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This case report describes a unique instance of an otherwise healthy infant with phylloid terminal hair nevus, a form of hypomelanosis without extracutaneous abnormalities.

This review discusses the various causes and associations of eyelash trichomegaly, including congenital syndromes, acquired conditions, and drug effects, without reporting new clinical results.

This article discusses various periocular conditions like madarosis, milphosis, trichomegaly, and dermatochalasis, and highlights their potential link to underlying local and systemic diseases, but reports no new clinical findings.

This review discusses genetic skin diseases in humans and animals, offering a resource for memorization and exploring animal models' role in understanding human disease mechanisms; it reports no new clinical results.

This study examined a 7-year-old girl with trichomegaly of the eyelashes, showing no significant underlying or observable cause, suggesting a spontaneous occurrence.

This index of Harper's Textbook of Pediatric Dermatology, Fourth Edition, provides no clinical results or new findings.

This case report describes a 19-year-old female with systemic lupus erythematosus who exhibited eyelash trichomegaly, a rare disorder involving changes in eyelash characteristics, alongside diffuse alopecia.

This review discusses segmental vitiligo as part of the vitiligo clinical spectrum and highlights its role as a model for studying repigmentation, but reports no new clinical results.

This review outlines evidence-based strategies for diagnosing pediatric hypopigmented disorders and emphasizes distinguishing vitiligo from self-limiting conditions through a systematic clinical approach; no new results are reported.

This review discusses the diagnosis and treatment of pityriasis rubra pilaris and reports no new clinical results.

This article reports a rare combination of rapid-onset halo nevi, nonsegmental vitiligo, and premature scalp hair graying.

This article reviews various "white diseases" characterized by hypopigmentation or depigmentation and emphasizes the role of melanosomes in skin and eye color, but it does not present new clinical results.

This case report describes three Iranian men with gradual reddish-brown pigmentation on their cheeks and preauricular areas since childhood, unresponsive to sunblocks and topical steroids.

This study reported the case of a 30-year-old man with a bluish-grey scalp nodule that developed over a previously stable hairless plaque, revealing histopathological features consistent with epithelioid cell nests and spindle-shaped dermal melanocytes embedded in collagen.

This review discusses the causes and diagnostic process for facial hypermelanosis, emphasizing the need to rule out systemic disorders like Addison's disease; it reports no new clinical findings.

This study developed a mouse model to mimic PHGDH gene copy number gain, finding that increased PHGDH expression leads to abnormal melanin production, which may offer insights into its role in melanoma.

This abstract contains navigation and subscription information for JAMA Dermatology and reports no new clinical findings.

This review discusses various genetic and acquired conditions associated with poliosis circumscripta and reports no new clinical results.

This study found that increased PHGDH expression in mice led to earlier melanin and melanocyte presence in hair follicles but did not induce cancer.

A new mutation, Glu402Lys, in hair keratin is linked to variable symptoms of monilethrix.

This study presents a case of a 6-month-old infant girl with hypotrichosis and an alopecic plaque in the occipital region, characterized by broken and dystrophic hairs with follicular papules and perifollicular hyperkeratosis, suggesting a diagnostic consideration.

This study reported that in men with androgenic alopecia, a distinct subclinical hyperpigmentation pattern was observed in the scalp, associated with baldness severity and possibly linked to local melanin production by pilosebaceous units.

This review discusses the clinical features of hypopigmented mycosis fungoides in primary cutaneous T cell lymphoma and reports no new clinical results.

This review discusses Becker's Melanosis and Hypertrichosis in young males, summarizing cases observed in Melbourne with clinical and histological analyses, but reports no new clinical findings.

This review discusses the genetic and metabolic factors influencing hair pigmentation, as well as conditions leading to hypo- or depigmented hair, and reports no new experimental findings.

This case report describes the histopathological features of nevus psiloliparus in an 11-year-old girl, noting "shadow" follicular units with loosely arranged collagen and reduced elastic fibers.

This study suggests that congenital atrichia with papular lesions may be more common than previously thought and proposes diagnostic criteria including the observation of hypopigmented whitish streaks on the scalp.

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

This case study describes an elderly woman with distinctive black hair patches and scalp pigmentation, but it does not provide a diagnosis or new findings.

This case report presents a rare subtype of hypomyelinating leukodystrophy linked to a PYCR2 gene mutation, emphasizing exome sequencing's value in diagnosing undiagnosed childhood HLDs with atypical symptoms.