488 results match your criteria Demodicosis


Novel detection method involving non-invasive sebum collection and next-generation sequencing.

Postepy Dermatol Alergol 2022 Apr 16;39(2):321-326. Epub 2021 Jul 16.

Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland.

Introduction: mites are common human ectoparasites found across a broad geographical range. They reside in pilosebaceous units of the skin and feed on sebum, epithelial and glandular cells. is the more common mite, inhabiting the upper end of the pilosebaceous unit while resides deeper in the skin and meibomian glands. Read More

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Mites in Relation to the Degree of among Egyptian Patients.

Pak J Biol Sci 2022 Jan;25(5):406-414

<b>Background and Objective:</b> <i>Demodex</i> mites are considered to play a pathogenic role in facial dermatoses as <i>Acne vulgaris</i>. In this study the association between <i>Acne vulgaris</i> and <i>Demodex</i> spp. intensity, kind and activity were investigated. Read More

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January 2022

Could there be an association between Hashimoto's thyroiditis and demodex infestation?

J Cosmet Dermatol 2022 Apr 29. Epub 2022 Apr 29.

Department of Dermatology, University of Kocaeli, Kocaeli, Turkey.

Background: Human demodex mites are parasites that live in the pilosebaceous unit and can result in the disease demodicosis. While demodicosis may occur as a primary skin disease; immunosuppression, and topical or systemic immunosuppressive treatments can cause secondary demodicosis. It is known that thyroid hormones may cause skin changes, such as xerosis, and thereby may also modulate immune responses in the skin. Read More

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Facial demodicosis in the immunosuppressed state: a retrospective case series from a tertiary referral center.

Int J Dermatol 2022 Apr 10. Epub 2022 Apr 10.

Division of Dermatology, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel.

Background: Data on Demodex in the immunosuppressed state is limited, focusing mainly on patients with human immunodeficiency virus and hematological malignancies. The aim of this study was to describe the manifestations of facial demodicosis in diverse immunosuppressive states.

Methods: The medical records of all patients followed at a Demodex outpatient clinic of a tertiary medical center from January 2008 to November 2020 were retrospectively reviewed. Read More

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Demodicosis Associated with Wearing a Face Mask: A Case Report.

Case Rep Dermatol 2022 Jan-Apr;14(1):19-23. Epub 2022 Feb 15.

School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Wattana, Bangkok, Thailand.

mites are common ectoparasites of human pilosebaceous units that do not cause any skin symptoms. However, when there is an abnormal increase in mite density, it can cause multiple skin disorders which are grouped under the term demodicosis. During the COVID-19 outbreak, public health authorities worldwide recommend people to wear face masks when in public places to reduce respiratory transmission. Read More

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February 2022

Demodicosis Imitating Acne Vulgaris: A Case Report.

Clin Cosmet Investig Dermatol 2022 19;15:497-501. Epub 2022 Mar 19.

School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Bangkok, 10110, Thailand.

Demodicosis is caused by mite infestation and can present with a variety of clinical manifestations, including pityriasis folliculorum type, rosacea-like type, folliculitis-like type and perioral dermatitis-like type. Therefore, this skin condition is often misdiagnosed or underdiagnosed. This report presents a 19-year-old woman with a history of pityriasis folliculorum type demodicosis and successful treatment with oral ivermectin. Read More

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The association of demodex infestation with pediatric chalazia.

BMC Ophthalmol 2022 Mar 16;22(1):124. Epub 2022 Mar 16.

Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, Guangdong Province, China.

Purpose: This study aimed to investigate the association of Demodex infestation with pediatric chalazia.

Methods: In a prospective study, 446 children with chalazia and 50 children with non-inflammatory eye disease (controls) who underwent surgical treatment were enrolled from December 2018 to December 2019. Patient ages ranged from 7 months to 13 years old. Read More

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Fluralaner 5.46% (w/w) flavored chewable tablet (Bravecto 1-Month) is effective for treatment of canine generalized demodicosis.

Parasit Vectors 2022 Mar 12;15(1):83. Epub 2022 Mar 12.

Merck Animal Health, 2 Giralda Farms, Madison, NJ, 07940, USA.

Background: Orally administered fluralaner (13.64% w/w) is effective for treating canine generalized demodicosis. A study was initiated to assess the efficacy of a novel 5. Read More

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Rosacea, an infectious disease: why rosacea with papulopustules should be considered a demodicosis. A narrative review.

