6 citations
,
December 2018 in “The American Journal of Dermatopathology” Early shedding of the inner root sheath in noninflamed hair follicles is a relatively specific sign of Central Centrifugal Cicatricial Alopecia.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
39 citations
,
July 2015 in “British Journal of Dermatology” The pseudo 'fringe sign' can also appear in frontal fibrosing alopecia, not just in traction alopecia, showing that this condition may be more common than thought.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
2 citations
,
March 2018 in “The Journal of Dermatology” The "color-transition sign" helps tell apart alopecia areata incognita from telogen effluvium by looking at hair color changes.
9 citations
,
March 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Recognizing Jacquet's sign helps diagnose and treat traction alopecia accurately.
1 citations
,
December 2017 in “Anais Brasileiros de Dermatologia” Frontal fibrosing alopecia can mimic traction alopecia but has distinct features like facial papules and eyebrow thinning.
12 citations
,
December 2021 in “Dermatology” Trichoscopy can help diagnose and assess disease activity in connective tissue diseases by identifying specific hair and scalp signs.
14 citations
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June 2013 in “Anais Brasileiros de Dermatologia” Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
June 2022 in “Indian journal of clinical and experimental opthalmology” The report shows a young man with Hutchinson-Gilford Progeria Syndrome had typical and additional eye problems related to the disease.
July 2025 in “Dermatology Reports” Dermatologists should recognize diverse discoid lupus signs to avoid misdiagnosis.
6 citations
,
October 2001 in “British Journal of Ophthalmology”
June 2021 in “Journal of The American Academy of Dermatology” The "spade sign" is a highly specific indicator for diagnosing acne keloidalis.
March 2015 in “Polish Journal of Public Health” Blood vessel patterns in skin diseases relate to certain blood markers in systemic sclerosis but not in psoriasis or psoriatic arthritis, and may indicate circulation issues in alopecia.
32 citations
,
August 2016 in “Science Signaling” Alopecia areata patients show unique protein activity patterns, suggesting imbalanced signaling pathways.
29 citations
,
February 2019 in “Pediatric dermatology” Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
July 2025 in “Dermatology Practical & Conceptual” Hair changes and a high occipital hairline may help diagnose Trichorhinophalangeal Syndrome.
53 citations
,
September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
May 2013 in “Optometry and vision science” The document discusses challenges in eye care, including treating melanoma before macular hole repair, bloody tears resolved by blood pressure control, eyelash regrowth in hair-pulling disorder with medication, a non-invasive method to detect eyelash mites, and the psychological factors affecting contact lens comfort.
January 2024 in “Dermatology Practical & Conceptual” Spotted lunula may help identify alopecia areata.
2 citations
,
July 2005 in “Journal of The American Academy of Dermatology”
January 2024 in “Journal of Cosmetics Dermatological Sciences and Applications” Females with pattern hair loss have more occipital involvement than males.
23 citations
,
November 2014 in “Anais Brasileiros de Dermatologia” Trichoscopy helps tell apart scalp lesions in pemphigus vulgaris and pemphigus foliaceus and is useful for choosing biopsy locations.
October 2023 in “Indian Dermatology Online Journal” Schimmelpenning Syndrome requires careful evaluation and tailored treatment for skin, eye, and developmental issues.
2 citations
,
October 2017 in “Journal of The American Academy of Dermatology” Focal atrichia helps diagnose female pattern hair loss.
5 citations
,
February 2014 in “PloS one” Eyelid cells share signaling components but differ in pathway activity.
1 citations
,
July 2025 in “Indian Dermatology Online Journal” Certain hair and scalp features indicate a worse outcome in alopecia areata.
8 citations
,
August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.