Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG · 2026
In vivo multiphoton microscopy of psoriasis: A new diagnosis and therapeutic monitoring technique.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Chen Kejun, Wang Ziyi, Li Mengmeng, Song Xuejiao, Sheng Yujun, Cui Yong
Аннотация
BACKGROUND AND OBJECTIVES: Psoriasis is a chronic inflammatory skin disease, and noninvasive diagnostic tools are essential for accurate diagnosis and treatment monitoring. Multiphoton microscopy (MPM) enables real-time, noninvasive skin imaging with submicron resolution. This study evaluated the diagnostic accuracy of MPM in psoriasis and its potential application in therapeutic monitoring.
PATIENTS AND METHODS: This prospective observational study enrolled 34 patients with psoriasis. It comprised three parts: (1) analysis of imaging features of lesional and nonlesional skin using multiphoton microscopy (MPM; Transcend Vivoscope); (2) evaluation of the diagnostic performance of MPM parameters compared with reflectance confocal microscopy (RCM); and (3) prospective monitoring of 24 patients treated with Benvitimod (Tapinarof) cream for 8 weeks (T0/T1/T2).
RESULTS: MPM detected psoriasis characteristics (including hyperkeratosis, parakeratosis, an absent stratum granulosum, enlarged nucleus diameter, and absent bright rimming) with comparable diagnostic efficiency to RCM (AUC = 0.838, p < 0.001 vs. 0.824, p < 0.001). Psoriatic lesions showed significant perinuclear fluorescence accumulation compared to healthy skin (p < 0.001). All imaging features improved significantly after 8 weeks of treatment (p < 0.001). PASI/TLS scores showed correlations with the epidermal thickness (r = 0.403/0.492, p < 0.001), nuclear diameter (r = 0.4/0.375, p < 0.001), and fluorescence intensity (r = -0.419/-0.492, p < 0.001).
CONCLUSIONS: MPM is a novel and non-invasive imaging technique for psoriasis evaluation and treatment monitoring.
PATIENTS AND METHODS: This prospective observational study enrolled 34 patients with psoriasis. It comprised three parts: (1) analysis of imaging features of lesional and nonlesional skin using multiphoton microscopy (MPM; Transcend Vivoscope); (2) evaluation of the diagnostic performance of MPM parameters compared with reflectance confocal microscopy (RCM); and (3) prospective monitoring of 24 patients treated with Benvitimod (Tapinarof) cream for 8 weeks (T0/T1/T2).
RESULTS: MPM detected psoriasis characteristics (including hyperkeratosis, parakeratosis, an absent stratum granulosum, enlarged nucleus diameter, and absent bright rimming) with comparable diagnostic efficiency to RCM (AUC = 0.838, p < 0.001 vs. 0.824, p < 0.001). Psoriatic lesions showed significant perinuclear fluorescence accumulation compared to healthy skin (p < 0.001). All imaging features improved significantly after 8 weeks of treatment (p < 0.001). PASI/TLS scores showed correlations with the epidermal thickness (r = 0.403/0.492, p < 0.001), nuclear diameter (r = 0.4/0.375, p < 0.001), and fluorescence intensity (r = -0.419/-0.492, p < 0.001).
CONCLUSIONS: MPM is a novel and non-invasive imaging technique for psoriasis evaluation and treatment monitoring.