A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
June 2025 in “British Journal of Dermatology” Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
9 citations
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September 2020 in “Journal of cosmetic dermatology” A woman developed vitiligo from repeated eyebrow microblading.
16 citations
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August 2000 in “British Journal of Dermatology” Removing the liver tumor improved the patient's skin condition and hair growth.
2 citations
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January 2011 in “Dermatologica Sinica” Taiwan reported its first case of a rare scalp condition with no clear cause or treatment.
7 citations
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January 1989 in “Leprosy Review” A woman with leprosy improved after stopping dapsone and getting treatment for a severe skin reaction and nail changes.
4 citations
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September 2013 in “Journal of Plastic Surgery and Hand Surgery” A girl with a rare syndrome had successful hair loss treatment with no relapse after 4 years.
1 citations
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September 2023 in “Skin Appendage Disorders” Chronic burn scars may lead to scalp skin issues, so doctors should consider this when diagnosing.
4 citations
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January 2020 in “Indian dermatology online journal” Lichen simplex chronicus on the scalp can be diagnosed by specific hair and skin signs and treated with corticosteroids and therapy.
December 2022 in “Journal of Paediatrics and Child Health” A 14-year-old girl experienced severely itchy lesions in the armpits and pubic region for 6 months, following laser treatment and axillary hair loss. The lesions were skin-coloured to yellowish-brown papules, 1–2 mm in size, with a dome-shaped, smooth surface, distributed around hair follicles. Despite treatment with ketoconazole cream for a suspected fungal infection, there was no improvement. The document did not provide the diagnosis, which was referenced on another page.
July 2019 in “Zenodo (CERN European Organization for Nuclear Research)” Follicular mucinosis in a 15-year-old is usually harmless but needs monitoring for possible lymphoma.
May 2021 in “Our Dermatology Online” A woman with a rare scalp condition causing a thick scalp and hair loss didn't improve with steroid treatment.
October 2007 in “Revue du Rhumatisme” July 2019 in “Dermatologic Surgery” 
October 2021 in “Journal of Investigative Dermatology” Skin changes in Pseudoxanthoma elasticum patients can indicate the severity of related health issues.
1 citations
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January 2022 in “Indian dermatology online journal” Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
February 2013 in “Journal of The American Academy of Dermatology” A boy with a rare birthmark called verrucous hemangioma needed careful timing for surgery due to its size and depth.
May 2024 in “JAAD Case Reports” A young man was diagnosed with a rare hair loss condition usually seen in older women.
1 citations
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June 2024 in “Anais Brasileiros de Dermatologia” Recognizing specific scalp patterns can help diagnose hair loss linked to breast cancer spread.
1 citations
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January 1986 in “PubMed” The boy's symptoms suggest a possible new medical condition.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A girl with Becker naevus syndrome has a genetic variant in the ACTB gene related to her symptoms.
December 2024 in “Indian Journal of Veterinary Public Health” Argentine-cross polo ponies commonly develop sarcoid tumors with distinct types and histopathological features.
2 citations
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June 2018 in “Dermatologic Surgery” 
Tumid lupus erythematosus can cause non-scarring hair loss on the scalp and requires careful diagnosis.
July 2025 in “Dermatologic Surgery” 16 citations
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December 1996 in “International Journal of Dermatology” Vitamin C is essential to prevent scurvy and its symptoms.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
May 2005 in “Hair transplant forum international” Trichotemnomania causes hair loss due to compulsive hair cutting or shaving.
January 2004 in “Linchuang pifuke zazhi” A man lost hair permanently from a salon burn, and surgery was needed to fix the scar.
24 citations
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August 2013 in “Facial Plastic Surgery Clinics of North America” SMP is a medical tattoo for hair loss, improving appearance and camouflaging scars, but requires skill and has limitations.