Comparison of dermoscopic characteristics on toenail onychomycosis in psoriatic and non‐psoriatic patients: A prospective study
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Wiley
2024
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| _version_ | 1867002701488848896 |
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| author | Shiqi Wang Wei Chen Fang Liu Ruoyu Li |
| author_facet | Shiqi Wang Wei Chen Fang Liu Ruoyu Li Shiqi Wang Wei Chen Fang Liu Ruoyu Li |
| collection | Wiley Open Access |
| contents | Comparison of dermoscopic characteristics on toenail onychomycosis in psoriatic and non‐psoriatic patients: A prospective study Shiqi Wang Wei Chen Fang Liu Ruoyu Li Mycoses AbstractBackgroundPsoriatic patients may experience the coexistence of onychomycosis (OM). However, the evaluation of OM in psoriatics has been hindered by potential clinical differences from OM in non‐psoriatics.ObjectiveTo assess and compare dermoscopic features between toenail OM in psoriatic and in non‐psoriatic patients.Patients and MethodsBetween September 2020 and September 2023, dermoscopy was conducted on 183 affected toenails by OM in psoriatics and 232 affected toenails by OM in non‐psoriatics in two centres. The dermoscopic characteristics were compared using the Chi‐squared test.ResultsAmong toenail OM cases in psoriatic subjects, the most prevalent dermoscopic features included pitting (147/183, 80.33%) and subungual hyperkeratosis (118/183, 64.48%). Conversely, toenail OM in non‐psoriatics was characterized by subungual hyperkeratosis (175/232, 75.43%) and nail spikes (139/232, 59.91%). Comparative analysis revealed a significantly higher occurrence of pitting (80.33% vs. 15.96%, p < .001), periungual telangiectasis (22.40% vs. 4.74%, p < .001), oil patches (12.57% vs. 0.43%,p < .001) and transverse grooves (43.72% vs. 28.45%,p < .01) in toenail OM in psoriatics. Furthermore, toenail OM in psoriatics exhibited a significantly lower frequency of yellow structureless area (13.11% vs. 42.67%, p < .001), nail spikes (43.17% vs. 59.91%, p < .01), ruin appearance of sulphur nugget (8.20% vs. 31.03%, p < .001), dotted/blocky haemorrhage (6.01% vs. 20.69%,p < .001) and partial onycholysis (32.79% vs. 46.98%, p < .01).ConclusionsDermoscopic features of toenail OM in psoriatic and non‐psoriatic patients exhibit notable differences. OM in psoriatics shows a higher frequency of pitting and periungual telangiectasis, while a lower frequency of yellow structureless areas and nail spikes under dermoscopy. 10.1111/myc.13721 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| doi_str_mv | 10.1111/myc.13721 |
| format | Artículo Open Access |
| id | wiley_oa_10_1111_myc_13721 |
| institution | Wiley Open Access |
| license_str_mv | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Comparison of dermoscopic characteristics on toenail onychomycosis in psoriatic and non‐psoriatic patients: A prospective study Shiqi Wang Wei Chen Fang Liu Ruoyu Li Mycoses Comparison of dermoscopic characteristics on toenail onychomycosis in psoriatic and non‐psoriatic patients: A prospective study Shiqi Wang Wei Chen Fang Liu Ruoyu Li Mycoses AbstractBackgroundPsoriatic patients may experience the coexistence of onychomycosis (OM). However, the evaluation of OM in psoriatics has been hindered by potential clinical differences from OM in non‐psoriatics.ObjectiveTo assess and compare dermoscopic features between toenail OM in psoriatic and in non‐psoriatic patients.Patients and MethodsBetween September 2020 and September 2023, dermoscopy was conducted on 183 affected toenails by OM in psoriatics and 232 affected toenails by OM in non‐psoriatics in two centres. The dermoscopic characteristics were compared using the Chi‐squared test.ResultsAmong toenail OM cases in psoriatic subjects, the most prevalent dermoscopic features included pitting (147/183, 80.33%) and subungual hyperkeratosis (118/183, 64.48%). Conversely, toenail OM in non‐psoriatics was characterized by subungual hyperkeratosis (175/232, 75.43%) and nail spikes (139/232, 59.91%). Comparative analysis revealed a significantly higher occurrence of pitting (80.33% vs. 15.96%, p < .001), periungual telangiectasis (22.40% vs. 4.74%, p < .001), oil patches (12.57% vs. 0.43%,p < .001) and transverse grooves (43.72% vs. 28.45%,p < .01) in toenail OM in psoriatics. Furthermore, toenail OM in psoriatics exhibited a significantly lower frequency of yellow structureless area (13.11% vs. 42.67%, p < .001), nail spikes (43.17% vs. 59.91%, p < .01), ruin appearance of sulphur nugget (8.20% vs. 31.03%, p < .001), dotted/blocky haemorrhage (6.01% vs. 20.69%,p < .001) and partial onycholysis (32.79% vs. 46.98%, p < .01).ConclusionsDermoscopic features of toenail OM in psoriatic and non‐psoriatic patients exhibit notable differences. OM in psoriatics shows a higher frequency of pitting and periungual telangiectasis, while a lower frequency of yellow structureless areas and nail spikes under dermoscopy. 10.1111/myc.13721 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| title | Comparison of dermoscopic characteristics on toenail onychomycosis in psoriatic and non‐psoriatic patients: A prospective study |
| topic | Mycoses |
| url | https://onlinelibrary.wiley.com/doi/10.1111/myc.13721 |