2016
DOI: 10.1111/cup.12733
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Wong‐type dermatomyositis: a mimic of many dermatoses

Abstract: Wong-type dermatomyositis (DM) is a rare variant characterized by keratotic follicular papules that may mimic pityriasis rubra pilaris. Histopathologic examination shows follicular and non-follicular epidermal invaginations filled with keratin. The diagnosis is often delayed. Twenty-four cases of Wong-type DM have been reported thus far in the literature. Herein, we report the clinical and histopathologic findings of three additional cases in order to raise awareness of the disorder.

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Cited by 23 publications
(26 citation statements)
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“…This subtype affects patients between nine and 89 years of age [5], while classic DM predominantly affects females and may present with severe muscle involvement and internal organ damage [5]. Twenty-nine cases have been reported in the literature [5,6].…”
Section: Dear Editorsmentioning
confidence: 99%
See 1 more Smart Citation
“…This subtype affects patients between nine and 89 years of age [5], while classic DM predominantly affects females and may present with severe muscle involvement and internal organ damage [5]. Twenty-nine cases have been reported in the literature [5,6].…”
Section: Dear Editorsmentioning
confidence: 99%
“…On histological study, the most common findings are follicular hyperkeratosis and compact orthokeratosis within non-follicular epidermal invaginations [5]. Most cases show findings of DM, such as vacuolar interface dermatitis or dermal mucin deposition; exceptional findings include dyskeratosis, compact orthokeratosis alternating with parakeratosis in horizontal and vertical directions, and arrector pili inflammation [6].…”
Section: Dear Editorsmentioning
confidence: 99%
“…Dieser Subtyp tritt bei Patienten jeder Altersgruppe (von 9 bis 89 Jahren) auf [5], die klassische DM findet sich bevorzugt bei weiblichen Patienten und kann mit einer schweren Muskelbeteiligung und der Schädigung innerer Organe einhergehen [5]. In der Literatur finden sich Berichte über 29 Fälle einer DM vom Wong-Typ [5,6].…”
unclassified
“…Die häufigsten histologischen Befunde sind follikuläre Hyperkeratose und kompakte Orthokeratose innerhalb nicht-follikulärer epidermaler Invaginationen [5]. In den meisten Fällen finden sich Anhaltspunkte für DM wie eine vakuoläre Interface-Dermatitis oder dermale Muzin-Ablagerungen; ausnahmsweise kommen auch Dyskeratosen, kompakte Orthokeratosen im Wechsel mit Parakeratosen in vertikaler und horizontaler Richtung sowie Entzündungen der Haarbalgmuskeln (Musculi arrectores pilorum) vor [6].…”
unclassified
“…5 In another case, malignancy was detected 5 years after the diagnosis. 3 It has yet to be elucidated whether Wongtype DM is significantly associated with malignancy; therefore, thorough examinations and careful follow up are necessary in cases of this type DM.…”
mentioning
confidence: 99%