1 citations
,
October 2019 in “European Journal of Dermatology” Salicylic acid ointment effectively treated a toddler's skin condition.
13 citations
,
January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
3 citations
,
January 2020 in “JAAD Case Reports” A girl had two rare hair conditions that helped understand their overlap.
January 2024 in “Diagnostic cytopathology” Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
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.
6 citations
,
April 2010 in “The American Journal of Surgical Pathology” Trichoblastoma in the breast can be mistaken for cancer, so expert review is crucial to avoid misdiagnosis.
19 citations
,
August 1996 in “British Journal of Dermatology” Alopecia areata affects hair follicle structure, even in non-balding areas.
1 citations
,
July 2024 in “Journal of Investigative Dermatology” Immune cells boost stem cell activity in hairy moles, causing more hair growth.
1 citations
,
December 2021 in “Kathmandu University medical journal” Adult earlobe can have a benign cyst that is usually removed by surgery.
February 2024 in “Cureus” A large scalp tumor was removed from an elderly woman, who was later diagnosed with schizophrenia.
November 2022 in “Journal of the Endocrine Society” An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
1 citations
,
June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
August 2023 in “British Journal of Surgery” Synthetic hair transplants can lead to skin cancer on the scalp.
14 citations
,
August 2004 in “Veterinary Dermatology” The horse had a rare type of hair loss caused by immune cells attacking hair follicles.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
January 2020 in “International Journal of Trichology” Androgen-producing ovarian tumors can cause male-pattern hair loss in women.
53 citations
,
October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
6 citations
,
July 2011 in “Journal of Plastic Reconstructive and Aesthetic Surgery” Eyebrow reconstruction using hair follicle grafts was successful in a man with a benign hereditary disorder affecting his eyebrows.
September 2025 in “Dermatology Online Journal” Biopsy is crucial for diagnosing unusual hair loss causes like lymphoma.
15 citations
,
January 2014 in “Dermatology” Some patients with a type of skin lymphoma can experience a rare, non-scarring hair loss that looks like another hair loss condition but has distinct features.
October 2025 in “Diagnostics” Temporal triangular alopecia is a harmless, non-progressive hair loss condition.
380 citations
,
March 2000 in “Proceedings of the National Academy of Sciences” Overexpressing GLI-1 in mice skin can cause tumors like human basal cell carcinomas.
8 citations
,
January 2013 in “Australasian journal of dermatology” Trichodysplasia spinulosa is a rare skin condition caused by a virus, treatable with antiviral medication.
30 citations
,
May 2008 in “International Journal of Dermatology” Lipedematous alopecia causes permanent hair loss due to increased scalp fat.
44 citations
,
August 2004 in “Journal of Investigative Dermatology” A gene deletion in DSG4 causes sparse hair in some Pakistani families.
1 citations
,
November 2003 in “Annals of saudi medicine/Annals of Saudi medicine” A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.
69 citations
,
May 2002 in “Journal of Investigative Dermatology” Congenital atrichia with papular lesions is often misdiagnosed, and new diagnostic criteria can improve accuracy.