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Unbound Medicine.
(Arthropod related skin lesions)
208 results
  • Human ectoparasitosis by mites of the genus Pyemotes Amerling 1861 (Acarina: Pyemotidae). [Journal Article]
    Ital J Dermatol Venerol. 2023 Jan 04 [Online ahead of print]Stingeni L, Hansel K, … Masini P
  • The mites of the family Pyemotidae Berlese (1897) are a large family of ectoparasitoids arthropods, known as pathogen for humans since the 18th century and responsible for the so-called "straw itch" or "grain itch" in granary and dock workers. The identified species of the genus Pyemotes are divided into two groups: the scolyti group (P. scolyti, P. parviscolyti and P. dimorphus) and the ventrico…
  • De novo transcriptome sequencing and functional annotation of Demodex canis. [Journal Article]
    Exp Appl Acarol. 2022 Jul; 87(2-3):219-233.Hu L, Zhao Y, Zhang W
  • Demodex canis is an important parasitic mite causing skin lesions in dogs. However, molecular studies on this species are limited because of the lack of transcriptomic data. To obtain functional genes of D. canis, mites were collected and RNA was extracted for transcriptome sequencing and functional annotation. Coding sequences (CDSs) of important functional genes were screened and identified usi…
  • Exogenous acral pigmentation secondary to beetle exposure. [Case Reports]
    Pediatr Dermatol. 2021 Nov; 38(6):1594-1596.Arredondo Montero J, Román Moleón M, … Martín-Calvo N
  • We present a 5-year-old girl who accidentally crushed an insect of the coleoptera family walking barefoot and secondarily developed an exogenous acral pigmentation. The lesions resolved spontaneously within a few weeks. Proper identification of the insect and a detailed physical examination were key to avoiding unnecessary invasive diagnostic tests.
  • [Tegumentary leishmaniasis and sandflies in Colonia Santa Rosa locality in northern Argentina]. [Journal Article]
    Rev Argent Microbiol. 2022 Apr-Jun; 54(2):143-151.Aramayo LV, Copa GN, … Gil JF
  • Tegumentary leishmaniasis (TL) is caused by parasites of the genus Leishmania and transmitted by the sandfly species, insects belonging to the order Diptera, family Psychodidae. Historically, the most endemic area of TL in Argentina has been the northern region. The aim of this work was to analyze the presence and temporal variation of TL cases reported between 1985 and 2019 in Colonia Santa Rosa…
  • Spider Angioma of the Nasal Mucosa. [Case Reports]
    Ear Nose Throat J. 2022 Dec; 101(10):NP445-NP446.Ralli M, Candelori F, … de Vincentiis M
  • Spider angioma is a benign vascular lesion reminiscent of a spider's body characterized by peculiar dilatation of end vasculature. The lesion is characterized by a central spot and extensions which radiate outward like a spider's body. Spider angiomas may appear as a solitary or multiple lesion that arises on the skin surface of the face, neck, chest, and arms; these lesions have been rarely obse…
  • First report of Ericotrombidium ibericense in domestic dogs. [Journal Article]
    Acta Parasitol. 2021 Mar; 66(1):253-258.Ramilo DW, Costa P, … Cardoso L
  • CONCLUSIONS: Most of the trombiculids recorded in European clinical practice are generally identified as Neotrombicula autumnalis by default, since, in most cases, mites are not examined morphologically. This is the first record of E. ibericense in domestic dogs. More studies are needed to evaluate the distribution of these mites in Portugal. Veterinary clinicians must be aware of this parasitosis, as trombiculids can cause exuberant clinical signs, but are often misdiagnosed.
  • Exogenous acral pigmentation induced by coleoptera: an underdiagnosed mimic of severe disease. [Case Reports]
    Dermatol Online J. 2020 May 15; 26(5)Álvarez-Salafranca M, Yélamos O, … Ara-Martín M
  • Acral purpura is generally a hallmark for severe internal disease. However, exogenous pigmentation related to contact with invertebrates, can induce acral purpura-like lesions. Data regarding the beetle's ability to cause skin hyperpigmentation or purpura-like lesions are scarce. We report a case of exogenous pigmentation caused by accidental contact with a darkling beetle, clinically simulating …
  • Crusted scabies mimicking an acrodermatitis continua of Hallopeau. [Case Reports]
    Bol Med Hosp Infant Mex. 2019; 76(4):198-202.Roldán-Franco MS, de Nitsch MJY, Sarti HM
  • CONCLUSIONS: CS is variant of scabies prevalent in immunocompromised patients and Down syndrome that can be easily confused with inflammatory pathologies with abnormal epidermal keratinization. This case is considered as an atypical presentation of the disease because of local affection of the fingers and nail dystrophy. The histopathological study was necessary to obtain the diagnosis and rule out differential diagnosis.
  • Cutaneous myiasis in a traveler returning from Argentina. [Case Reports]
    Dermatol Ther. 2019 09; 32(5):e12996.Di Tullio F, Mandel VD, … Pellacani G
  • Myiasis is a common travel-associated dermatosis. We describe a 52-year-old Italian man who acquired Dermatobia hominis when bitten by a mosquito during a visit to Argentina. He had a painful nodular lesion on the left cheek that had been present for about 3 weeks. The complete removal of the larva is the goal of medical treatment. Prescription of antibiotics to avoid secondary infections is not …
  • First report of Neotrombicula inopinata infestation in domestic cats from Portugal. [Case Reports]
    Vet Parasitol. 2019 Mar; 267:1-3.Ramilo DW, Monteiro C, … Cardoso L
  • Trombiculids parasitize a wide variety of terrestrial vertebrates, including domestic animals, throughout the world. They are parasites only during their larval stages, causing several dermatological lesions on their hosts, such as acute dermatitis, erythema, excoriation, erosion, papules, crusts and alopecia on the ear margins, face, interdigital spaces and abdomen. Neotrombicula is one of the s…
  • Infectious Disease: Bedbugs, Lice, and Mites. [Journal Article]
    FP Essent. 2019 Jan; 476:18-24.Huntington MK, Allison JR, … Shafer CW
  • Bedbugs, mites, and scabies are ectoparasites that commonly affect humans. Bedbugs (Cimex species) were once rare in the United States but are now common. They cause intensely pruritic lesions on areas of exposed skin. The bites are highly allergenic and can cause asthma exacerbations or anaphylaxis. Management of bedbug bites involves symptomatic relief of itching and dealing with patient anxiet…
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