5 citations
,
July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
30 citations
,
May 2005 in “Pediatric dermatology” Some families have a genetic condition where they are born with irregular scalp defects.
18 citations
,
January 2002 in “Pediatric Dermatology” A rare skin condition in children can look like other diseases.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
16 citations
,
July 2019 in “Biochemical and Biophysical Research Communications” CD36-expressing dermal sheath cells help form blood vessels in hair follicles, aiding hair growth.
March 2026 in “Portuguese Journal of Dermatology and Venereology” Avoid hair dye after microneedling to prevent scalp pigmentation.
January 2026 in “Advances in Dermatology and Allergology” Alopecia areata may be linked to changes in small blood vessels.
2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
6 citations
,
August 2012 in “The Journal of Pediatrics” A 12-year-old girl was diagnosed with monilethrix, a genetic condition causing fragile, beaded hair that breaks easily, with no effective treatment available.
December 2023 in “Curēus” Surgical removal of a scalp keratoacanthoma is effective and prevents recurrence, but hair may not regrow.
November 2019 in “Nosotchu” Man had stroke possibly linked to hair loss medications finasteride and minoxidil.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
January 2022 in “Clinical Cases in Dermatology” A 12-year-old boy has a rare, harmless hair loss on his chin with no need for treatment.
264 citations
,
October 1958 in “Archives of Dermatology” A 4-year-old girl has a rare hair condition causing fragile, short hair.
March 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Removing a tumor may resolve associated skin and hair symptoms.
19 citations
,
January 2014 in “International Journal of Medical Sciences” Abnormal activation of hair follicle stem cells and Wnt/β-catenin signaling contributes to sebaceous neoplasms.
6 citations
,
September 2014 in “Journal of the American Academy of Dermatology” Researchers found a potential new type of skin growth called follicular mucinous nevus.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
28 citations
,
January 2012 in “Case Reports in Medicine” Hair-thread Tourniquet Syndrome, where hair or thread tightly wraps around a body part, is not rare and requires early detection to prevent serious damage.
Laser therapy is effective for treating vascular lesions with the right light settings and trained professionals.
June 2023 in “JAAD Case Reports” A man had a rare skin cancer that looked like a bald spot.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” VEGF helps squamous cell carcinoma grow in ways beyond just blood vessel formation.
10 citations
,
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.
33 citations
,
May 2015 in “JAMA Dermatology” Early detection of specific skin lesions can help identify Birt-Hogg-Dube syndrome and prevent serious complications.
12 citations
,
June 2006 in “Pediatric blood & cancer” A 16-year-old boy had pernicious anemia, autoimmune hemolytic anemia, and later developed alopecia areata.
3 citations
,
May 2018 in “The American Journal of Medicine” A woman's long-term scalp issues were diagnosed as a rare skin disorder called cutaneous Langerhans cell histiocytosis.
2 citations
,
March 2023 in “Skin research and technology” Temporal triangular alopecia in infants is mostly seen in males at birth, with unique features that help with diagnosis.
9 citations
,
August 2002 in “British journal of ophthalmology” The document reports a rare case of ECCL with a new association with optic disc colobomas.
October 2013 in “International Journal of Pediatric Endocrinology/International journal of pediatric endocrinology” A boy with early puberty and laughing seizures was treated, stopping seizures and slowing puberty.