lichenification


Also found in: Encyclopedia, Wikipedia.

lichenification

 [li-ken″ĭ-fĭ-ka´shun]
thickening and hardening of the skin, with exaggeration of its normal markings.

li·chen·i·fi·ca·tion

(lī'ken-i-fi-kā'shŭn),
Leathery induration and thickening of the skin with hyperkeratosis, caused by scratching, as in atopic or chronic contact dermatitis.
[lichen + L. facio, to make]

lichenification

Induration of the skin with hyperpigmentation, acanthosis and hyperkeratosis, usually in response to chronic pruritus.

lichenification

Induration of the skin with hyperpigmentation, acanthosis, hyperkeratosis, often linked to chronic pruritus

li·chen·i·fi·ca·tion

(lī'ken-i-fi-kā'shŭn)
Leathery induration and thickening of the skin with hyperkeratosis, caused by scratching in atopic or chronic contact dermatitis.
[lichen + L. facio, to make]

lichenification

Hardening and thickening of the skin so as to produce the condition of LICHEN SIMPLEX.
References in periodicals archive ?
The main feature of chronic allergic CD is epidermal reaction with lichenification, fissures, and pruritus (2).
Caption: FIGURE 2: Ill-defined erythematous patches on the backs of the knees with scaling, lichenification, and excoriations.
Lichenification of antecubital and popliteal fossae is common [7].
Horses with MEED frequently showed areas of alopecia and exudative dermatitis, with epidermal ulcerations, hyperkeratosis, and lichenification. The head and lower parts of the legs, especially the coronary bands, are always involved (NIMMO WILKIE et al., 1985; HENSON et al., 2002; BOSSELER et al., 2013; MAULDIN & PETERS-KENNEDY, 2016).
In patients with skin of color, blanching of the skin may be helpful to detect erythema, lichenification, follicular accentuation, and hypopigmentation (all of which are more common than in lighter-skinned patients).
Cases under study showed erythema, lichenification, excoriation and alopecia, these lesions were identified as lesions in different parts of body such as pedal dermatitis 100%, facial lesion 90%, ear pinna 100% and ventral abdomen 60%.
The SCORAD index contains 6 items to evaluate AD intensity: erythema, excoriation, oedema or papulation, lichenification, oozing or crust, and dryness.
The shape of skin lesions was defined as erythema (E), induration/ papulation (I), excoriation (Ex), and lichenification (L).
Localised body macules/papules at the bite site may occur Itch Mites Forearms, inter Skin rashes, (Scabies, Sarcoptes digital, genital subcutaneous courses scabiei) area Harvest mites Skin surfaces Red macules and wheals (Trombidiosis) under tight clothing Cheyletiellosis Arms and trunk, Polymorphic rash contact points with pets Bird mites All over Macular rash Head Lice In the hair of Bar-shaped scratch (Pediculosis) the head effects with lichenification and hyper-pigmentation (Vagabond's disease) Spiders, e.g.
The Mongoloid skin has a tendency towards lichenification; they occupy an intermediate position between Caucasoids and Congoids with regards incidence of skin disease.3
* Excoriations, papules, eczema, small vesicles and lichenification