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132 Possible Causes for Psoriasiform Hyperplasia

  • Familial Reactive Perforating Collagenosis

    The epidermis around invagination showed moderate psoriasiform hyperplasia with acanthosis and mild spongiosis.[] The epidermis around invagination showed moderate psoriasiform hyperplasia, acanthosis, mild spongiosis, and focal parakeratosis [Figure 6] .[]

  • Acute Generalized Exanthematous Pustulosis

    In most cases, the epidermis was uninvolved or exhibited spongiosis without psoriasiform hyperplasia (61 %).[]

  • Penile Intraepithelial Neoplasia

    Epidermal psoriasiform hyperplasia, hyperkeratosis, and focal parakeratosis are also common features.[]

  • Erythroderma Desquamativum

    hyperplasia Features of acute lesion Chronic lesions Prominent psoriasiform hyperplasia Crusting scales in a folliculocentric distribution (supports seborrhoeic dermatitis[] […] neutrophils Focal spongiosis Sparse superficial perivascular infiltrate of lymphocytes and histiocytes Subacute lesions Numerous yeast species in the stratum corneum Mild psoriasiform[]

  • Blepharitis

    Biopsy of the lower eyelids exhibited psoriasiform hyperplasia. Topical 0.1% tacrolimus achieved improvement but caused some subjective eye irritation.[] Psoriasiform dermatitis manifesting on the eyelids is rare, may be associated with insufficient tear drainage, and may respond favorably to 0.1% tacrolimus.[]

  • Tinea Capitis

    Epidermal changes can include spongiosis, intraepidermal vesicles or psoriasiform hyperplasia.[]

  • Psoriasis

    Repeat punch biopsies demonstrated parakeratosis, psoriasiform hyperplasia, and dilated blood vessels consistent with psoriasis.[]

  • Propionic Acidemia

    Minimal psoriasiform hyperplasia was also noticed. A provisional diagnosis of necrolytic migratory erythema was made.[]

  • Netherton Syndrome

    The histological features of skin biopsies, usually described as a psoriasiform hyperplasia, have only been reported in isolated case reports or small case series.[] In this cohort, the most frequent histological finding was also psoriasiform hyperplasia, but there were additional, less common, or previously unreported findings, including[]

  • Sézary Syndrome

    Early lesions show mildly hyperkeratotic psoriasiform hyperplasia with patchy parakeratosis overlying a superficial perivascular lymphocytic infiltrate, which may be indistinguishable[] A psoriasiform hyperplasia of the epidermis can be seen. The papillary dermis shows fibrosis with coarse bundles of collagen.[]

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