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The study found that Temporal Triangular Alopecia often starts in early childhood, mainly affects the left side of the scalp, and has no effective treatment except surgery.

This review from JAAD Reviews provides a comprehensive overview of hypertrichosis, discussing its diagnosis, treatment options like topical and laser therapies, and special psychosocial considerations for pediatric patients to better support clinicians and researchers in managing this condition.

In this study, researchers found a positive correlation between trichoscopic features and histomorphological findings, supporting trichoscopy as a valuable tool for assessing androgenetic alopecia severity and monitoring treatment outcomes.

This study described trichilemmal cysts, firm lumps that form from blocked hair follicles, typically found on the scalp but also less commonly on other body parts, affecting less than 10% of the population and possibly inherited as an autosomal dominant trait.

This review systematically analyzed literature to differentiate desmoplastic trichoepitheliomas from other cutaneous tumors based on clinical, histopathological, and immunohistochemical features but reports no new clinical results.

TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.

In this study, a daily topical application of a 0.05% tretinoin solution effectively removed dark plugs and resolved symptoms of trichostasis spinulosa.

This study observed unique ultrastructural changes in a 4-year-old girl with pili trianguli et canaliculi that may affect hair shaft surface characteristics due to inner root sheath alterations.

This case report describes a six-year-old girl with hypertrichosis cubiti, characterized by excess terminal hair growth around the elbows, and notes treatment with over-the-counter depilatory creams and shaving to address aesthetic concerns.

Keratin 79 cells help form and regenerate hair canals.

This study found that human iPSC-derived dermal papilla precursor cells can regenerate hair follicle structures, offering a potential new treatment approach for permanent alopecia.

This report presents the first known case of a proliferating hybrid cyst containing both epidermoid and trichilemmal components on the scrotum of a 44-year-old man.

This study found that local therapy with trichoriboside and trichosaccharide significantly increased cAMP levels in hair follicles of men with androgenic alopecia, with trichoriboside showing greater activity.

This study found trichoscopy to be a reliable non-invasive method for diagnosing various forms of alopecia, aiding in clinical management and reducing the need for biopsies in a hospital-based setting with 90 patients, including those with uncertain diagnoses.

Trichoscopy is a helpful and quick method to diagnose hair loss without shaving.

This case report highlights the clinical and trichoscopic diagnosis of congenital triangular alopecia in a 9-month-old boy and notes the condition's typical unresponsiveness to traditional treatments.

This study concluded that isolated trichotillomania of the eyebrows and eyelashes, identified by specific hair characteristics, may be linked to underlying obsessive-compulsive disorders in affected patients.

The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.

This article discusses a case of alopecia areata, androgenetic alopecia, and trichostasis spinulosa, highlighting how dermoscopy can help differentiate black dots from trichostasis spinulosa lesions, but it reports no new clinical results.

This study found that the patch assay effectively reconstituted mature hair follicles using culture-expanded human fetal cells and may serve as a method to assess cell trichogenicity.

This study identified molecular elements controlling the expression and stabilization of THH protein in hair follicle cells, revealing key mechanisms that support hair shaft development in mice.

In this study conducted from September to November 2023, researchers used trichoscopy to accurately diagnose cicatricial alopecias by revealing unique patterns, reducing the need for biopsies, and proving to be a valuable non-invasive diagnostic method.

This report highlights that trichoscopy is a useful, non-invasive tool for diagnosing tinea capitis in children, particularly in areas where lab facilities are limited.

In this study of folliculitis decalvans, researchers found that compound follicular structures in scalp biopsies are primarily composed of terminal anagen follicles, surrounded by fibrosis and inflammatory cell infiltrate, which could enhance understanding of this condition.

This study observed that adipose-derived stem cells modified with trichogenic factors have similar properties to dermal papilla cells and show enhanced hair regeneration potential compared to unmodified adipose-derived stem cells.

This case report of a 60-year-old male patient diagnosed with trichilemmal carcinoma, initially mistaken for a sebaceous cyst, highlights the importance of careful evaluation of atypical swellings for correct diagnosis and treatment.

This research observed that during the catagen phase, the inner root sheath of hair follicles becomes an early target, highlighting its potential role in maintaining hair follicle homeostasis.

This study found that trichoscopy can effectively identify specific patterns associated with Vitamin B12, Vitamin D3, and serum ferritin deficiencies in patients with Telogen Effluvium, offering a non-invasive alternative to blood tests for early diagnosis and management.

This case report highlights a 34-year-old woman with traction alopecia, where diagnosis was clarified by the presence of peripilar keratin sheaths, a useful dermoscopic clue.