July 2023 in “International Journal of Rheumatic Diseases” Ulcerative sarcoidosis in body folds is rare and improved with prednisone and hydroxychloroquine.
April 2026 in “American Journal of Dermatopathology” Increased blood vessel growth in lichen planopilaris may signal active disease needing aggressive treatment.
February 2026 in “Nature Communications” A specific group of immune and skin cells may cause chronic inflammation in atopic dermatitis.
April 2016 in “Journal of the American Academy of Dermatology” Dermoscopy helped correctly diagnose a skin condition that was previously misidentified as a different hair loss disease.
April 2025 in “Asian Journal of Case Reports in Surgery” Trichilemmal carcinoma is a rare skin cancer that requires careful diagnosis and follow-up.
A neck lesion misdiagnosed as benign was later treated successfully with Mohs Micrographic Surgery.
October 2024 in “Frontiers in Oncology” A new gene mutation linked to Olmsted syndrome may increase cancer risk, suggesting the need for ongoing patient monitoring.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
14 citations
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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.
1 citations
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June 2021 in “Curēus” A woman with hair loss had a benign sweat duct tumor found during a scalp biopsy.
17 citations
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July 1984 in “British journal of dermatology/British journal of dermatology, Supplement” The four patients have a unique type of ichthyosis affecting hair follicles.
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.
2 citations
,
July 2018 in “Chinese Journal of Dermatology” Sebaceous nevus changes with age, and dermoscopy and RCM are effective for diagnosis.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
1 citations
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April 2016 in “Journal of the American Academy of Dermatology” Autoimmune conditions can be linked to trichoepitheliomas, with treatment focusing on cosmetic concerns.
January 2025 in “Indian Journal of Paediatric Dermatology” Biopsy is crucial to correctly diagnose granuloma annulare, which can mimic other conditions like alopecia mucinosa.
12 citations
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November 2018 in “Archives of Dermatological Research”
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
23 citations
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January 1964 in “Archives of Dermatology” Treatment with vitamin A did not improve the child's skin condition.
November 2023 in “International Journal of Trichology” A rare form of lupus caused hair loss and skin bumps, diagnosed through biopsy, improved partially with treatment.
21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
September 2019 in “Journal of Investigative Dermatology” Scientists used stem cells to create a model of the skin disease Epidermolysis Bullosa simplex, which helped them understand its molecular mechanisms and could aid in finding treatments.
1 citations
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September 2011 in “Journal of Dermatology” A woman with a new PTCH gene mutation has both Gorlin syndrome and severe hair loss.
638 citations
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October 1997 in “Nature” 18 citations
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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.
3 citations
,
September 2016 in “Pediatric Dermatology” Hypertrichosis (excessive hair growth) can help diagnose superficial epidermolytic ichthyosis.
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
February 2026 in “Clinical Cosmetic and Investigational Dermatology” Actinic prurigo cheilitis can occur in elderly Asians and can be treated with hydrocortisone cream and sun protection.
2 citations
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June 2019 in “The Journal of Dermatology” Two cases showed skin abnormalities without bone or neural defects.