December 2015 in “European Journal of Pediatric Dermatology” Newborns can experience temporary hair loss in bands, unrelated to sleeping position.
June 2022 in “Indian Dermatology Online Journal” A man with total hair loss developed blackhead-like spots on his scalp, possibly because no hair was present to help drain oils.
June 2011 in “European Journal of Pediatric Dermatology” An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
December 2023 in “Journal of comparative pathology” A dog had a rare skin cyst, known as a dilated pore of Winer, surgically removed from its neck.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A 13-year-old boy had both lichen planus and vitiligo, suggesting a possible link between the two conditions.
This rare genetic disorder causes permanent hair loss and skin bumps from birth.
32 citations
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February 2016 in “The American journal of dermatopathology/American journal of dermatopathology” Extramammary Paget disease can spread deeply into tissues, reaching up to 3.6 mm.
April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
October 2025 in “EMJ Dermatology” 26 citations
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
6 citations
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July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
Benign tumors from hair follicles can look like other skin cancers but have distinct features under dermoscopy.
8 citations
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March 2011 in “Endocrine” A new gene mutation causes vitamin D-resistant rickets and hair loss in two siblings.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
August 2018 in “The Molecular Biology Society of Japan” 68 citations
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
36 citations
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January 2010 in “Journal of Pediatric Endocrinology and Metabolism” A new gene mutation causes vitamin D resistance and hair loss in two unrelated girls.
1 citations
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December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” Lower 2D:4D finger ratios in HS patients suggest prenatal hormone influence on the disease.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Moles on the scalp are more common in people with more body moles and atypical moles, but not linked to balding.
August 2024 in “Skin Research and Technology” TAF can be identified by excessive skin thickening and clogged hair follicles, helping distinguish it from similar skin conditions.
Recognizing and fully removing giant pilomatrixomas is crucial to prevent them from becoming cancerous.
4 citations
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January 1992 in “Clinical Oncology” Some cancer treatments can cause abnormal fine hair growth.
3 citations
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December 2020 The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Finding a positive nonsentinel lymph node in melanoma patients indicates a worse prognosis.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
7 citations
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May 1996 in “PubMed” Milia en plaque can be caused by skin damage, tumors, or external factors.
Pilomatricoma is a rare, harmless skin lump that needs accurate diagnosis and timely treatment.
5 citations
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January 2021 in “Frontiers in cell and developmental biology” Skin cysts might help advance stem cell treatments to repair skin.
December 2024 in “Clinical Cosmetic and Investigational Dermatology” Elderly patients with eruptive skin bumps may have clear cell syringoma linked to glucose issues.
July 2023 in “The Egyptian Journal of Otolaryngology/The Egyptian Journal of Otolaryngology” A patient's rare benign tumor in the neck was removed successfully with proper function of the facial nerve maintained.