This study utilized 3D ultra-high frequency ultrasound to effectively detect different disease phases of alopecia areata by visualizing hair follicle structures and identifying unique pathological signs, offering a promising non-invasive diagnostic tool that surpasses conventional methods.
April 2023 in “Journal of Investigative Dermatology” 3D ultrasound can detect hair follicle changes and disease phases in alopecia areata.
August 2023 in “Diagnostics” This study observed that using ultra-high-frequency ultrasound with 70 MHz probes effectively assessed the distribution of hyaluronic acid fillers and improvements in nasolabial fold wrinkles, with significant changes in dermal thickness and wrinkle scores maintained 24 weeks after treatment.
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August 2024 in “The Journal of Cell Biology” This study demonstrated that in live rodents, actin filaments adjust their structure to facilitate membrane transfer between cellular compartments with different biophysical properties.
This review discusses various non-invasive methods for diagnosing alopecia areata, highlighting that trichoscopy signs like short vellus hairs and yellow dots are sensitive indicators of the condition, while advanced imaging techniques provide valuable information on hair follicle status and scalp inflammation.
