Onychoscopic evaluation of onychomycosis in a tertiary care teaching hospital: a cross‐sectional study from South India

Chetana, Kayathi; Menon, Roshni; David, Brinda G

doi:10.1111/ijd.14008

Cited by 11 publications

(22 citation statements)

References 8 publications

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“…Chetana et al described bluish streaks and globules and bluish gray globules as new dermoscopic observations in onychomycosis. [ 16 ] We did not notice such patterns in this study, probably because of small sample size.…”

Section: Discussioncontrasting

confidence: 61%

Dermoscopy of onycholysis due to nail psoriasis, onychomycosis and trauma: A cross sectional study in skin of color

Ankad

Gupta

Alekhya³

et al. 2020

Indian Dermatol Online J

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Section: Discussioncontrasting

confidence: 61%

Dermoscopy of onycholysis due to nail psoriasis, onychomycosis and trauma: A cross sectional study in skin of color

Ankad

Gupta

Alekhya³

et al. 2020

Indian Dermatol Online J

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“…In our study, longitudinal stria was the predominantly observed pattern (n=31, 68.75%) in DLSO, which is in accordance with the previous reports [8-12]. This pattern may be the result of the dermatophyte invasion along the nail plate; in addition, discoloration may be secondary to colony formation, flakes, or subungual debris [9, 10].…”

Section: Resultssupporting

confidence: 92%

“…The linear edge pattern without any indentations has been consistently associated with traumatic onycholysis [8, 9, 12]. This dermatoscopic finding is used to differentiate onychomycosis from traumatic onycholysis [8, 9, 12].…”

Section: Resultsmentioning

confidence: 99%

Onychoscopic evaluation of distal and lateral subungual onychomycosis: A cross-sectional study in Lebanon

Maatouk¹,

Haber²,

Benmehidi³

2019

CMM

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Background and Purpose: The aim of this study was to evaluate the onychoscopic patterns associated with distal lateral subungual onychomycosis (DLSO) in Lebanon. Materials and Methods: The present study was conducted on 45 patients with clinical DLSO attending two dermatology clinics in Beirut, Lebanon, between January 2018 and April 2018. The patients were subjected to dermoscopy to identify the onychoscopic patterns. Results: The DLSO was predominantly associated with white, yellow, and brown color changes (P<0.05). Dermoscopic patterns of longitudinal striae (n=31; 68.75%), spiked pattern (n=25; 55.5%), and jagged pattern (n=25; 55.5%) were significantly correlated with DLSO (P<0.001). Our findings are in accordance with five previous reports in which dermoscopic findings are discussed in onychomycosis. Conclusion: It is recommended to perform further studies on homogeneous groups with different clinical subtypes of onychomycosis including patients with suspected traumatic onycholysis or other nail diseases. Identification of onychoscopic patterns would offer the clinicians a quick, simple, and complementary tool for the diagnosis of onychomycosis.

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“…In this study, males (78.3%) outnumbered females; this was similar to the findings of Yorulmaz et al (5). However, a female preponderance of onychomycosis has been reported in few other studies (6)(7)(8). Male preponderance in this study may be due to the fact that the majority of patients were agricultural workers (26.7%), followed closely by semiskilled workers (drivers, shopkeepers, masons, mechanics, cooks, or barbers) at 23.3%; both of these are male-dominated occupations in this part of India.…”

Section: Discussionsupporting

confidence: 92%

Onychoscopy: a quick and effective tool for diagnosing onychomycosis in a resource-poor setting

Hazarika¹,

Chauhan²,

Divyalakshmi³

et al. 2021

Acta Dermatovenerologica Alpina Pannonica Et Adriatica

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44 to 100% for potassium hydroxide (KOH) mount, and about 81 to 91.6% for biopsy. Currently, there is no consensus on the most appropriate combination of tests that can increase the sensitivity and specificity of diagnosis. The sensitivity values reported for test combinations are 57% for biopsy and KOH, and 98.3% for biopsy and culture (2).Onychoscopy is dermoscopic examination of the nail apparatus, which includes the nail plate surface and the free edge, nail matrix, nail bed, periungual folds, and hyponychium. It forms a link between naked eye examination and nail histopathology, opening the potential to prevent biopsy (3).Piracini et al. were the first to use dermoscopy to support the diagnosis of fungal infection of nails. Their retrospective study of 57 patients sought to identify and describe dermoscopic signs specific for distal subungual onychomycosis that could differentiate it from traumatic mycologically negative onycholysis (4).Very few studies are available in the literature on onychoscopic findings of onychomycosis in Indian patients. The aim of this study was to identify common onychoscopic patterns of onychomycosis prevalent in this part of India, explore their correlation with clini-cal subtypes of onychomycosis, and contribute to knowledge of the use of onychoscopy as a simple, quick, and reliable diagnostic aid for clinical diagnosis of onychomycosis in the outpatient department setting. Materials and methodsThis was an outpatient-based, observational, cross-sectional study conducted for 6 months using the STROBE checklist, after obtaining institutional ethical clearance. Patients were recruited after providing informed written consent (in Hindi or English) for inclusion in the study as well as separate consent for photography.The aim of the study was to identify common onychoscopic patterns in nails affected by onychomycosis and to describe their correlation to the clinical subtypes of onychomycosis. The inclusion criteria were all treatment-naive patients presenting to the dermatology outpatient department for the first time and clinically diagnosed with onychomycosis. Children below 18 years, patients already partially treated for onychomycosis, patients with clinical diagnosis of onychomycosis but negative on KOH mount were excluded from the study.Nail clippings of all patients were taken for KOH mounting. Only patients with a positive KOH mount were recruited for the study. Images of the affected nail were obtained with a Canon PowerShot G1x® camera. Onychoscopy was performed with DermLite II hybrid m, 3Gen, polarized mode, 10× magnification. An IPhone camera was used to capture the images. The image from the most clinically dystrophic nail unit, whether fingernail

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Onychoscopic evaluation of onychomycosis in a tertiary care teaching hospital: a cross‐sectional study from South India

Cited by 11 publications

References 8 publications

Dermoscopy of onycholysis due to nail psoriasis, onychomycosis and trauma: A cross sectional study in skin of color

Dermoscopy of onycholysis due to nail psoriasis, onychomycosis and trauma: A cross sectional study in skin of color

Onychoscopic evaluation of distal and lateral subungual onychomycosis: A cross-sectional study in Lebanon

Onychoscopy: a quick and effective tool for diagnosing onychomycosis in a resource-poor setting

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