August 2020 in “International Journal of Research in Dermatology” Clouston's syndrome is a rare disorder affecting nails, hair, teeth, and skin, caused by a gene mutation, and currently has no treatment, only supportive care.
19 citations
,
April 2016 in “Case Reports in Dermatology” Nilotinib can cause keratosis pilaris, a skin condition.
12 citations
,
March 2021 in “JAAD Case Reports” Nail changes from immunotherapy can be managed without stopping cancer treatment.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
84 citations
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October 2005 in “Annals of Clinical Psychiatry” Hairpulling, skin picking, and nail biting cause significant harm and need more research for better treatments.
April 2023 in “Indian journal of paediatric dermatology” Early diagnosis and treatment of nail lichen planus in children can prevent permanent nail damage.
February 2026 in “Indian Journal of Dermatology” Upadacitinib may effectively treat twenty-nail dystrophy without causing pain.
36 citations
,
December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
6 citations
,
April 2013 in “International Journal of Dermatology” Dermoscopy helps diagnose unusual skin lesions like osteonevus of Nanta and can prevent misdiagnosis of serious conditions.
5 citations
,
January 2017 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Porokeratotic eccrine and hair follicle nevus is a very rare skin disorder possibly caused by a GJB2 gene mutation.
68 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
3 citations
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November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
May 2015 in “Journal of The American Academy of Dermatology” The Nd:YAG laser is a successful and safe way to treat ingrown and pincer nails.
375 citations
,
June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
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.
5 citations
,
September 1989 in “Journal of The American Academy of Dermatology” Talc in street cocaine can cause immune-reactive skin nodules where injected.
1 citations
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April 2011 in “Clinical Kidney Journal” A benign skin tumor grew quickly in a dialysis patient and was surgically removed.
December 2025 in “Portuguese Journal of Dermatology and Venereology” Erosive palmoplantar lichen planus in North-East India mainly affects the feet and often involves nails, with unique inflammatory skin changes.
February 2026 in “JEADV Clinical Practice” Nail pitting in kids can be harmless or indicate other health issues, so thorough evaluation is crucial.
June 2025 in “British Journal of Dermatology” Consider amyloidosis in patients with specific nail changes and check for systemic issues.
7 citations
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January 2020 in “Dermatology online journal” An adult with a rare skin condition improved with tazarotene treatment.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
17 citations
,
January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
April 2019 in “Journal of Investigative Dermatology” Surgery and antifungal medication are effective for treating Merkel cell carcinoma with fungal infection.
Patients with graft-versus-host disease often have nail changes related to the nail matrix, with severity not linked to skin condition.
June 2025 in “British Journal of Dermatology” Better diagnostic and treatment strategies are needed for acne keloidalis nuchae, especially in high-risk groups.
December 2025 in “Cureus” Avoiding friction and using topical treatments can significantly improve rough skin caused by repeated rubbing.
1 citations
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January 2009 A 25-year-old Malay fireman had skin bumps on his neck that were removed successfully after other treatments failed.
6 citations
,
September 2021 in “Experimental Brain Research” Rats have different touch receptors in their paws that help with movement and handling objects.