4 citations
,
January 2011 in “European journal of dermatology/EJD. European journal of dermatology” A boy had a rare scalp condition with thickened skin and different-colored hair.
7 citations
,
November 2013 in “Pediatric and Developmental Pathology” Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
September 2024 in “Cosmoderma” The young man has complete hair loss and skin bumps, with no other health issues or family history.
34 citations
,
December 1995 in “Pediatric Dermatology” Congenital Triangular Alopecia is a rare, non-scarring hair loss that can be surgically treated in females for cosmetic reasons.
January 2022 in “Nasza Dermatologia Online” Dermoscopy helps doctors recognize a type of benign skin tumor called pilomatricoma.
48 citations
,
July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
November 2021 in “Clinical, cosmetic and investigational dermatology” An elderly woman with cancer improved after treatment for a rare skin condition with coiled hairs.
The document concludes that the girl's hairlessness is likely inherited from her parents.
37 citations
,
June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
July 2025 in “Clinical Dermatology Review” A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
1 citations
,
January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
January 2023 in “Indian Dermatology Online Journal” A 23-year-old man has a benign, non-progressive hair loss patch that doesn't respond to treatment but can be cosmetically treated.
July 2001 in “Pediatrics in review” The girl's increased hair growth and other symptoms were due to a hormone-secreting ovarian tumor, which was successfully treated with surgery.
November 2025 in “Pediatric Dermatology” The boy's hair fully regrew after treatment for a rare hair loss condition.
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.
August 2024 in “Clinical Case Reports” Pilomatricoma is a rare, benign skin tumor that requires surgical removal for best results.
June 2026 in “Indian Dermatology Online Journal” A supernumerary nipple was correctly identified using dermoscopy, avoiding misdiagnosis.
6 citations
,
January 2017 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” A rare hair follicle tumor was found on a woman's vulva.
1 citations
,
January 2013 in “Journal of the Scientific Society” A painless cheek lump was misdiagnosed but later identified as a rare benign skin lesion called pilomatrixoma.
1 citations
,
January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
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.
June 2023 in “JAAD Case Reports” A man had a rare skin cancer that looked like a bald spot.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
March 2024 in “IP Indian journal of clinical and experimental dermatology” Giant solitary trichoepithelioma is a rare, usually non-cancerous hair follicle tumor that can sometimes turn into skin cancer.
6 citations
,
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.
3 citations
,
June 2023 in “Cureus” Pilomatricomas should be considered to avoid misdiagnosis in children with unusual skin tumors.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
1 citations
,
January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.