April 2018 in “Journal of Investigative Dermatology” Mutations in Far2 mice cause hair loss due to sebaceous gland issues.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
January 2026 in “Annals of Pathology and Laboratory Medicine” Accurate diagnosis of rare pilomatrix carcinoma is crucial for effective treatment.
May 2017 in “The journal of immunology/The Journal of immunology” Patients with certain FoxN1 gene mutations have severe immune issues but normal skin and hair.
2 citations
,
January 2019 in “Dermatologic Surgery” October 2025 in “The Sri Lanka Journal of Dermatology” Inverted follicular keratosis can look like cancer but is actually a harmless tumor.
3 citations
,
January 2004 in “Journal of Wildlife Diseases” A deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
7 citations
,
January 2013 in “Hormone Research in Paediatrics” Ectopic adrenal rests can cause androgen excess after adrenalectomy and may need targeted surgery.
2 citations
,
November 2023 in “Skin Appendage Disorders” Lipedematous scalp may have a genetic link and could be associated with psychiatric conditions.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin organoids with NCSTN mutation show changes in hair follicle development and higher inflammation, key features of Hidradenitis Suppurativa.
103 citations
,
March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
8 citations
,
August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.
3 citations
,
November 2015 in “Endocrinology, Diabetes & Metabolism Case Reports” Ring Chromosome 11 may be linked to conditions like early puberty, excessive hair growth, hair loss, and type 2 diabetes.
26 citations
,
February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
February 2024 in “Cureus” Pilomatrixoma should be considered for nodular lesions in adults.
January 2004 in “Molecular biotechnology” August 2024 in “Postgraduate Medical Journal” A rare skin reaction from cancer treatment was successfully managed with topical treatments and antihistamines.
January 1962 in “Archives of Dermatology” A 5-year-old girl has lipoid proteinosis, causing voice issues, hair thinning, skin lesions, and tongue movement problems.
14 citations
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August 2006 in “Clinical and Experimental Dermatology” A girl with no hair neglect developed plica neuropathica in the hospital, lost all her hair, but it grew back.
2 citations
,
October 2023 in “Skin Health and Disease” Alopecia neoplastica is hair loss from breast cancer spreading to the scalp.
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.
October 2025 in “EMJ Dermatology” Histopathology is crucial for accurately diagnosing eruptive vellus hair cysts.
This rare genetic disorder causes permanent hair loss and skin bumps from birth.
6 citations
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August 2024 in “Aesthetic Plastic Surgery” Recipient site necrosis is a rare but serious complication of hair transplants, often linked to smoking, diabetes, and hypertension.
Traumatic anserine folliculosis is a harmless skin condition in young males that needs correct diagnosis to avoid unnecessary treatments.
3 citations
,
August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
12 citations
,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
5 citations
,
January 2021 in “Frontiers in cell and developmental biology” Skin cysts might help advance stem cell treatments to repair skin.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
April 2019 in “Journal of the Endocrine Society” Middle-aged men with unusual hot flashes should be checked for pituitary tumors.