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This review discusses the significant progress in the diagnosis and treatment of hair loss disorders over the last 30 years and reports no new clinical results.

This source outlines the crucial steps and techniques for conducting scalp biopsies to diagnose cicatricial and non-cicatricial alopecias, emphasizing the importance of proper biopsy site selection, technique, and specimen processing to accurately interpret histopathology and understand related hair follicle disorders.

In this study, a ferret with multiple health issues was diagnosed with a malignant apocrine gland adenocarcinoma on the prepuce, highlighting the aggressive nature of such tumors in this species and suggesting further investigation into cytologic features could provide insights into tumor behavior.

This case report describes the first dermoscopic evaluation of alopecia areata-like disease in a dog, where the condition mirrored human cases in terms of clinical presentation and treatment response.

The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.

This study found that in Pomeranian dogs with alopecia X, dermoscopic evaluations can supplement diagnoses, and transverse skin biopsy sections better assess hair follicle density and identify growth arrest phases compared to longitudinal sections.

This study found that a herbal formulation made from Withania somnifera collected in Uttarakhand promoted in vivo hair growth in male Wistar rats, as supported by follicular histological analysis.

This case study reported on a 72-year-old woman initially diagnosed with inflammatory alopecia, later identified as having angiosarcoma of the scalp, revealing the importance of considering unexpected malignancies during evaluation of suspected inflammatory alopecia cases.

This study found that sub-100 nm solid lipid nanoparticles showed the most effective skin penetration and depth, primarily via hair follicles, in rat skin evaluations.

This study optimized caffeine-loaded nanostructured lipid carriers for alopecia treatment, achieving enhanced skin permeation and promoting hair growth compared to a marketed formula, as shown through physiochemical evaluations and histological examination.

This case report describes a rare instance of a giant and atypical proliferating pilomatrixoma on the eyelid, successfully treated with surgical excision, with no recurrence observed after one year, emphasizing the need to excise and histologically evaluate enlarging periocular masses to rule out malignancy.

This study provides evidence that Cyclosporine A inhibits catagen development in human hair follicles, suggesting different underlying mechanisms from those observed in rodent studies.

This study found that treating the skin of Mexican hairless dogs with different tretinoin formulations reduced comedones and lightened skin color, suggesting its potential as a model for evaluating retinoid activity.

This study found that fluorescence excitation spectroscopy could be a promising noninvasive tool for assessing the effects of comedolytic agents like retinoids on acne-like lesions in rhino mice.

This study demonstrates that the newly developed portable reflectance confocal microscope (PRCM) offers real-time, noninvasive monitoring of wound healing processes by visualizing skin morphology in both mice and humans.

The researchers reported that using a concentrate of conditioned mesenchymal stem cells derived from the placenta accelerated wound healing and regeneration in laboratory animals with severe local radiation injuries.

This study found that compound 3 derived from aza-bicyclo-carboxylic acid may exert a cardioprotective effect by reducing infarction area in myocardial ischemia-reperfusion injury, potentially involving A1-adenosine receptor activation and changes in cAMP levels.

This study found that ethanolic leaves extract of Hibiscus rosa-sinensis L. exhibited strong antioxidant activity and enhanced wound healing properties in mice, showing reasonable safety in toxicological evaluations without severe alterations.

This study developed a new multifunctional medical dressing using Bletilla striata polysaccharide and ethanol extract that demonstrated hemostatic, antibacterial, and significant wound healing effects, as evidenced by quicker healing rates and improved skin conditions in treated wounds compared to controls.

In this study, a square pulse, low-fluence IPL device used at home significantly reduced terminal hair count by 87% six months post-treatment, with evidence of hair miniaturization similar to professional laser treatments.

This study found that a fish skin-derived acellular dermal matrix improved wound healing in diabetic rats, showing faster closure rates and enhanced tissue regeneration compared to commercial alternatives.

This study found that Na CMC hydrogel loaded with PEG-coated silver nanoparticles demonstrated superior antibacterial and wound-healing efficacy compared to commercial silver sulfadiazine cream in a wound-healing model.

This study introduced a noninvasive spectroscopy method to assess hair follicle stages in mice by measuring skin diffuse reflectance and melanin dynamics, offering a potential tool for hair regeneration research.

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.

This study investigated the effects of a YH complex, derived from Cinnamomum cassia and Astragalus membranaceus, on androgenetic alopecia in mice, finding that it promoted hair regrowth and improved hair follicle health by modulating hair cycle regulation and reducing apoptosis signaling pathways.

In this study, researchers assessed wool quality in sheep and found that the Gentile di Puglia breed, a Merino-derived Italian breed, exhibits finer wool through higher secondary follicle density compared to the non-merinized Sarda breed, suggesting its potential for sustainable wool production.

This study found that ethanolic and petroleum ether extracts of Cuscuta reflexa, as well as an isolate from these extracts, improved hair growth and follicle characteristics in androgen-induced alopecia in rats.

This study suggests that ozone bagging therapy may effectively enhance the healing of chronic distal limb wounds in horses, achieving full wound closure with minimal complications.

This case report describes a 17-year-old boy with alopecia areata who had vitamin D deficiency and an incidentally discovered adrenal ganglioneuroma, with alopecia receding after vitamin D supplementation but later recurring despite normalized vitamin D and no tumor return.

In this study, autologous fat injection was found to be more effective than platelet rich plasma in improving post-burn facial scars, as measured by decreased Vancouver scores and increased epidermal thickness among 60 patients.