Authors:
F M N Forton

J Eur Acad Dermatol Venereol 2022 Jul 31;36(7):987-1002. Epub 2022 Mar 31.

Dermatology, Dermatology Clinic, Brussels, Belgium.

Rosacea and demodicosis are common facial conditions in dermatology practice. While demodicosis is clearly the result of Demodex mite infestation, the pathogenicity of rosacea is still not sufficiently explained, so that it is defined by its symptoms, and not by its cause. It is usually considered as a disease of the immune system associated with neurogenic inflammation triggered by various factors (ultraviolet light, heat, spicy food, alcohol, stress and microorganisms). Read More

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Atypical localization of demodicosis after COVID-19 infection.

Clin Case Rep 2022 Feb 13;10(2):e05446. Epub 2022 Feb 13.

Dermatology department Fattouma Bourguiba Hospital University of Medicine Monastir Tunisia.

Since its outbreak in December 2019, a consistent number of case reports have been published describing a complex spectrum of skin manifestations associated with COVID-19. We report a first observation of demodicosis of the scalp after a severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) infection. Read More

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February 2022

Effectiveness of a fluralaner spot-on formulation in a case of feline demodicosis due to .

JFMS Open Rep 2022 Jan-Jun;8(1):20551169211069529. Epub 2022 Jan 27.

Companion Animal Clinic, Medicine Unit, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.

Case Summary: A 7-year-old male domestic shorthair cat was presented with a non-pruritic erythematous crusted nasal hypotrichosis along with bilateral ceruminous otitis externa. The cat was diagnosed with diabetes mellitus and was positive for feline immunodeficiency virus (FIV). Deep skin scraping, trichograms from lesional skin and ear canal parasitological examination were positive for . Read More

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January 2022

Efficacy of oil combination with leaf and pericarps against canine demodicosis.

Vet World 2021 Nov 16;14(11):2919-2928. Epub 2021 Nov 16.

Department of Parasitology, Gifu University School of medicine, Gifu 501-1194, Japan.

Background And Aim: Canine demodicosis is a skin disease that is a major global health problem in dogs. Ivermectin is a drug of choice for treatment, but it may cause toxicity in dogs carrying multidrug resistance mutation-1 gene mutations. Hence, alternative herbal medicines are used instead of the drug, such as oil (YN oil), leaf (WC), and pericarps (MG) extracts. Read More

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November 2021

Case Report: A New Gain-of-Function Mutation of Identified in a Patient With Chronic Mucocutaneous Candidiasis and Rosacea-Like Demodicosis: An Emerging Association.

Front Immunol 2021 20;12:760019. Epub 2021 Dec 20.

Department of Clinical Immunology and Internal Medicine, National Reference Center for Systemic Autoimmune Diseases (CNR RESO), Tertiary Center for Primary Immunodeficiency, Strasbourg University Hospital, Strasbourg, France.

Purpose: Heterozygous missense mutations leading to a gain of function (GOF) are the most frequent genetic cause of chronic mucocutaneous candidiasis (CMC). We describe the case of a patient presenting a new GOF mutation of with the clinical symptoms of CMC, recurrent pneumonia, and persistent central erythema with papulopustules with ocular involvement related to rosacea-like demodicosis.

Methods: Genetic analysis targeted next-generation sequencing (NGS; NGS panel DIPAI v. Read More

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February 2022

Tattoos Dermatological Complications: Analysis of 53 Cases from Northern Poland.

Dermatology 2021 Dec 30:1-8. Epub 2021 Dec 30.

Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland.

Background: The frequency of tattoos varies from 10% to 30% across the population worldwide. The growing popularity of tattooing increases the number of cutaneous reactions connected with this procedure. As we have not found any previous studies in the literature concerning tattoo complications in Poland and other Eastern European countries, we believe this to be the first study of this kind. Read More

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December 2021

Skin disease in goats (Capra aegagrus hircus): a retrospective study of 358 cases at a university veterinary teaching hospital (1988-2020).

Vet Dermatol 2022 Jun 27;33(3):227-e64. Epub 2021 Dec 27.

Department of Population Health & Reproduction, School of Veterinary Medicine, University of California, Davis, CA, 95616, USA.

Background: Goats are important worldwide as a source of milk, meat, fibre and hide, and as show animals and pets.

