1 citations
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October 2024 in “Indian Dermatology Online Journal” PRP injections for hair loss may cause scalp nodules that can persist but often regress on their own.
January 2014 in “International Journal of Dermatology and Venereology” A man with hair loss and a scalp lump was diagnosed with a diffuse neurofibroma but chose not to have surgery.
39 citations
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July 2008 in “Dermatologic Therapy” Pseudopelade of Brocq is a unique hair loss condition, but its cause and development are still not fully understood.
13 citations
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March 2000 in “Veterinary Dermatology” Dogs have a skin condition like human pseudopelade, causing hair loss that doesn't improve with treatment.
2 citations
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June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
2 citations
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June 2022 in “Life” A 14-year-old boy is the youngest person reported with a rare, benign tumor related to hair follicles, usually found in older people.
76 citations
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October 2000 in “Journal of the American Academy of Dermatology” Follicular mucinosis can be an early sign of aggressive mycosis fungoides.
20 citations
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November 1989 in “PubMed” Accurate fungal identification is crucial for proper treatment in immunocompromised patients.
9 citations
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December 2004 in “Archives of Pathology & Laboratory Medicine” The neck mass was a rare benign "wattle," surgically removed for diagnosis and appearance.
June 2003 in “Clinical orthopaedics and related research” The man had a fungal infection in his knee, treated with surgery and antifungal medication.
November 2025 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Sporadic trichoblastic neoplasms generally don't recur or spread, with one case showing a specific genetic fusion.
January 2005 in “Journal of Cutaneous Pathology” A new benign nail tumor called onychoblastoma was identified.
2 citations
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June 2023 in “Medicine” A rare skin cancer on a man's elbow was successfully treated with surgery, showing no recurrence after one year.
3 citations
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April 2011 in “Journal of the American Academy of Dermatology” A 19-year-old man had a rare skin condition on one side of his face that looked like another skin disease.
July 2025 in “Journal of Investigative Dermatology” Upadacitinib effectively treats pyoderma gangrenosum.
November 2011 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Polyomavirus A2 infection in newborn mice caused hair follicle tumors.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
November 2022 in “Journal of the Endocrine Society” Removing the ovarian tumor improved the woman's hormonal symptoms.
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.
3 citations
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October 2013 in “International Journal of Rheumatic Diseases” A young woman with severe symptoms of CPAN improved with intensive treatment but needed a leg amputation.
January 2021 in “American journal of dermatological research and reviews” The muscle damage was caused by T-cell large granular lymphocytic leukemia, not dermatomyositis.
February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
June 2023 in “Journal of cosmetic dermatology” A woman developed skin lesions after PRP injections, possibly linked to COVID-19 infection and vaccination.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
October 2023 in “Research Review” Some skin tumors from hair follicles and glands can be linked to genetic syndromes and may be benign or malignant.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
14 citations
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June 2005 in “PubMed” A rare ear cyst contained hair fragments.
3 citations
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May 2023 in “Pediatric Dermatology” A 9-year-old boy had a rare scalp condition usually seen in young men.
October 2023 in “Nepal journal of dermatology, venereology & leprology” The document suggests doctors should watch for bone marrow suppression and severe hair loss in patients treated with Azathioprine.
12 citations
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March 2010 in “Revista iberoamericana de micología” The cat died from a hard-to-treat fungal infection despite various treatments.