2018年3月10日 · Lichenoid keratosis is a skin condition that typically occurs as a single papule or thickened area. We’ll show you what it looks like, and explain what causes it and how it’s treated.

Cutaneous lichen planus (CLP) most commonly involves the flexor surfaces of the extremities and presents as small itchy violaceous Papules in middle-aged adults. “Pruritic, Purple, Polygonal, Planar, Papules, and Plaques” are the traditional 6 “P's” of LP [ 1 ].

Lichenoid keratosis is an inflammatory reaction arising in a regressing existing solar lentigo or seborrhoeic keratosis. It is not known what causes the reaction, but triggers can include minor trauma such as friction, drugs, dermatitis , and sun exposure.

Photosensitive lesions that appear whitish (dyschromic) pinhead and papules are called actinic lichen nitidus, which is now considered a separate and distinct entity from LPA. LPA is usually diagnosed based on lesion distribution and skin biopsy results.

Keratosis lichenoides chronica is characterised by brownish-purple, thick scaly papules or small nodules on the trunk and extremities. The papules are generally arranged in a linear or reticular pattern and are symmetrically distributed. They are usually asymptomatic but …

Consisting of polygonal, pruritic, planar papules or plaques, lichen planus is a heterogeneous papulosquamous eruption of variable morphologic manifestation but a consistent histologic phenotype.

2023年7月4日 · Lichen nitidus is a rare benign condition characterized by extensive 1- to 2-mm skin-colored papules commonly occurring on upper extremities, chest, abdomen, or genitalia. It typically occurs in children and young adults as a self-limited process with no long-term sequelae.

Lichenoid infiltrates, as seen in our patients, are not a feature of any form of rosacea. The recently described miliarial-type perifollicular B-cell pseudolymphoma presents with tiny papules but these are scattered on the face and do not have a preference for the nose or central face.

Explore lichenoid eruptions, a group of skin conditions characterized by flat-topped papules. Learn about the types, causes, symptoms, diagnosis, and treatment options to better understand and manage these skin conditions.

2022年4月28日 · Three morphological elements occur side by side: keratotic lichenoid papules, lesions with psoriasiform scaling, and, most importantly, striate to plaque-like keratoses. Reddening and keratoses on the face, which are reminiscent of seborrheic eczema or lupus erythematosus, are less common.