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.
February 2024 in “Acta dermato-venereologica” This type of hair loss is probably often missed and treatments reducing inflammation might work well.
8 citations
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November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
October 1991 in “Archives of Dermatology” The woman has a skin condition involving nodules, scars, and hair loss.
2 citations
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June 2009 in “Journal of the American Academy of Dermatology” The treatment didn't work for the woman's hair loss and skin darkening.
1 citations
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October 2012 in “QJM” A 47-year-old man's eyelid swelling didn't improve with basic treatments, so a biopsy was needed.
April 2026 in “American Journal of Dermatopathology” Increased blood vessel growth in lichen planopilaris may signal active disease needing aggressive treatment.
July 2023 in “International Journal of Rheumatic Diseases” Ulcerative sarcoidosis in body folds is rare and improved with prednisone and hydroxychloroquine.
37 citations
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March 1998 in “Lupus” Aggressive SLE treatment helped hair regrowth and improved oral plaque, but scalp lesions stayed.
1 citations
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January 2022 in “Journal of veterinary diagnostic investigation” A British Bulldog had a unique viral plaque caused by Canine papillomavirus 18, different from typical tumors.
1 citations
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October 2024 in “Indian Dermatology Online Journal” 21 citations
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April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
Dissecting cellulitis and folliculitis keloidalis cause intense inflammation without bacterial infection.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
18 citations
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July 2001 in “International Journal of Dermatology” A 12-year-old boy's hair loss and skin issues improved significantly with medication.
March 2022 in “Folia Medica Indonesiana” The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
Pseudopelade is likely an independent disease due to its distinct features.
4 citations
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December 2014 in “Indian Journal of Dermatology” A rare skin condition with cysts was found on a 5-year-old boy's scalp.
May 2024 in “JAAD Case Reports” A young man was diagnosed with a rare hair loss condition usually seen in older women.
186 citations
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October 1957 in “A M A Archives of Dermatology” Alopecia mucinosa is a challenging condition with unclear diagnosis and treatment.
January 2009 in “Repositório Científico do Instituto Politécnico de Viseu (Instituto Politécnico de Viseu)” The skin lesion was diagnosed as a matrical cyst with unusual features.
6 citations
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July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
January 2025 in “Dermatology Research and Practice” Higher activity in lichen planopilaris is linked to certain immune and tissue genes.
2 citations
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February 2009 in “Clinical and Experimental Dermatology” A man had rare skin tumors with bone formation and cholesterol deposits.
February 2013 in “Journal of the American Academy of Dermatology” Follicular red dots can appear where alopecia areata and vitiligo overlap.
April 2017 in “Journal of Investigative Dermatology” The study found a link between the severity of Lichen Planopilaris seen by doctors and the details seen under a microscope, and created a new way to measure this severity.
78 citations
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June 1989 in “The Journal of dermatologic surgery and oncology” Acne keloidalis is a chronic skin condition on the back of the neck in young black men, needing surgery for severe cases.
May 2014 in “Clinical and Experimental Dermatology” A 70-year-old woman with a rare skin condition improved after treatment with topical steroids and acitretin.
December 2024 in “Indian Journal of Veterinary Public Health” Argentine-cross polo ponies commonly develop sarcoid tumors with distinct types and histopathological features.
November 2024 in “Cureus” Scalp edema may be a new variant of conditions reacting to scarring alopecia like LPP.