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This case report describes a testosterone- and cortisol-secreting adrenocortical oncocytoma causing hirsutism in a 23-year-old woman, highlighting adrenal oncocytomas as an important consideration for differential diagnosis.

This retrospective review of hair samples from pediatric patients indicated that microscopic hair examination might be a useful first-line investigation for diagnosing various genetic conditions.

This article reviews the potential of topical minoxidil to cosmetically thicken hair in some individuals with male pattern hair loss, but it reports no new clinical results.

In this study, pediatric patients with overt polyautoimmunity frequently had systemic lupus erythematosus as an index disease, with clustering patterns revealing familial influence on autoimmune disease aggregation.

This study found that treating a 3D hair dermal papilla model with rice bran extract and electromagnetic fields increased melanogenesis, suggesting potential for vitiligo and white hair therapies.

This review discusses the use and sustainability challenges of luxury animal hair fibers in the fashion industry and reports no new research findings.

This chapter reviews hyperadrenocorticism in ferrets, covering its causes, symptoms, diagnosis, and treatment options, but reports no new research findings.

In this study, researchers formulated a hair tonic using various herbal extracts and reported effective antifungal and antibacterial properties, along with good consistency, spreadability, homogeneity, appearance, and pH balance.

In this study, researchers developed a relatively simple punch assay for regenerating hair follicles using mouse or human cells, finding efficient hair formation with mouse cells but low efficiency with human cells on reconstituted human skin.

In this study, the aqueous extract from Phthirusa pyrifolia leaves significantly decreased testosterone levels in male Wistar rats without causing liver or kidney damage, suggesting potential effects on libido and reproduction.

This study found that serum steroid profiling, particularly 11-deoxycortisol, can effectively differentiate between ACC and ACA, while considering sex differences and functional status for other steroids is important.

This study found that hair treated with shampoo containing water-soluble silicone demonstrated smoother sliding and better detangling, compared to shampoo with water-insoluble silicone, due to differences in conditioning film formation.

In this study, the bending stiffness of human hair was linked to the varying proportions of para-like versus ortho-like cortical cells within the hair fiber.

This study found that men with more advanced androgenetic alopecia had increased epicardial fat thickness, suggesting a potential link to coronary risk.

This study proposed a network model for the cross-linked structure of keratin-associated proteins in hair and wool fibers, suggesting notable differences between the two, potentially affecting hair fiber elasticity.

This study found that permanent wave treatment accelerates hair degradation after protease exposure, showing significant morphological differences compared to untreated hair and linked to damage from Alpha-helical region denaturation.

This study found that specific genetic variants of the KAP22-1 gene in Egyptian sheep breeds were significantly associated with wool traits like crimp, staple length, kemp score, and greasy color grade, suggesting their potential use in breeding programs.

This study found that coconut oil significantly increased the tensile strength of twisted hair fibers due to its ability to penetrate the hair core, in contrast to mineral oil.

This review examines the role of root hair specification and nutrient acquisition in plants, emphasizing the need for further genetic research to understand the mechanisms influencing root hair development and growth.

The authors concluded that thymoma-associated paraneoplastic syndrome in cats may manifest as noninflammatory alopecia instead of exfoliative dermatitis, and should be considered when diagnosing multifocal noninflammatory alopecia.

This case report describes a 57-year-old woman with hirsutism, hair loss, and vocal changes, who was found to have elevated testosterone levels but normal dehydroepiandrosterone sulfate levels.

The document explains the genetic causes and characteristics of inherited hair disorders.

Isolated patchy heterochromia with pili annulati can occur without other health issues.

This source highlights the utility of cationic polymers in haircare products for protecting against hair damage from chemical treatments and grooming, and describes how microfluorometry can measure polymer deposition and penetration on hair fibers.

In this study, nanostructured lipid carriers for hair split-end repair showed similar efficacy regardless of charge, with negatively charged carriers exhibiting better stability over six months compared to positively charged ones.

This review discusses the basic principles of hair pathology and findings in common types of alopecia but reports no new research results.

The document explains the causes, types, diagnosis, and treatments of hair loss, and its psychological impact, especially on women.

This article reviews various hair growth and hair loss treatments, noting limited new developments since FDA-approved drugs but highlights recent cosmetic surgery and potential cell-based therapies; it reports no original findings.

This review examines the impact of biotin, vitamin B12, and zinc on male reproduction, emphasizing their role in spermatogenic failure, but reports no new clinical results.

Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.