December 2025 in “Anatomy (International Journal of Experimental and Clinical Anatomy)” Palmaris longus muscle absence is uncommon and not linked to gender, hand side, or finger ratio.
88 citations
,
June 2000 in “Journal of Investigative Dermatology” Keratin 17 is important for hair and nail structure and affects pachyonychia congenita symptoms.
41 citations
,
May 2024 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” The guideline recommends using specific drugs and surgery together for treating hidradenitis suppurativa effectively.
1 citations
,
May 2019 in “Veterinarski arhiv” The yeast found in a sea lion's skin lesion was almost identical to that on healthy skin, suggesting environmental factors may affect fungal growth and the cause of the lesion is unclear.
1 citations
,
December 1997 in “The British Journal of Psychiatry” May 2025 in “JEADV Clinical Practice” The cream effectively treats scalp psoriasis, improving symptoms and quality of life, with high patient satisfaction.
February 2026 in “Pediatric Dermatology” 1 citations
,
August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
4 citations
,
February 2018 in “Annales de Dermatologie et de Vénéréologie” Onychomatricome is a benign nail tumor with specific dermoscopic features that help distinguish it from cancer.
November 2024 in “Journal of Investigative Dermatology” Genetic defects in the Wnt/PCP pathway may cause congenital yellow nail syndrome.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
1 citations
,
December 2016 in “Revista română de medicină de laborator” The NIPAL4 mutation c.527C>A is common in Romanian patients with autosomal recessive congenital ichthyosis.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
4 citations
,
October 2015 in “JAAD Case Reports” Surgical grafting may fix nail issues caused by valproic acid.
7 citations
,
September 2011 in “International Journal of Dermatology” The Korean study found that twenty-nail dystrophy mainly affects adults, more often women, and has five distinct types with different clinical progressions.
18 citations
,
April 2016 in “American Journal of Dermatopathology” Larger nail cavity sizes suggest benign tumors, while smaller ones may need further biopsy to rule out cancer.
September 2024 in “Journal of the American Academy of Dermatology” August 2021 in “Indian dermatology online journal” A young boy with a rare skin and nail condition improved significantly with simple topical treatments.
13 citations
,
April 2009 in “Journal der Deutschen Dermatologischen Gesellschaft” Nail disorders not caused by infection are common and can look similar, with psoriasis being the most frequent and having specific nail symptoms.
9 citations
,
August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
17 citations
,
September 2010 in “Pediatric dermatology” A 15-year-old with KID syndrome developed a rare skin condition called PEHFN.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
28 citations
,
January 2015 in “Journal of Cell Science” PINCH-1 is crucial for skin cell adhesion and movement, working with EPLIN and ILK.
A rare genetic mutation causes severe immune issues, hair loss, and nail problems.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” New RIPK4 gene mutations were found to cause a type of skin and limb birth defect.
1 citations
,
January 2018 in “Journal of clinical & experimental dermatology research” Some nail changes in chilblains can look like lichen planus and may be severe and long-lasting.
15 citations
,
March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
14 citations
,
February 2007 in “The Journal of Bone and Joint Surgery” A baby's toe was saved from serious damage by quickly removing a hair wrapped tightly around it.
April 2023 in “Journal of Investigative Dermatology” Long-term Imiquimod treatment causes initial skin inflammation that lessens over time, and topical corticosteroids reduce this inflammation and cytokines in a mouse model of psoriasis.