Dermoscopy applied to pediculosis corporis diagnosis

Martins, Luiz Gustavo; Filho, Fred Bernardes; Quaresma, Maria Victória; Bellott, Thiago Rubin; Botelho, Larissa Nascimento; Prata, Ana Cecília Studart

doi:10.1590/abd1806-4841.20142654

Cited by 8 publications

(9 citation statements)

References 2 publications

(3 reference statements)

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“…Extravasations may be occasionally observed in other inflammatory scalp diseases, such as psoriasis, seborrheic dermatitis, pemphigoid, pediculosis and skin cancers. 16 , 37 , 38 However, the results of this study and our experience show that an abundance of extravasations in all fields of view of a dermoscope may be indicative for an autoimmune bullous disease.…”

Section: Discussionmentioning

confidence: 56%

The value of trichoscopy in the differential diagnosis of scalp lesions in pemphigus vulgaris and pemphigus foliaceus

Sar‐Pomian

Kurzeja

Rudnicka

et al. 2014

An. Bras. Dermatol.

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BACKGROUNDTrichoscopy is becoming increasingly popular in diagnosing hair and scalp diseases. Scalp involvement in pemphigus is common. The scalp may be the first or only site of clinical manifestation of the disease.OBJECTIVEThe aim of this study was to analyze whether trichoscopy may be useful in aiding differential diagnosis of scalp lesions in patients with pemphigus vulgaris and pemphigus foliaceus.METHODSTrichoscopy was performed in 19 patients with scalp lesions in the course of pemphigus (9 patients with pemphigus vulgaris and 10 with pemphigus foliaceus). In all patients, the diagnosis of scalp pemphigus was confirmed by histopathology. The working magnification was 20-fold and 70-fold.RESULTSThe most frequently observed trichoscopy features of pemphigus lesions were: extravasations (18/19; 94.7%) and yellow hemorrhagic crusts (11/19; 57.9%). Yellow dots with whitish halo were observed in 6/19 (31.6%) patients with pemphigus. White polygonal structures were observed in pemphigus foliaceus (6/10; 60%), but not in pemphigus vulgaris. Vascular abnormalities were more frequent in pemphigus vulgaris, when compared to pemphigus foliaceus, and were associated with a severe course of disease. Linear serpentine vessels were the most frequent vascular abnormality in patients with pemphigus vulgaris and pemphigus foliaceus (77.8% and 30%, respectively).CONCLUSIONTrichoscopy may serve as a useful supplementary method in the differential diagnosis of pemphigus, especially in cases of desquamative or exudative lesions limited to the scalp. Extravasations, yellow hemorrhagic crusts, yellow dots with whitish halo, white polygonal structures and linear serpentine vessels are trichoscopy features which may suggest the diagnosis of pemphigus.

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Section: Discussionmentioning

confidence: 56%

The value of trichoscopy in the differential diagnosis of scalp lesions in pemphigus vulgaris and pemphigus foliaceus

Sar‐Pomian

Kurzeja

Rudnicka

et al. 2014

An. Bras. Dermatol.

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“…No great news is available about dermoscopy of pediculosis, except a paper about the use of the dermatoscope for the diagnosis of pediculosis corporis [24]. is usually quite easy to diagnose.…”

Section: What's New?mentioning

confidence: 99%

Update on Dermoscopy and Infectious Skin Diseases

Piccolo

2019

Dermatol Pract Concept

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Nowadays, dermoscopy is a global worldwide diffuse diagnostic tool supporting clinicians in their daily hard task of correct orientation among dermatological diseases. Born to be an instrument for early diagnosis of skin cancer, the dermatoscope is now considered the dermatologist’s stethoscope, as it can be routinely used to support diagnosis in general dermatology, so spreading its utility in cutaneous inflammatory and infectious diseases, as adjuvant and not substitute to histology and potassium hydroxide examination. As concerns the latter, plenty of papers have been published since the first description of dermoscopic findings of scabies. The aim of this review is to give the clinician a practical approach to dermoscopic parameters of cutaneous infectious diseases with a focus on the latest updates in this topic.

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“…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%

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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Dermoscopy applied to pediculosis corporis diagnosis

Abstract: We report the case of a 47-year-old homeless male with a massive infestation of Pediculus humanus corporis on his entire body. Dermoscopy helped to diagnose pediculosis by showing the involvement of scalp, beard and the genital region in this disease.

Cited by 8 publications

References 2 publications

The value of trichoscopy in the differential diagnosis of scalp lesions in pemphigus vulgaris and pemphigus foliaceus

The value of trichoscopy in the differential diagnosis of scalp lesions in pemphigus vulgaris and pemphigus foliaceus

Update on Dermoscopy and Infectious Skin Diseases

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

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