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Ringed Hair Disease
Ringed hair disease

Presentation

Case Presentation A 12-year-old boy presented with a band of red hair over the interparietal region that was present since birth and had become more obvious over the years ( Figure 1A ). The rest of his scalp hair, eyebrows and eyelashes were brown. [dpcj.org]

Conclusions The present results suggest that the microcanaliculi of the hair surface, easily found with scanning electron microscopy, may be secondary not only to the cavities seen in the sections but also to the disorder of proteins that form this region [anaisdedermatologia.org.br]

Homepage Rare diseases Search Search for a rare disease Disease definition A rare isolated, benign hair shaft abnormality, usually presenting after the age of 2 and affecting the hair of the scalp or, very rarely, beard, axillary, or pubic hair. [orpha.net]

This particular condition mainly involves around 20 to 80% of the hair that are present on the scalp, though it can also involve hair present on the face and the whole body. Hair, which get affected might be prone towards getting broken. [lybrate.com]

This activity illustrates the various presentations and reviews the evaluation and management of pili annulati. [ncbi.nlm.nih.gov]

Skin

  • Alopecia

    We report the case of a patient with a history of alopecia areata and alopecia universalis who developed the characteristic banded hair of pili annulati upon resolution of her alopecia areata. [mdedge.com]

    Statistical analysis showed that the frequency of alopecia areata among patients with pili annulati was higher than within the general population. Five of our patients with pili annulati have gone through severe episodes of alopecia areata. [medicaljournals.se]

    An association with alopecia areata has been reported. We present a 13-year-old girl who had alopecia areata and coincidentally was found to have pili annulati. [scienceopen.com]

    Pili annulati coincident with alopecia areata. Pediatr Dermatol. 1998;15:271–3. 7 Chabchoub I, Souissi A. Pili Annulati. In: In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022. [scielo.br]

    Case Rep Dermatol 4:250-255 Cruz AP et al(2012) The appearance of pili annulati following alopecia areata. Cutis. 89:145-147 Hofbauer GF al. (2001) Acquired hair fragility in pili annulati: causal relationship with androgenetic alopecia. [altmeyers.org]

  • Leukonychia

    External links[edit] Hair Transplant Classification D ICD-10: Q84.1 (ILDS Q84.110) ICD-9-CM: 757.4 MeSH: C537187 v t e Congenital malformations and deformations of skin appendages Nail disease Anonychia Leukonychia Pachyonychia congenita/Onychauxis Koilonychia [en.wikipedia.org]

    A few conditions have been previously associated with PA, including alopecia areata, blue nevi, leukonychia, melanoderma, syndactyly, and polydactylism [6]. [escholarship.org]

    Template:SIB v t e Congenital malformations and deformations of skin appendages (Q84, 757.4-757.5) Nail disease Anonychia · Leukonychia · Pachyonychia congenita/Onychauxis · Koilonychia Hair disease keratin disease (Monilethrix) · Sabinas brittle hair [wikidoc.org]

    […] malformation of breast, unspecified Q84 Other congenital malformations of integument Q84.0 Congenital alopecia Q84.1 Congenital morphological disturbances of hair, not elsewhere classified Q84.2 Other congenital malformations of hair Q84.4 Congenital leukonychia [icd10data.com]

Urogenital

  • Phenylketonuria

    […] inflammatory conditions damaging the melanocyte (vitiligo, halo nevus, regrowth in alopecia areata, herpes zoster, radiation), tumors (congenital melanocytic nevus), metabolic/nutritional defects (severe iron deficiency, vitamin B12 deficiency, kwashiorkor, phenylketonuria [dpcj.org]

Workup

For a full discussion of associated systemic disorders, see related chapters for information including workup and management. [clinicaladvisor.com]

Microbiology

  • Candida

    One possible side effect is thrush (infection of the mouth and throat by a fungus, candida ), which is relatively easy to treat. [medicinenet.com]

Treatment

Some of the methods of Ayurvedic treatment include: Herbal hair care shampoos can come to great use and be very effective in treating this problem of ringed hair or Pili Annulati. [lybrate.com]

These dermoscopic structures will be discussed, focusing on the dermoscopic morphologies and dermoscopic sensitivity for diagnosis and its utility in monitoring treatment progress. [typeset.io]

softening the hair with conditioners and moisturizersTREATMENT: softening the hair with conditioners and moisturizers 6 Disorders of the Hair MonilethrixMonilethrix –Beaded hair –Breaks between the beads or nodes –TREATMENT: scalp & hair conditioning [slideplayer.com]

Prognosis

Prognosis - Pili annulati The \'prognosis\' of Pili annulati usually refers to the likely outcome of Pili annulati. [checkorphan.org]

Prognosis and Management of Congenital Hair Shaft Disorders without Fragility-Part II. Pediatr Dermatol. 2016 Sep;33(5):481-7. - PubMed Theodosiou G, Hamnerius N, Svensson Å. [pubmed.ncbi.nlm.nih.gov]

Trichoscopy easily establishes the diagnosis as it shows twisted hairs without white bands.[3][6][8] Prognosis The prognosis of pili annulati is excellent as it is a benign condition that doesn’t affect the quality of life of affected patients.[2] It [ncbi.nlm.nih.gov]

Etiology

Skin > Hair fetal hair implantation anomalies 15 November 2006 See also fetal anomalies fetal hair anomalies fetal hair anomalies 15 November 2006 Types fetal hair implantation anomalies See also fetal anomalies low hair implantation 15 November 2006 Etiology [humpath.com]

–Pathophysiology: The cuticle is damaged, as a result the inner fibrils of the cortex are exposed Congenital hair shaft disorders without increased fragility Uncombable hair syndrome: AD or sporadic: –Etiology: The molecular basis of the disorder/etiology [clinicaladvisor.com]

Etiology Inheritance of pili annulati is via an autosomal dominant pattern with variable expression. [ncbi.nlm.nih.gov]

Epidemiology

Sections Continuing Education Activity Introduction Etiology Epidemiology Pathophysiology History and Physical Evaluation Treatment / Management Differential Diagnosis Prognosis Enhancing Healthcare Team Outcomes Review Questions References Similar articles [pubmed.ncbi.nlm.nih.gov]

Epidemiology The prevalence of pili annulati is currently unknown. It is presumed to be a rare hair shaft disorder. [ncbi.nlm.nih.gov]

Pathophysiology

–Pathophysiology: nucleotide excision repair defect. The pathophysiologic changes in the hair that lead to the characteristic hair shaft changes are not fully understood. [clinicaladvisor.com]

Pathophysiology Hair in pili annulati has a characteristic shiny and speckled appearance with alternating light and dark bands. [ncbi.nlm.nih.gov]

Prevention

How can Pili Annulati be Prevented? Currently, Pili Annulati may not be preventable since it is a genetic disorder. [dovemed.com]

[…] segments, the latter due to air cavities within the cortex. pili annulati Etymology: L, pilus, hair + annulus ring a condition in which the individual hairs appear to be marked by alternating bands of white as a result of some barrier in the hair that prevents [medical-dictionary.thefreedictionary.com]

Medicated shampoos can lead to re-growth of hair and hence prevent hair loss. [lybrate.com]

Centers for Disease Control and Prevention: "Lyme Disease Treatment." Centers for Disease Control and Prevention: "Preventing Tick Bites." Centers for Disease Control and Prevention: "Signs and Symptoms of Lyme Disease." [onhealth.com]

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