17 citations
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January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
April 2019 in “Journal of Investigative Dermatology” Increasing COX-2 in mouse skin causes bigger sebaceous glands and thinner hair, but stopping COX-2 can reverse hair thinning.
1 citations
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January 2026 MicroRNA-200 prevents sebaceous gland development by inhibiting SOX9 and cell cycle progression.
7 citations
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January 1992 in “Acta Histochemica” Porcine and human pilosebaceous units are very similar.
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June 2019 in “The Journal of Dermatology” Two cases showed skin abnormalities without bone or neural defects.
8 citations
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July 1986 in “International Journal of Dermatology” Eruptive vellus hair cysts are harmless skin bumps that may go away on their own.
67 citations
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April 2014 in “Biochemical Journal” Ceramide synthase 4 deficiency in mice leads to hair loss due to altered sebum lipids.
101 citations
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August 2010 in “PLoS ONE” Selenoproteins are crucial for healthy skin and hair.
November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
2 citations
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May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
16 citations
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September 2019 in “Journal of biological chemistry/The Journal of biological chemistry” Mice without certain skin enzymes have faster hair growth and bigger eye glands.
14 citations
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March 2014 in “Experimental and Molecular Pathology” Sulfur mustard damages hair follicles and sebaceous glands in mice.
Men with benign prostate hyperplasia have more meibomian gland loss and tear film problems.
11 citations
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December 2014 in “The American journal of pathology” A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.
December 2021 in “Signal transduction and targeted therapy” Increasing sebum production might help reduce fat and improve metabolism.
12 citations
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January 2005 in “Pediatric Dermatology” Fox Fordyce disease might be more common in prepubertal girls than thought and can be managed with treatment.
101 citations
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June 2003 in “The EMBO Journal” Phospholipase Cδ1 is crucial for normal skin and hair development.
4 citations
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January 1982 in “Endocrinologia Japonica” Androgens regulate 5 alpha-reductase activity in hamster sebaceous glands.
3 citations
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September 2016 in “Pediatric Dermatology” Hypertrichosis (excessive hair growth) can help diagnose superficial epidermolytic ichthyosis.
4 citations
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August 2015 in “Medical Hypotheses” The conclusion suggests that the hormone ghrelin might link acid reflux to oily skin.
3 citations
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December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
June 2022 in “Indian Dermatology Online Journal” A man with total hair loss developed blackhead-like spots on his scalp, possibly because no hair was present to help drain oils.
7 citations
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March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
14 citations
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June 2005 in “PubMed” A rare ear cyst contained hair fragments.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
82 citations
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November 1985 in “Archives of Dermatology” The newborn's skin condition improved over time, leaving only lighter skin patches.
21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
1 citations
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April 2017 in “Journal of Investigative Dermatology” ZNF750 and MPZL3 are important in causing seborrheic dermatitis.