December 2022 in “The journal of pediatrics/The Journal of pediatrics” A young girl's foot lesion was actually a rare condition caused by a hair fragment under the skin, not a parasite.
January 2026 in “Indian Journal of Paediatric Dermatology” A 14-year-old boy has a skin condition called nevus comedonicus, treated with tretinoin cream.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
12 citations
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August 1988 in “Histopathology” The tumor likely shows dual neural crest differentiation.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
7 citations
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January 2013 in “Ophthalmic plastic and reconstructive surgery” A 79-year-old man was diagnosed with a rare skin condition called nevus comedonicus on his eyelids.
December 2017 in “Canadian journal of ophthalmology” A rare skin condition was misdiagnosed as a harmless mole on a woman's eyelid.
14 citations
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August 2004 in “Veterinary Dermatology” The horse had a rare type of hair loss caused by immune cells attacking hair follicles.
April 2016 in “Journal of the American Academy of Dermatology” Dermoscopy helped correctly diagnose a skin condition that was previously misidentified as a different hair loss disease.
6 citations
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
10 citations
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September 1994 in “International Journal of Dermatology” Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
January 2021 in “Research Square (Research Square)” Rabbits with high wool production have more hair follicles, influenced by specific long noncoding RNAs.
June 2026 in “Indian Dermatology Online Journal” A supernumerary nipple was correctly identified using dermoscopy, avoiding misdiagnosis.
9 citations
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November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
1 citations
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August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
2 citations
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December 2019 in “Cureus” A patient with a scalp condition and benign skin tumor experienced hair loss and did not improve with treatment, choosing not to have surgery despite a small cancer risk.
1 citations
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January 2009 A 25-year-old Malay fireman had skin bumps on his neck that were removed successfully after other treatments failed.
March 2026 in “Journal of Investigative Dermatology”
10 citations
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January 2011 in “Annals of Dermatology” A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
November 2023 in “BMJ case reports” A man in his 30s had patchy hair loss on his leg due to primary follicular mucinosis.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
March 2026 in “The Journal of Dermatology” Hair transplantation in nevus sebaceus maintains hair cycling but doesn't prevent tumor growth; complete excision is recommended.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
29 citations
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February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
January 1998 in “The Nishinihon Journal of Dermatology” A 7-year-old girl was diagnosed with Netherton's Syndrome, shown by skin and hair symptoms.
2 citations
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January 2022 in “International journal of trichology” Eruptive vellus hair cysts are often missed in diagnoses.
Recognizing bamboo hair helps diagnose Netherton’s syndrome.
August 2016 in “Journal of the American Academy of Dermatology” The infant likely has Hay-Wells syndrome and needs genetic testing and heart screening.