Hypothesis/objectives: To document the type, signalment associations and prevalence of skin disease in a referral hospital population.

Animals: Case population at a university veterinary teaching hospital. Read More

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Effect of ocular demodicosis on the stability of the tear film and the tear break up time.

Sci Rep 2021 12 21;11(1):24296. Epub 2021 Dec 21.

Department of General Biology and Parasitology, Medical University of Warsaw, 02-004, Warsaw, Poland.

The aim of the study was to analyze the correlation between the presence of Demodex mites in the hair follicles of patients' eyelashes and the stability and break up time of the tear film assessed with the Non-Invasive Tear Break Up Times (NIBUT) method. 319 patients were included in the study (195 women, 124 men). The patients were divided into two groups: those with Demodex infestation and without visible symptoms of eyelid or eye surface diseases, and asymptomatic non-infested patients. Read More

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December 2021

Feline Demodicosis Case Report-First Molecular Characterization of Mites in Romania.

Pathogens 2021 Nov 12;10(11). Epub 2021 Nov 12.

Department of Parasitology and Dermatology, Banat's University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" from Timisoara, no. 119, Calea Aradului, 300645 Timisoara, Romania.

Cat demodicosis is uncommon to rare, and is caused by , and another unnamed species. The investigated patient was a mix-breed, 10-year-old feline with no dermatological history. Alopecia, erythema, minor erosions and ulcerations and crusts, associated with pruritus and self-trauma, were observed on the head. Read More

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November 2021

Evaluation of demodicosis, nailfold capillaroscopy, and oxidative stress in rosacea: a case-control study.

Postepy Dermatol Alergol 2021 Aug 17;38(4):590-596. Epub 2021 Sep 17.

Department of Biochemistry, Faculty of Medicine, Bahçeşehir University, Istanbul, Turkey.

Introduction: Inflammation, immune system disorders, Demodex infestation, neurovascular dysregulation and oxidative stress are thought to be contributory factors in the pathogenesis of rosacea.

Aim: To evaluate the presence of Demodex mites, the morphologic features of the nailfold capillaries, and the systemic oxidative stress status in patients with rosacea.

Material And Methods: Thirty-one patients diagnosed with rosacea and 37 healthy age- and gender-matched subjects were included in this prospective case-control study. Read More

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Facial Spinulate Demodicosis.

Clin Cosmet Investig Dermatol 2021 14;14:1211-1214. Epub 2021 Sep 14.

Department of Internal Medicine, Umm Al-Qura University, Makkah, Saudi Arabia.

Hyperkeratotic spicules are rare cutaneous lesions associated with underlying systemic illnesses. In more recent times, facial spinulate demodicosis has been suggested as an etiological factor. Demodicosis is a common dermatological condition characterized by the presence of Demodex mites in the pilocutaneous follicles. Read More

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September 2021

Current Use of Ivermectin in Dermatology, Tropical Medicine, and COVID-19: An Update on Pharmacology, Uses, Proven and Varied Proposed Mechanistic Action.

Indian Dermatol Online J 2021 Jul-Aug;12(4):500-514. Epub 2021 Jul 14.

Departments of Dermatology, Venereology and Leprosy, ABVIMS and Dr. Ram Manohar Lohia Hospital, New Delhi, India.

Ivermectin is a broad-spectrum antiparasitic drug with anti-inflammatory, anti-viral, anti-bacterial, and anti-tumor effects. In this review, we discuss the history, pharmacology, multimodal actions, indications in dermatology and tropical medicine, therapeutic and prophylactic use of ivermectin in COVID-19, safety, adverse effects, special considerations, and drug interactions of ivermectin. Read More

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Localized Demodicosis in a Dog After Fluticasone Propionate Treatment for Chronic Bronchitis.

Top Companion Anim Med 2021 Nov 13;45:100578. Epub 2021 Aug 13.

Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA. Electronic address:

An 11-year-old, castrated male Shetland Sheepdog presented for a 3-week history of localized nonpruritic alopecia and scaling affecting the peri-nasal region. The dog was being managed for several comorbidities, including chronic bronchitis successfully controlled with the chronic administration of inhaled fluticasone propionate. The physical examination was unremarkable aside from erythema, symmetrical alopecia, scaling and follicular casts affecting the peri-nasal region. Read More

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November 2021

Successful management of chronic Blepharo-rosacea associated demodex by lid scrub with terpinen-4-ol.

