Image Gallery: Dermoscopy of phthiriasis pubis: a handy and useful tool

Marín-Cabañas, Irene; Pascual, José C.

doi:10.1111/bjd.14744

Cited by 3 publications

(6 citation statements)

References 1 publication

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“…Phthirus pubis mimicked conjunctivitis by disguising itself to the crusts on the eyelashes, (Mishra et al, 2019) which actually consisted of agglomerates of nits on the proximal side of the eyelashes. (Ouedraogo et al, 2019;Marin-Cabanas and Pascual, 2016;Dredge et al, 2019) Nevertheless, the crab-like bodies of the parasites could be distinguished under high-magnification slitlamp examination. Moreover, dead maggots in ophthalmomyiasis patients slowly form nodules that are often misdiagnosed as styes or neoplasms, which is also a kind of camouflage that needs to be considered in the differential diagnosis.…”

Section: The Hider On the Ocular Surfacementioning

confidence: 99%

Phthiriasis palpebrarum, thelaziasis, and ophthalmomyiasis

Luo

Xiang

Liu

et al. 2020

International Journal of Infectious Diseases

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Introduction: Parasitic infections of the eye are a major cause of ocular-surface diseases globally. While most infections are treatable, parasites can cause varying levels of damage mostly due to late diagnosis or misdiagnosis as a result of doctors' unfamiliarity with their characteristics of latency and crypsis, as well as lack of awareness by the patients. Case Reports: In this study, we present three cases of phthiriasis palpebrarum, thelaziasis, and ophthalmomyiasis, respectively. Two of the cases were treated at the clinic and did not recur. One patient refused treatment and was lost to follow-up. Discussion: By evaluating the natural histories, morphology, symptoms, clinical findings, and treatment of these parasitic diseases, we systematically analyzed several distinct and unique parasite characteristics, especially latency and crypsis. Furthermore, we have proposed specific examination techniques and methods as well as prevention and treatment strategies from these specific perspectives, aiming to prompt timely diagnoses and early interventions for these diseases by health care workers and improve the public's awareness of parasitic infections. Conclusion: Parasitosis on the ocular surface is a global infectious disease, and prevention strategies include maintaining personal and environmental hygiene and limiting contact with animals. We recommend that health care workers should enhance their ability to detect and diagnose these diseases while promoting the public's awareness of them in the context of our new perspectives.

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Section: The Hider On the Ocular Surfacementioning

confidence: 99%

Phthiriasis palpebrarum, thelaziasis, and ophthalmomyiasis

Luo

Xiang

Liu

et al. 2020

International Journal of Infectious Diseases

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“… 47–65 Albeit size of body lice is bigger than head lice, their morphology is similar with an elongated body, three pairs of clawed legs and narrow anterior mouthparts, while pubic lice is typified by a short broad body with large middle and hind legs, and thick crab‐like claws 47–65 . Dermoscopic examination may also help distinguish viable from empty nits as the former look brown, ovoid with convex ending, while the latter appear translucent with a plane and fissured free ending 47–65 . Additionally, abortive nits (typified by a contracted embryo and surrounding void space, with or without nit wall introflection) may also be seen 47–65 .…”

Section: Resultsmentioning

confidence: 99%

“…Dermoscopic examination may also help distinguish viable from empty nits as the former look brown, ovoid with convex ending, while the latter appear translucent with a plane and fissured free ending 47–65 . Additionally, abortive nits (typified by a contracted embryo and surrounding void space, with or without nit wall introflection) may also be seen 47–65 . Thus, dermoscopy may act as a useful tool in treatment monitoring after successful therapy 47,50,56 .…”

Section: Resultsmentioning

confidence: 99%

“…[47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65] Additionally, abortive nits (typified by a contracted embryo and surrounding void space, with or without nit wall introflection) may also be seen. [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65] Thus, dermoscopy may act as a useful tool in treatment monitoring after successful therapy. 47,50,56 Of note, Dermoscopy of skin parasitoses, bites and stings nits seen in pediculosis capitis may be differentiated from those of pthiriasis by observing the operculum (lid covering the nitfree end) and the segment of nit attached to the hair shaft (fixed sleeve).…”

Section: Pediculosismentioning

confidence: 99%

“…[47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65] Dermoscopic examination may also help distinguish viable from empty nits as the former look brown, ovoid with convex ending, while the latter appear translucent with a plane and fissured free ending. [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65] Additionally, abortive nits (typified by a contracted embryo and surrounding void space, with or without nit wall introflection) may also be seen. [47][48][49][50][51][52][53][54][55][56][57]…”

Section: Pediculosismentioning

confidence: 99%

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Dermoscopy of skin parasitoses, bites and stings: a systematic review of the literature

Chauhan

Jindal

Errichetti

2022

Acad Dermatol Venereol

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Besides classic applications, dermoscopy has gained significant appreciation also for non‐tumoral dermatoses (general dermatology). In this field, skin parasitoses (infestations), bites and stings have been reported among the conditions that may benefit most from dermoscopic examination. However, published data on this topic are sparse and often lack a standardized analytical approach. In this systematic review of the literature, we sought to summarize available data on dermoscopy of cutaneous parasitoses, bites and stings, analysing dermoscopic features and used setting (polarization or not/magnification), pathological correlation and level of evidence of published studies as well as trying to align dermoscopic terminology of reported findings following a standardized methodology. A total of 150 publications addressing 29 different dermatoses and reporting 96 different dermoscopic findings were included in the analysis. Most of them displayed a level of evidence of V (113 single case reports and 36 case series), with only one study featuring a level of evidence of IV (case–control study). Additionally, our analysis also displayed poor uniformity in the terminology used in published articles (even for the same dermatosis). Therefore, albeit promising, dermoscopy of cutaneous parasitoses, bites and stings needs future systematized studies for a better characterization.

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