Pili annulati
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| Pili annulati | |
|---|---|
| Other names: Ringed hair[1] | |
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| Pili annulati | |
 | |
| Specialty | Dermatology |
| Symptoms | Alternating segments of light and dark color in hair[1] |
| Complications | None[1] |
| Usual onset | Young children[1] |
| Causes | Hereditary[1] |
| Diagnostic method | Microscopy[1] |
| Treatment | None required[1] |
Pili annulati, also known as spangled hair, is hair that seems ‘banded‘ by alternating segments of light and dark color when seen in reflected light.[1][2] It is first noticed in young children.[1]
It is inherited and not associated with other diseases.[1] Diagnosis is by its appearance and microscopy, and no treatment is required.[1]
It was first reported in 1920.[3]
Features
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Pili annulati (appearance)
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Pili annulati (microscopy)
See also
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "33. Diseases of the skin appendages". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. p. 765. ISBN 978-0-323-54753-6.
- ↑ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 978-1-4160-2999-1.
- ↑ "Ringed hair". Online Mendelian Inheritance in Man. Archived from the original on 2015-09-24. Retrieved 2021-11-22.
External links
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