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.
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
13 citations
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December 2010 in “Archives of Dermatology” Minoxidil use can cause trichostasis spinulosa in long-term hair loss patients.
July 2025 in “Journal of Dermatology Research Reviews & Reports” A 10-year-old girl with hair and eyelash loss showed significant regrowth after treatment.
May 2024 in “JAAD Case Reports” A young man was diagnosed with a rare hair loss condition usually seen in older women.
December 1972 in “Archives of Dermatology” The girl has an inflammatory type of scarring hair loss.
87 citations
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October 1987 in “Journal of Investigative Dermatology” January 1996 in “대한피부과학회지” High Demodex mite density may be linked to sebaceous hyperplasia.
1 citations
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January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
6 citations
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November 2017 in “Journal of the European Academy of Dermatology and Venereology” A woman got melanoma on her scalp after anti-hair loss treatment with injections.
32 citations
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April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
3 citations
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November 2005 in “British Journal of Dermatology” A man with alopecia universalis regrew hair temporarily after a bone treatment.
2 citations
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March 2018 in “BMJ Case Reports” Check hormone levels in older women to find hidden conditions like certain tumors.
26 citations
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August 2019 in “Stem Cell Research & Therapy” PBX1 helps hair stem cells grow and change by turning on certain cell signals and preventing cell death, which may be useful for hair regrowth treatments.
January 2024 in “Revista del Centro Dermatológico Pascua” Avoiding damage and using specific shampoo and supplements improved the hair condition.
November 2019 in “British Journal of Dermatology” FOL-005 peptide may help treat excessive hair growth safely.
December 2022 in “The journal of pediatrics/The Journal of pediatrics” A young girl's foot lesion was actually a rare condition caused by a hair fragment under the skin, not a parasite.
January 2026 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” A 5-year-old boy has Nevus Comedonicus Syndrome, causing skin lesions and a cataract.
26 citations
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April 2007 in “Journal of pediatric gastroenterology and nutrition” A teenage girl with high androgen levels and PCOS developed a rare liver tumor, suggesting a possible link between high androgens and the tumor's growth.
13 citations
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January 1995 in “Postgraduate medicine” Excessive hair growth in women can be harmless or signal serious health issues, and treatment often includes medication and hair removal, with noticeable results after 3-6 months.
28 citations
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January 2017 in “Indian Dermatology Online Journal” Skin problems like acne, excessive hair growth, and oily skin are common in women with PCOS and can help with early diagnosis.
26 citations
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June 2004 in “Clinical Genetics” The keratin 5 mutation in a family with epidermolysis bullosa simplex was due to mosaicism, not a new mutation.
13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
6 citations
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July 2013 in “Archives of Plastic Surgery” Using thigh skin, doctors successfully rebuilt a woman's scalp after removing a large tumor, with no tumor return after 8 months.
44 citations
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July 2013 in “Journal of the American Academy of Dermatology” Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.
31 citations
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January 2014 in “International Journal of Trichology” The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.
7 citations
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April 2000 in “Archives of Pathology & Laboratory Medicine”
January 2025 in “BMJ Case Reports” Precocious puberty can signal familial adenomatous polyposis.
3 citations
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January 2017 in “Gynecological endocrinology” A postmenopausal woman's excess male hormone symptoms were caused by a rare adrenal gland tissue in her ovary.
20 citations
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September 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” MMP-9 is essential for proper hair canal formation.