July 2018 in “Journal of The American Academy of Dermatology” This article discusses current visualization methods for assessing hair restoration therapy responses, noting imprecision in triangulated measurements and patient dissatisfaction with visible tattoos.
4 citations
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January 2019 in “Skin appendage disorders” This study found that Follicular Maps, derived from trichoscopic images, remained consistent over time and unaffected by hair cycling or noncicatricial alopecia, offering a precise tool for diagnosing and monitoring hair and scalp conditions.
21 citations
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November 1969 in “Journal of Investigative Dermatology” In this study, researchers standardized the Koelle and Friedenwald technique as modified by Gomori to reliably demonstrate discrete enzyme localization around eyebrow hair follicles in humans.
2 citations
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September 2020 in “Hair transplant forum international” This study reports that a new multi-slit knife for hair transplant procedures reduces surgical time and increases precision by enabling quick creation of equidistant "brick-pattern" sagittal slits.
1 citations
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January 2012 in “CINECA IRIS Institutial research information system (University of Pisa)”
8 citations
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June 2021 in “Acta dermato-venereologica” This systematic review concludes that trichoscopy is a reliable diagnostic tool for trichotillomania and should be incorporated into standard clinical practice for differential diagnosis.
February 2023 in “International Journal of Advanced Research” This study examined 50 patients with alopecia areata and found that trichoscopy can identify specific patterns, such as white dots in 90% of cases and black dots in 80%, aiding in assessing disease activity and severity without invasive procedures.
13 citations
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January 2012 in “International journal of trichology” This case study describes a 14-year-old girl with pili annulati who had fragile hair, which may be due to cavities within the hair shafts as seen in electron microscopic examinations.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
December 2020 in “Journal of Face Aesthetics” This study found that trichoscopy, a non-invasive diagnostic method, may effectively differentiate between types of focal alopecia in the parietal area in adult women, indicating specific trichoscopic features for conditions like alopecia areata, discoid lupus erythematosus, and lichen planopilaris.
1 citations
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September 2017 in “Journal of Pathology of Nepal” This study found that direct immunofluorescence of hair is a simple and non-invasive alternative for monitoring pemphigus vulgaris, matching skin biopsy results in the cases observed.
1 citations
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February 2004 in “Dermatologic Surgery” This study found that using deep plane fixation during scalp surgeries significantly reduced closure tension and allowed for increased tissue excision compared to standard techniques without fixation.
February 2012 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” This study observed nestin-GFP expressing stem cells in the hair follicle bulge of living mice using high-resolution in-vivo multiphoton tomography, allowing migration tracking within their natural skin environment.
17 citations
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January 2014 in “Annals of Dermatology” This study observed that using serial sectioning and d-PAS staining improved detection of Malassezia folliculitis, notably in lesions on the trunks of male patients.
1 citations
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October 2022 in “Asian journal of medical sciences” This study found trichoscopy to be a highly sensitive, non-invasive method for diagnosing tinea capitis in children, which could be valuable in resource-limited settings lacking mycological culture facilities.
April 2026 in “Clinical Cosmetic and Investigational Dermatology” This review highlights the varied therapeutic applications of punch-based techniques in dermatologic surgery, noting consistent evidence for follicular unit extraction in androgenetic alopecia, but more mixed results for scar treatment, vitiligo, and chronic wounds, warranting further standardized research.
June 2026 in “Skin Appendage Disorders” This study suggests that pili annulati is likely more common than traditionally thought, highlighting the importance of recognizing its characteristic clinical and trichoscopic features for accurate diagnosis.
November 2023 in “Berkala Ilmu Kesehatan Kulit dan Kelamin/Berkala ilmu kesehatan kulit dan kelamin (Periodical of dermatology and venerology)” This study suggests that using a dermoscope, a handheld microscope, can effectively help distinguish between Pityrosporum folliculitis and Acne vulgaris by revealing unique lesion characteristics that are not visible to the naked eye, offering a practical diagnostic alternative when KOH examinations are unavailable.
6 citations
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May 2022 in “Pharmaceutics” This study demonstrates that MPM-FLIM multimodal imaging can effectively assess the delivery and dissolution of zinc pyrithione particles in human skin follicles using different application techniques.
29 citations
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February 2019 in “Pediatric dermatology” This abstract suggests that specific trichoscopic features like black dots, coiled hair, and trichoptilosis may help differentiate trichotillomania from patchy alopecia areata.
August 2019 in “Journal of The American Academy of Dermatology” This article discusses the premade slit method in hair restoration surgery, emphasizing the importance of a tailored depth control instrument for optimal follicle implantation, but provides no new clinical results.
August 2024 in “Skin Research and Technology” This report describes the diagnosis and treatment of traumatic anserine folliculosis in children, highlighting its distinct skin features and suggesting tretinoin cream as an effective remedy.
16 citations
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May 2017 in “Journal of Clinical Ultrasound” This report describes the sonographic characteristics of a proliferating trichilemmal tumor in the subungual region, identifying it as a heterogeneous mass with echogenic foci, potentially representing keratin and cholesterol.
January 1991 in “Acta Dermato Venereologica” This article describes a new method for staining hair fibers that visualizes keratin filaments without the need for OsO4 fixation or sulfur bond breakage, but it provides no new experimental results beyond the method itself.
January 2015 in “Hair therapy & transplantation” This review updates on various methods for hair and scalp examination, encompassing non-invasive, semi-invasive, and invasive techniques, and reports no new results.
February 2004 in “Dermatologic Surgery” This study found that deep plane fixation in scalp surgeries allowed for tension-reduced wound closures and increased tissue excision compared to techniques without deep plane fixation.
21 citations
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January 2000 in “Fetal Diagnosis and Therapy” This study found that trichothiodystrophy can be diagnosed prenatally in the second trimester using an endoscopically-guided fetal eyebrow biopsy, with sulfur content analysis being the most reliable test.
November 2013 in “Journal of clinical & experimental dermatology research” This article describes the follicular unit extraction method for hair transplantation, discussing its application, candidate selection, technique, outcomes, and the authors' experiences in over several hundred cases, without presenting new clinical results.
8 citations
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January 2012 in “Dermatology Research and Practice” This article describes a new subcision technique intended to simplify the procedure for surgeons without reporting clinical results or outcomes.
316 citations
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June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that using a standardized protocol with microspheres of approximately 1.5 micrometers enhances penetration into hair follicles, particularly when skin is treated with cyanoacrylate skin surface stripping.