Am J Ophthalmol Case Rep 2021 Sep 22;23:101171. Epub 2021 Jul 22.

Florida International University, Herbert Wertheim College of Medicine, Miami, FL, USA.

Purpose: To report a successful treatment of chronic rosacea associated ocular demodicosis with lid scrub containing terpinen-4-ol (T4O).

Observations: A 72-year old woman presented with recurrent and refractory ocular erythema, irritation, dryness, and photophobia despite conventional medical treatment (artificial tears, hypochlorous acid lid hygiene, doxycycline, and erythromycin) for 5 years. Examination revealed facial erythema, telangiectasias on cheeks, nose and lids, and cylindrical dandruff (CD) on bilateral upper and lower lashes. Read More

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September 2021

Demodex folliculorum (Trombidiformes: Demodicidae) and Demodex brevis Prevalence in an Extreme Environment of Chile.

J Med Entomol 2021 11;58(6):2067-2074

Molecular Parasitology Unit, Medical Technology Department, Faculty of Health Sciences, University of Antofagasta, Avenida Universidad de Antofagasta 02800, Antofagasta, Chile.

The prevalence of mites of the genus Demodex and their associations with host age, gender, workplace, and comorbid skin and ocular conditions were studied in participants in Antofagasta, Chile, which is in a region with an extreme environment. We examined 680 participants aged 18-88 yr using standardized surface skin biopsies. Among them, Demodex had a prevalence of 13. Read More

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November 2021

Ex vivo dermoscopy in Demodicosis.

J Am Acad Dermatol 2021 Jul 27. Epub 2021 Jul 27.

Hospital Universitario Ramón y Cajal, Dermatology Department.

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Clinical characteristics and topographic findings of corneal ectasia in patients with symptomatic blepharitis.

Taiwan J Ophthalmol 2021 Apr-Jun;11(2):146-155. Epub 2020 Sep 30.

Department of Ophthalmology, Chang-Gung Memorial Hospital, Linkou.

Purpose: The purpose of this study is to present characteristics and topographic findings of patients with corneal ectasia and symptomatic ocular demodicosis.

Materials And Methods: A retrospective, noncomparative study. Twenty-one patients with symptomatic ocular demodicosis and corneal ectasia since 2017 to 2019 were enrolled. Read More

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September 2020

Age differences in ocular demodicosis: Demodex profiles and clinical manifestations.

Ann Transl Med 2021 May;9(9):791

State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.

Background: infestation is highly age-dependent. Intriguingly, our previous studies that focused on children and young adult patients suggested that the clinical features of young patients were different from those studies enrolling mainly elderly patients. Whether age plays a role between young and elderly patients with ocular demodicosis remains unclear. Read More

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Scalp demodicosis developing in a patient with frontal fibrosing alopecia: a clinical and trichoscopic mimicker of active disease.

Int J Dermatol 2022 Apr 9;61(4):e134-e136. Epub 2021 Jul 9.

Department of Dermatology, Hospital del Mar-Parc de Salut Mar, Barcelona, Spain.

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Dermoscopic Findings of Rosacea and Demodicosis.

Indian J Dermatol 2021 Mar-Apr;66(2):165-168

Department of Dermatology, Kocaeli Derince Training and Research Hospital, Kocaeli, Turkey.

Background: Rosacea is a common chronic inflammatory disorder affecting the facial skin.

Objectives: Dermoscopy is a noninvasive procedure that is commonly used for the diagnosis of dermatological diseases. This article aims to determine the clinical and dermoscopic manifestations of the rosacea patients and the presence of the accompanying . Read More

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Evaluation of a clinical scoring system for canine demodicosis.

Vet Dermatol 2021 Aug 22;32(4):311-e84. Epub 2021 Jun 22.

Centre for Clinical Veterinary Medicine, Faculty of Veterinary Medicine, Ludwig-Maximilians-Universitaet, Veterinaerstrasse 13, 80539 Munich, Germany.

Background: Canine demodicosis is a common disease in small animal practice. Although a number of studies evaluating treatment efficacy for canine demodicosis have used clinical scoring systems, none have been validated.

Objectives: This study evaluated the validity, reliability, reproducibility and sensitivity to change of a clinical scoring system for canine demodicosis. Read More

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