30 citations
,
June 2015 in “Dermatologic Surgery” Ultrasound shows 80% of Hidradenitis Suppurativa patients have abnormal hair tracts that may worsen the condition.
86 citations
,
December 2001 in “Experimental dermatology” Mutant mice help researchers understand hair growth and related genetic factors.
17 citations
,
December 2009 in “Journal of Pediatric Orthopaedics” Two babies needed surgery to remove hair tightly wrapped around their toes to prevent serious injury.
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.
January 2024 in “Skin Appendage Disorders”
11 citations
,
November 2005 in “The Journal of Dermatology” A man's crushed thumb caused unusual horizontal nail ridges on all fingers of one hand.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
4 citations
,
January 2015 in “Dermatology Online Journal” Smoking can cause yellowing of upper lip hair.
32 citations
,
May 1986 in “Archives of Dermatology” The condition is likely inherited in an autosomal-dominant pattern.
June 2024 in “British Journal of Dermatology” A rare case of a transplant patient developing a skin condition linked to HPV-49.
5 citations
,
February 1981 in “Experientia” A new gene causes hairlessness and skin cysts in rats.
13 citations
,
June 2011 in “PubMed” The patient improved significantly after treatment, with only one small scar remaining.
4 citations
,
February 2011 in “Dermatology reports” Acitretin can cause excess tissue growth and hair loss.
21 citations
,
October 1980 in “Gastroenterology” The report described a unique case of Cronkhite-Canada syndrome with unusual polyps and an association with multiple myeloma.
November 2022 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone and excess hair in a woman, which was resolved after tumor removal.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
60 citations
,
August 2008 in “Human molecular genetics online/Human molecular genetics” A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.
2 citations
,
July 2022 in “Cureus” Recurrent pneumothorax can occur in Sjogren's syndrome, even without common markers.
January 2017 in “Enlighten: Publications (The University of Glasgow)” Activating β-catenin and inactivating PTEN cause follicular tumors, not papillomas, similar to those in Cowden’s Disease.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
7 citations
,
October 2017 in “Journal of exotic pet medicine” A guinea pig with ovarian cysts had a uterine infection and abnormal uterus lining due to a piece of hay inside it.
October 2024 in “Journal of the Endocrine Society” Ayme-Gripp Syndrome was confirmed in a woman through genetic testing, highlighting the need to consider rare genetic conditions in diagnoses.
7 citations
,
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.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
December 2021 in “Molecular genetics and genomics” Cats with abnormal hair had DSG4 gene changes causing hair problems.
October 2024 in “Journal of the Endocrine Society” A rare genetic mutation causes resistance to vitamin D, leading to severe rickets and requiring high doses of calcium and vitamin D for treatment.
7 citations
,
February 2002 in “Veterinary Dermatology” Intracorneal vacuoles are common in parakeratotic skin diseases in dogs, especially with more parakeratosis.
1 citations
,
December 2018 in “Journal of genetic medicine” A small change in the TRPS1 gene leads to a less severe form of a syndrome affecting hair, nose, and finger development.
1 citations
,
April 2011 in “Clinical Kidney Journal” A benign skin tumor grew quickly in a dialysis patient and was surgically removed.
August 2022 in “Frontiers in genetics” A new genetic change in the DSC3 gene is linked to a rare condition causing hair loss and skin blisters in a child.