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This study found a decreased number of follicular melanocytes in patients with alopecia areata, though it remains unclear if this decrease is due to autoimmune attack or rapid hair cycling.

In this case report, researchers observed that a malnourished male patient developed pseudoglucagonoma syndrome, characterized by necrolytic migratory erythema and diffuse hair loss, following Frey's surgery, which rapidly improved with enhanced nutrition.

In this report, a 1-year-old boy with congenital atrichia with papular lesions was found to have a complete absence of scalp and body hair and keratin-filled cysts due to a mutation in the hairless gene.

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.

This study identified four novel DSG4 mutations associated with monilethrix in 12 Jewish families, suggesting a recessive inheritance pattern and broader prevalence of DSG4-related hair disorders than previously recognized.

The researchers in this study described the use of trichoscopy to assist in diagnosing aplasia cutis congenita of the scalp in a dark-skinned newborn, noting that trichoscopic findings can differ from those seen in light-skinned patients, yet remain a valuable diagnostic tool.

This article discusses the roles of different proteins in melanogenesis and proposes a hypothesis to explain the diversity of human hair pigmentation, but it reports no new experimental results.

This case report describes a 47-year-old male with rare total melanonychia linked to vitamin B12 deficiency, whose nail discoloration and constitutional symptoms improved following vitamin B12 supplementation.

This case report describes the trichoscopic and histological features observed in a 7-year-old boy with morphea en coup de sabre and details the positive response to systemic immunosuppressive therapy.

Lichen planus pigmentosus and fibrosing frontal alopecia in Colombia are likely different stages of the same disease.

Nilotinib may cause gray hair to return to its original color.

This article discusses various surgical options for treating leukotrichia in vitiligo patients and reports that hair transplantation shows more promising results, particularly for eyebrows and eyelashes, compared to previous methods.

This case report describes a unique instance of IgG/IgA pemphigus in a Chinese woman, highlighting its distinct clinical and immunopathologic characteristics, including successful management with dapsone and prednisolone.

Older men's scalp damage increases with age and sun exposure, a baby girl in the Philippines has Schimmelpenning syndrome, and thyroid screening is advised for children with hair loss and certain risk factors.

This study reports that prurigo pigmentosa did not appear linked to a specific common trigger such as the ketogenic diet, but suggests that oral antibiotics might effectively resolve the condition.

This case study highlights Erythromelanosis follicularis faciei et colli as an easily overlooked pigmentary disorder characterized by a distinctive triad requiring precise diagnosis for effective patient counseling and cosmetic management.

The child was diagnosed with cutaneous leishmaniasis.

This report highlights hyperpigmentation as an underreported side effect of topical cidofovir treatment for trichodysplasia spinulosa.

This review details five cases of syphilitic alopecia, an uncommon symptom in syphilis affecting mainly men, emphasizing that dermatologists should be vigilant as it can appear as the sole symptom.

This study found that spleens of black C57BL/6 mice contain eumelanin, with properties different from skin and hair melanin, and may originate from skin melanin transported by immune cells.

This report describes a case of Rothmund-Thomson type congenital poikiloderma, noting minor skin changes, hair loss, and slightly elevated lysine and cystine in the urine.

This article discusses a case of sudden hair whitening in an 82-year-old woman, exploring the 'overnight greying' phenomenon, and reports no new results.

This study found that Sox2 within dermal papilla cells in the hair follicle regulates hair pigmentation, influencing the type and production of melanin.

This case report details a rare instance of a giant cellular blue nevus on the scalp, highlighting its potential to damage underlying bone and hair follicles, alongside a separate alopecia areata lesion successfully treated with topical corticosteroid.

Treatments for melanin disorders exist, but more effective options needed.

In this study, researchers found that cyclophosphamide treatment unexpectedly reduced splenic melanin deposition in a murine model, whereas this effect was down-regulated more by the normal and dystrophic catagen phase of the hair cycle.

This study observed that 6.7% of patients treated with diphencyprone for alopecia areata developed vitiligo, with varying patterns and improvements noted among cases.

In this case study, a 20-year-old man experienced progressive hair loss starting as a localized patch on the vertex of his scalp, eventually spreading in a curvilinear pattern to the sides and back.

In this study, reduced hair density, diameter, and follicle miniaturization were key characteristics of female pattern hair loss in Southern Chinese women, with occipital and temporal sites also affected.

This case report examines a patient with myasthenia gravis, invasive thymoma, and paraneoplastic pemphigus associated with alopecia areata, notably without the usual mucosal involvement.