Limitations of standardized skin surface biopsy in measurement of the density of Demodex folliculorum. A case report

Forton, F.; Song, Micheline

doi:10.1046/j.1365-2133.1998.02471.x

Cited by 59 publications

(82 citation statements)

References 12 publications

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“…They are mainly found in the pilosebaceous glands and their density is normally less than 5 mites/cm 2 of skin (Sakuntabhai andTimpatanapong 1991, Forton andSong 1998). Factors controlling the presence and density of D. folliculorum are poorly known (Aydingoz et al 2000).…”

Section: Discussionmentioning

confidence: 99%

“…Demodicidosis occurs throughout the world, and the incidence of infestation is related to age (Sakuntabhai andTimpatanapong 1991, Forton andSong 1998). Recent reports of demodicidosis in association with acquired immunodeficiency syndrome (AIDS) and cancer chemotherapy have suggested that immune deficiency may be associated with the multiplication of this mite (Castanet et al 1997, Patrizi et al 1997, Aydingoz et al 2000, Jansen et al 2001, Damian and Rogers 2003.…”

Section: Discussionmentioning

confidence: 99%

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Demodex folliculorum in patients with rheumatoid arthritis

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Çetınkaya

et al. 2007

Acta Parasitologica

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The objective of this study was to investigate the incidence and density of Demodex folliculorum in the patients with rheumatoid arthritis (RA). Forty-one patients with RA and twenty-seven age and sex matched healthy controls were enrolled in this study. Disease Activity Score (DAS 28) was used for the assessment of disease activity. Out of 41 patients, 33 were females and 8 males. The mean disease duration was 10.9 ± 8.2 years. The mean DAS 28 was 3.8 ± 1.2. No statistically significant differences in the incidence and density of Demodex mites were found between patients with RA and controls. Although immunosuppression is thought to be a risk factor for the D. folliculorum infestation no such correlations could be found in the 41 immunosuppressed patients with RA, therefore, further studies with larger groups are needed.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Demodex folliculorum in patients with rheumatoid arthritis

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Dündar

Çetınkaya

et al. 2007

Acta Parasitologica

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“…Using adhesive tapes, comedo extraction, hair epilation, skin impression/scraping, skin biopsy, and skin surface biopsy are the most commonly used techniques in this regard (13,14,34). We chose the SSSB technique owing to its non-invasiveness and high sensitivity compared with the other available methods (12,35).…”

Section: Discussionmentioning

confidence: 99%

Demodex Mite, Rosacea and Skin Melanoma; Coincidence or Association?

Talghini

Fouladi²,

Babaeinejad³

et al. 2015

TurkiyeParazitolDerg

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Objective: To examine the possible associations between Demodex folliculorum and a number of skin diseases. Methods: Standardized skin surface biopsy samples were obtained from the cheeks of 144 patients with histopathologically proven basal cell carcinoma (BCC, n=27), squamous cell carcinoma (SCC, n=28), melanoma (n=23), discoid lupus erythematosus (DLE, n=32), and rosacea (n=34). Thirty-four sex-and age-matched healthy volunteers served as controls. Mite density (per cm 2 ) and infestation (density≥5) were compared between the controls and patients. Results: Mite infestation rates (%) did not differ significantly between the controls (20.6) and patients with BCC (22.2, p=0.88), SCC (17.9, p=0.79), melanoma (4.3, p=0.08), and DLE (21.9, p=0.90). Compared with the controls, the mite infestation rate was significantly higher in patients with rosacea (47.1, p=0.02, odds ratio: 3.43, 95% confidence interval: 1.18-9.99). The mean mite density did not differ significantly between the controls (4.11±2.17) and patients with BCC (5.34±2.35, p=0.75), SCC (3.57±2.01, p=0.38), and DLE (3.56±1.34, p=0.83), whereas it was significantly higher in patients with rosacea (8.78±3.58, p=0.02) and lower in patients with melanoma (1.89±0.69, p=0.02). Conclusions: D. folliculorum may be associated with rosacea and melanoma but not with BCC, SCC, or DLE. Metot: Standardize yüzeyel deri biyopsisi örnekleri; bazal hücreli karsinom (BCC, n=27), skuamöz hücreli karsinom (SCC, n=28), melanom (n=23), diskoid lupus eritematozus (DLE, n=32), ve rozasea (n=34) tanıları histopatolojik olarak kanıtlanmış 144 hastanın yanaklarından alındı. Cinsiyet ve yaşı eşleştirilmiş 34 sağlıklı gönüllü kontrol grubunu oluşturdu. Akar dansitesi (cm 2 başına) ve enfestasyon (dansite≥5) hasta ve kontrol grubu arasında karşılaştırıldı. Bulgular: Akar enfestasyon hızları (%) kontrol grubu (20,6) ile BCC (22,2, p=0,88), SCC (17,9, p=0,79), melanom (4,3, p=0,08), ve DLE (21,9, p=0,90) hastaları arasında anlamlı bir farklılık göstermedi. Kontrol grubuna kıyasla, akar enfestasyon hızı, rozasea olanlarda anlamlı olarak yüksekti (47,1, p=0,02; odds oranı: 3,43, %95 güven aralığı: 1,18-9,99). Ortalama akar dansitesi kontrol grubu (4,11±2,17) ile BCC (5,34±2,35, p=0,75), SCC (3,57±2,01, p=0,38), ve DLE (3,56±1,34, p=0,83) hasta grupları arasında anlamlı bir fark göstermezken, kontrol grubuna kıyasla

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“…Demodex spp. proliferasyonu püstüler follikülit, pitriazis follikülorum, papülopüstüler ve granülomatöz rozasea gibi dermatolojik sorunlara neden olabilmektedir (10,11) . Polat ve ark.…”

Section: Discussionunclassified