10 citations
,
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
2 citations
,
September 2018 in “JAAD case reports” A rare type of skin cancer with mucosal involvement was partially treated but eventually relapsed.
61 citations
,
February 1982 in “Cell and Tissue Research”
1 citations
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January 2016 in “Journal of cosmetology & trichology” Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.
June 2023 in “JAAD case reports” A rare scalp condition, cutis verticis gyrata, was found in a woman with primary scarring alopecia.
2 citations
,
October 2023 in “The American journal of case reports” A man developed a benign tumor at his COVID-19 vaccination site, which was successfully removed with surgery.
October 2025 in “The Sri Lanka Journal of Dermatology” Inverted follicular keratosis can look like cancer but is actually a harmless tumor.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
10 citations
,
March 1997 in “Pediatric Dermatology” A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
33 citations
,
December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
July 2024 in “LA CIENCIA AL SERVICIO DE LA SALUD Y NUTRICIÓN” The condition is harmless, doesn't worsen, and needs no invasive treatment.
January 2025 in “Indian Journal of Paediatric Dermatology” Biopsy is crucial to correctly diagnose granuloma annulare, which can mimic other conditions like alopecia mucinosa.
28 citations
,
February 2010 in “British journal of dermatology/British journal of dermatology, Supplement” WNT10A mutations cause varied symptoms in patients with odonto-onycho-dermal dysplasia.
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.
This rare genetic disorder causes permanent hair loss and skin bumps from birth.
26 citations
,
February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
9 citations
,
July 2010 in “British Journal of Dermatology” The document suggests a rare skin condition might be caused by a genetic phenomenon.
June 2001 in “European Journal of Dermatology” A 54-year-old woman experienced progressive hair loss starting in adolescence, leading to sparse scalp hair and almost no eyebrows or eyelashes.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
1 citations
,
April 2024 in “Dermatology Practical & Conceptual” Thick scalp melanoma can be hard to diagnose because it often looks like other skin conditions.
June 2022 in “Journal of the turkish academy of dermatology” People with plantar corns and calluses may have a higher chance of having metabolic syndrome.
24 citations
,
March 2008 in “Neuroscience Research” Cat paws have complex touch sensors for detailed sensory processing.
5 citations
,
January 2016 in “Indian dermatology online journal” A 25-year-old man with multiple skin tumors was successfully treated with acitretin and methotrexate.
13 citations
,
March 2016 in “Journal of Cutaneous Pathology” Some people's hair loss is caused by multiple factors, with the most common being a mix of AGA and CCCA.
32 citations
,
January 2010 in “Journal of Korean Medical Science” A rare adrenal tumor in a 14-year-old girl caused male-like symptoms and was successfully removed.
January 2025 in “JCEM Case Reports” Ovarian thecomas can cause virilization in postmenopausal women and are treated with surgery.
1 citations
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December 2019 in “American journal of ophthalmology. Case reports” A rare skin condition caused droopy and outward-turning eyelids in a patient.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
3 citations
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January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.