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.
April 2023 in “Journal of Investigative Dermatology” An elderly woman's upper lip lump, thought to be a mucocele, was actually a rare type of lymphoma usually found on legs, treated successfully with chemotherapy and radiation.
6 citations
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August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
1 citations
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September 2015 in “Serbian Journal of Dermatology and Venereology/Serbian Journal of Dermatology and Venerology” A 19-year-old male had two rare skin conditions causing scarring and permanent hair loss.
January 2024 in “Archives of pathology & laboratory medicine” New findings may help diagnose and understand scarring alopecia better.
8 citations
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February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” Alopecia areata is a hair loss condition that often starts before age 30 and can affect various body parts, with unpredictable hair regrowth chances.
December 2023 in “JEADV Clinical Practice” Brownish halos around axillary hair can help diagnose frontal fibrosing alopecia.
January 2015 in “Hair transplant forum international” Up to 10% of hair loss patients might have early signs of a condition called Lichen Planopilaris.
June 2023 in “Dermatopathology” A woman had a unique skin growth with hair follicle, oil glands, fat cells, spindle cells, and nerve fibers.
November 2023 in “Journal of Investigative Dermatology” Removing GRK2 in skin cells causes hair loss similar to immune-related alopecia.
1 citations
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July 2018 in “Journal of The American Academy of Dermatology” Sebaceous glands are often preserved and PPARy expression is constant in some cases of Central Centrifugal Cicatricial Alopecia.
June 2024 in “Indian Journal of Veterinary Medicine” The young goat had anaplasmosis and copper deficiency.
6 citations
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
18 citations
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December 2010 in “Transplantation Proceedings” Black hairy tongue can be an early sign of graft-versus-host disease after stem cell transplants.
September 2022 in “Anais Brasileiros de Dermatologia” Dermoscopy helped diagnose a rare skin disease which slightly improved with treatment.
9 citations
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November 1993 in “Journal of The American Academy of Dermatology” Some men can have female pattern baldness without hormonal abnormalities or signs of feminization.
30 citations
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October 2013 in “Lupus” Hair loss in lupus is different from hair loss in alopecia areata and may indicate lupus activity.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
September 2025 in “Dermatology Online Journal” Biopsy is crucial for diagnosing unusual hair loss causes like lymphoma.
March 2020 in “Clinical research in dermatology” Two unusual cases showed that Lichen Planopilaris can look like other skin conditions and need early treatment to protect hair.
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.
7 citations
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July 2017 in “The Journal of Dermatology” Hair loss can occur when pemphigus foliaceus changes to pemphigus vulgaris.
7 citations
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June 2017 in “Journal of Cutaneous Pathology” Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
4 citations
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November 2020 in “Case reports in dermatology” A rare skin condition causes red, dark, bumpy facial lesions.
August 2021 in “Journal of Investigative Dermatology” ILC1-like cells can cause alopecia areata by disrupting hair follicle immunity, suggesting a new treatment approach.
December 2015 in “European Journal of Pediatric Dermatology” Newborns can experience temporary hair loss in bands, unrelated to sleeping position.
8 citations
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January 2013 in “Australasian journal of dermatology” Trichodysplasia spinulosa is a rare skin condition caused by a virus, treatable with antiviral medication.
4 citations
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July 2014 in “The Journal of Dermatology” Plaque-type herpetic folliculitis affects eccrine glands.
4 citations
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September 2017 in “Skin appendage disorders” The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.