Granulomatous rosacea-like demodicidosis

Demodicidosis may present as pityriasis folliculitis, papulopustular lesions, rosacea-like eruptions, and granulomatous rosacea-like eruptions. We report a case of demodex granuloma presenting with recurrent granulomatous rosacea-like papules on the face in a middle-aged woman. The diagnosis of demo...

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Published inDermatology online journal Vol. 13; no. 4; p. 9
Main Authors Lee, Julia Yu-Yun, Hsu, Chao-Kai
Format Journal Article
LanguageEnglish
Published United States University of California Digital Library - eScholarship 13.10.2007
Subjects
Abscesses
Antiparasitic agents
Biopsy
Dermatology
Diagnosis, Differential
Erythema
Face
Female
Granuloma - etiology
Granulomas
Humans
Lupus
Middle Aged
Mite Infestations - complications
Mite Infestations - pathology
Neutrophils
Rosacea
Rosacea - diagnosis
Skin
Skin - pathology
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ISSN1087-2108
1087-2108
DOI10.5070/D36NF1D13J

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Summary:Demodicidosis may present as pityriasis folliculitis, papulopustular lesions, rosacea-like eruptions, and granulomatous rosacea-like eruptions. We report a case of demodex granuloma presenting with recurrent granulomatous rosacea-like papules on the face in a middle-aged woman. The diagnosis of demodicidosis was made by finding extrafollicular mites in the perifollicular inflammatory infiltrate. The papules resolved after 3 weeks of systemic and topical metronidazole, and low-dose oral prednisolone therapy. In summary, demodex granuloma may be mistaken for granulomatous rosacea-like papules. Correct diagnosis can be facilitated by finding extrafollicular demodex mites in skin biopsy specimens.
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ISSN:1087-2108
1087-2108
DOI:10.5070/D36NF1D13J