perifollicular


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perifollicular

[¦per·ə·fə′lik·yə·lər]
(histology)
Surrounding a follicle.
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Desired endpoints for hair removal include perifollicular edema and erythema.
Nevus lipomatosus cutaneous superficialis with perifollicular fibrosis.
In both areas, there was moderate perifollicular erythema, scale, and what appeared to be scarring.
Superficial folliculitis, also known as Bockhart's impetigo, is an infection of the follicular ostium and typically presents with perifollicular pustules on an erythematous base that may be painful or pruritic and can occur throughout the corpus, including the anterior trunk.
The striking clinical features in patients with AD-like GVHD included eczematous dermatitis, dry skin, pronounced itching and perifollicular accentuation, and the features of LP-like GVHD patients included erythematous/violaceous flat-topped papules or plaques with or without surface reticulations or a silvery or shiny appearance [Figure 1]a and [Figure 1]b.
The repigmentation usually appears in a perifollicular pattern, or it extends from the periphery of the lesion, or it occurs in a combination of patterns.
Transient erythema and perifollicular edema were found in all the three modalities, hypopigmentation was associated with QS 1064-nm Nd:YAG laser in less than 1% compared to 18% and 17% in ruby and alexandrite lasers, respectively.
Perifollicular accentuation and prurigo lesions also are common in patients with skin of color.
Dermatoscopy showed decreased hair density with loss of follicular openings, hyperkeratotic perifollicular white scales, perifollicular erythema and occasionally perifollicular pustules.
40) Patients may also develop associated skin manifestations, including cutaneous fibrofolliculomas, trichodiscomas, and perifollicular fibromas, and are potentially at risk of melanoma.
It usually occurs in prepubertal children and its main features are hyperkeratotic perifollicular papules forming sharply demarcated erythematous plaques, localized to the elbows, knees, and dorsal aspects of the hands and feet.
Notably, increased survivin may affect both the sebaceous gland (sebocyte survival) and the perifollicular dermal tissue (scar formation).