Cases reported "Mite Infestations"

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1/61. An infestation of the mite Sancassania berlesei (Acari: acaridae) in the external auditory canal of a Korean man.

    We here report the case of a storage mite, Sancassania berlesei, infestation in the external auditory canal of a 46-yr-old male. He complained of feeling a foreign body and itching in the left external auditory canal for 1 mo, with accompanying otalgia for 3 days. Considering the duration of the patient's complaint and the 8-9-day life cycle of the mite, the mites are believed to have lived in the patient's ear for more than 3 generations. ( info)

2/61. Treatment of rosacea-like demodicidosis with oral ivermectin and topical permethrin cream.

    A 32-year-old man presented with a chronic rosacea-like dermatitis of the facial skin and the eyelids. The skin disorder had been present for 4 years and was unresponsive to multiple previous treatment attempts. skin scrapings and a histologic examination of a biopsy specimen from the affected area revealed the presence of numerous Demodex mites. The patient was treated with oral ivermectin and subsequent topical permethrin resulting in complete and rapid clearing of the folliculitis. We believe that this case supports the view that Demodex mites may be pathogenic when they are present in large numbers. Oral treatment with 200 microg/kg ivermectin with subsequent weekly topical permethrin showed impressive treatment efficacy in a case refractory to conventional treatment. ( info)

3/61. Avian mite dermatitis.

    Avian mite infestation is a rare cause of pruritic dermatoses in humans. The mites spend the majority of their life cycle on the avian host but may be transmitted to man as a result of direct contact and also through airborne spread. We describe a case of infestation with the Northern Fowl Mite (Ornithonyssus sylviarum) from an abandoned birds nest in the roof of a patients home. This caused a pruritic erythematous papular eruption on exposed sites that settled with topical steroids. We discuss the diagnosis and range of clinical manifestations produced by avian mites. ( info)

4/61. Avian mite dermatitis.

    A case of dermatitis caused by the Northern fowl mite is presented. Fowl mites and their clinical significance are discussed. ( info)

5/61. rosacea-like demodicidosis associated with acquired immunodeficiency syndrome.

    We present a 35-year-old patient with acquired immunodeficiency syndrome who had demodicidosis on his face, characterized by multiple papules and papulopustules, associated pruritus, numerous mites on skin-surface biopsy and in biopsy specimens, and rapid response to topical treatment with permethrin. It seems likely that Demodex infestation does not manifest unless local or systemic immune function is altered, leading to the proliferation of the organism and subsequent disease. ( info)

6/61. Avian mite bites acquired from a new source--pet gerbils: report of 2 cases and review of the literature.

    BACKGROUND: Cutaneous manifestations of avian mite bites are not well recognized by physicians or patients. Clinical signs and symptoms are usually caused by bites from avian mites that have infested domestic poultry or birds nesting in or near human habitation. This report details 2 cases of pruritic papules acquired from avian mites that had infested pet gerbils and reviews the dermatologic literature about avian mites. OBSERVATIONS: An 11-year-old boy and an unrelated 10-year-old girl each had mysterious, pruritic papules for many months before their pet gerbils were found to be infested with Ornithonyssus sylviarum (the northern fowl mite) and Dermanyssus gallinae (the chicken mite), respectively. Symptoms resolved when the gerbils were removed from the home. CONCLUSIONS: Because infestation of pet gerbils with avian mites has never been reported, cases of avian mite bites and dermatitis may have gone unrecognized or misdiagnosed. Inquiry about ownership of pet gerbils may be helpful in patients with mysterious bites. ( info)

7/61. First report of a parasitic mite, Leptotrombidium (Hypotrombidium) subquadratum (Lawerence) (Acari: trombiculidae: Trombiculinae), from dogs and children in the Bloemfontein area, south africa.

    Leptotrombidium subqunadratum larvae were collected for the first time in 1994 from dogs in Bloemfontein. The larvae have been collected annually, during the summer months, over a period of 6-7 years. Previously the only known hosts were scrub hare (Lepus saxatilis) (locality unknown) and short-snouted elephant shrew (Elephantulus brachyrhynchus) (Kruger National Park). These mites cause severe itching and dermatitis in humans and dogs. ( info)

8/61. Recurrent infestation of the mastoid cavity with Caloglyphus berlesei: an occupational hazard.

    Mite infestation of the ear is an unusual clinical problem that is easily cured with simple measures and recurrent infestation has not been reported till date. We present here a patient who developed recurrent infestation of otherwise healthy mastoid cavities with the storage mite Caloglyphus berlesei, secondary to occupational exposure. This kind of recurrent mite infestation of the ear has not been described before. ( info)

9/61. Human infestation by Ophionyssus natricis snake mite.

    A family presented with a papular vesiculo-bullous eruption of the skin, found to be caused by the snake mite, Ophionyssus natricis (Cervais, 1844). A pet python was the primary host. Treatment of the animal and its environment led to clearance of the human skin lesions. ( info)

10/61. ivermectin-responsive Demodex infestation during human immunodeficiency virus infection. A case report and literature review.

    We report the case of a 56-year-old hiv-seropositive man who presented a facial Demodex infection developed 2 months after initiation of highly active antiretroviral therapy. The Demodex infection was confirmed by scrapings and histopathologic examination and by the dramatic response to antiparasitic treatment with oral ivermectin associated with 5% permethrin cream. ( info)
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