Scabies Incognito Presenting as a Subcorneal Pustular Dermatosis-like Eruption

Karaca, Şemsettin; Kelekci, Kiymet Handan; Er, Oğuz; Pektaş, Bayram; Gökmen, Ayşegül Aksoy

doi:10.5152/tpd.2015.3945

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…In addition to bullous pemphigoid-like lesions of bullous scabies, the morphology of infectious lesions in patients with scabies incognito can mimic acute skin rejection (in vascularized composite allotransplantation), arthropod bites, contact dermatitis, eczematous dermatitis, impetigo, Langerhans cell histiocytosis, psoriasis, seborrheic dermatitis, subcorneal pustular dermatosis, and urticaria pigmentosa. 2 , 15 , 30 , 36 , 42 – 45 …”

Section: Discussionmentioning

confidence: 99%

“…The morphology mimics not only bullous dermatoses but also several other skin conditions. 2 , 15 , 30 , 36 , 42 – 45 [e] The pruritic nodules (reddish to brown and 2 to 20 mm) are often located on the axilla, buttocks, genitalia, groin, penis, and scrotum. The pruritic lesions are a hypersensitivity reaction and typically do not contain mites; however, they can persist for weeks to months following the successful treatment of the infestation.…”

Section: Figurementioning

confidence: 99%

“…The morphology mimics not only bullous dermatoses but also several other skin conditions. 2 , 15 , 30 , 36 , 42 – 45 …”

Section: Figurementioning

confidence: 99%

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Scabies masquerading as bullous pemphigoid: scabies surrepticius

Cohen

2017

CCID

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Scabies, a parasitic infestation caused by the mite Sarcoptes scabiei, is diagnosed by observing either the mite, its ova, or its excrement. The mite tracts, known as burrows and a characteristic presentation of the pruritic condition, are typically found on the web spaces between the fingers. Other cutaneous lesions include excoriated papules, pustules, and vesicles. However, atypical clinical variants of scabies, such as bullous, crusted, hidden, incognito, nodular, and scalp forms of the parasitic infestation, mimic the morphologic features of other non-parasitic dermatoses. A 76-year-old man presented with pruritic blisters and urticarial plaques that demonstrated not only pathology changes, but direct immunofluorescence also showed findings of bullous pemphigoid. His condition improved, but did not resolve, with topical corticosteroid cream for the management of the primary autoimmune blistering disorder. When other family members subsequently developed scabies, the correct diagnosis for his condition, bullous scabies, was established by demonstrating mites, ova, and scybala on a mineral oil preparation from a skin scraping of a newly appearing burrow. Bullous scabies can masquerade not only clinically, but also both pathologically and immunologically as bullous pemphigoid. Scabies serrupticius is introduced as a unifying term to designate all of the non-classic presentations of S. scabiei mite infestation.

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Section: Discussionmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

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Scabies masquerading as bullous pemphigoid: scabies surrepticius

Cohen

2017

CCID

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“…Scabies with an unusual presentation can be misdiagnosed as other diseases, such as pustular psoriasis [5], rupioid psoriasis [6], and atopic eczema. If the diagnosis is delayed, complications such as impetigo and subsequent glomerulonephritis can occur.…”

Section: Case Discussionmentioning

confidence: 99%