental pattern of enamel, the successive apposition of different layers of enamel during crown formation.