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GlossaryPili Annulati

rare hair disorder with alternating light and dark bands

Pili Annulati, also known as "ringed hair," is a rare hair shaft disorder characterized by alternating light and dark bands along the hair, giving it a striped appearance. This condition is usually benign and does not affect hair growth or overall health, but it can be identified through microscopic examination of the hair shaft.

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Research

5 / 1000+ results

research Update on detection, morphology and fragility in pili annulati in three kindreds

49 citations , September 2004 in “Journal of the European Academy of Dermatology and Venereology”

Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.

research Pathogenesis of pili annulati

36 citations , July 1988 in “Archives of Dermatological Research”

Pili annulati is caused by a protein metabolism disorder affecting hair structure.

research Pili annulati with fragility: Electron microscopic findings of a case

13 citations , January 2012 in “International journal of trichology”

The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.

research Acquired Hair Fragility in Pili anulati: Causal Relationship with Androgenetic Alopecia

9 citations , January 2001 in “Dermatology”

Pili anulati may cause hair loss, proper diagnosis and treatment needed.

research Pili Annulati

7 citations , May 1988 in “International Journal of Dermatology”

The patient's hair has unique structural differences with alternating bright and dark bands.

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Community Join

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community Pili migrans? Lichen something? Seb derm?

in Female 19 upvotes 1 year ago

The conversation is about a female experiencing hair loss and seeking advice on why it's difficult to regrow hair. Specific treatments like Minoxidil, finasteride, or RU58841 are not mentioned.

community Oral Minoxidil - Multiple Facial Hair in One Follicle / Pili Multigemini Question

in Minoxidil 117 upvotes 8 months ago

Oral minoxidil can cause multiple facial hairs to grow from one follicle, known as Pili Multigemini, leading to ingrown hairs and zits. Users report increased facial and body hair growth, with some experiencing fewer issues after switching to dutasteride.

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