“Generalized exanthematous pustular dermatophytid” in a 4-year-old child: A misdiagnosed entity

Abstract

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Generalised exanthematous pustular dermatophytids during Trichophyton violaceum tinea capitis

“…5 Other clinical forms of dermatophytids include lichen scrofulosum-like follicular papules of the trunk, 6 erythema nodosum, 7 erythema multiforme, 8 erythema annulare centrifugum, 9 or psoriasis-like. 10 Our case is rather similar to another clinical presentation that has been described previously by some authors 2,11,12 and individualised by Ronjat et al as generalised exanthematous pustular dermatophytids (GEPD). 2 Dermatophytids present as nonfollicular nonconfluent pustules of the head and trunk in the setting of scalp ringworm infection by trichophyton sp.…”

“…2,11 In case of dermatophytids, biopsy of a pustule may show a subcorneal pustule containing a small amount of neutrophils and a perivascular, lymphohistiocytic inflammatory infiltrate with the presence of some eosinophils in the dermis. 12 Papillary oedema, vasculitis and keratinocyte necrosis will in favour for AGEP. 15 Of note, a specific AGEP EuroSCAR score is available if necessary 15 and the score was 0 in our patient.…”

“…Dermatophytids present as nonfollicular nonconfluent pustules of the head and trunk in the setting of scalp ringworm infection by trichophyton sp. ( Trychophyton soudanense , Trychophyton tonsurans or Trychophyton mentagrophytes ) that develop rapidly after initiation of fungal therapy 2,11,12 . On fair skin, pustules disclose an erythematous base, 12 that may lack on skin of colour.…”

Comparison of samples of blister fluid and scales in the diagnosis of dermatomycosis

“…There are also some reports of tinea corporis with blister or pustule manifestations 28–31 . Apart from these, tinea incognito 32–34 and dermatophytid 35–38 also have blistering or pustular manifestations. Therefore, it makes sense to diagnose dermatomycosis by collecting blister fluid.…”

“…[24][25][26][27] There are also some reports of tinea corporis with blister or pustule manifestations. [28][29][30][31] Apart from these, tinea incognito [32][33][34] and dermatophytid [35][36][37][38]…”