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Single trichilemmoma

MedGen UID:
868316
•Concept ID:
C4022710
•
Neoplastic Process
HPO: HP:0012845

Definition

Presence of a unitary trichilemmoma, a benign tumor originating from the outer root sheath of the hair follicle. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVSingle trichilemmoma

Recent clinical studies

Etiology

Benign follicular tumors.
Tellechea O, Cardoso JC, Reis JP, Ramos L, Gameiro AR, Coutinho I, Baptista AP
An Bras Dermatol 2015 Nov-Dec;90(6):780-96; quiz 797-8. doi: 10.1590/abd1806-4841.20154114. PMID: 26734858Free PMC Article
Predicting PTEN mutations: an evaluation of Cowden syndrome and Bannayan-Riley-Ruvalcaba syndrome clinical features.
Pilarski R, Stephens JA, Noss R, Fisher JL, Prior TW
J Med Genet 2011 Aug;48(8):505-12. Epub 2011 Jun 9 doi: 10.1136/jmg.2011.088807. PMID: 21659347

Diagnosis

Linear trichilemmoma following a blaschkoid pattern: a clinical dilemma.
Jha AK, Prasad S, Sinha R
J Eur Acad Dermatol Venereol 2016 Feb;30(2):299-301. Epub 2015 Jan 30 doi: 10.1111/jdv.12962. PMID: 25640573
Benign follicular tumors.
Tellechea O, Cardoso JC, Reis JP, Ramos L, Gameiro AR, Coutinho I, Baptista AP
An Bras Dermatol 2015 Nov-Dec;90(6):780-96; quiz 797-8. doi: 10.1590/abd1806-4841.20154114. PMID: 26734858Free PMC Article
Predicting PTEN mutations: an evaluation of Cowden syndrome and Bannayan-Riley-Ruvalcaba syndrome clinical features.
Pilarski R, Stephens JA, Noss R, Fisher JL, Prior TW
J Med Genet 2011 Aug;48(8):505-12. Epub 2011 Jun 9 doi: 10.1136/jmg.2011.088807. PMID: 21659347
Analysis of PTEN gene mutations in a Turkish patient with Cowden syndrome.
Soysal Y, Tate G, Polat C, Polat N, Aktepe F, Sivaci Y, Imirzalioglu N
Genet Test Mol Biomarkers 2009 Aug;13(4):547-51. doi: 10.1089/gtmb.2009.0043. PMID: 19604110
Novel germline mutation of the PTEN gene in a Japanese family with Cowden disease.
Harada N, Sugimura T, Yoshimura R, Motomura S, Shirahama S, Naramoto J, Chijiiwa Y, Nakamura K, Ito K, Nawata H
J Gastroenterol 2003;38(1):87-91. doi: 10.1007/s005350300012. PMID: 12560928

Prognosis

Predicting PTEN mutations: an evaluation of Cowden syndrome and Bannayan-Riley-Ruvalcaba syndrome clinical features.
Pilarski R, Stephens JA, Noss R, Fisher JL, Prior TW
J Med Genet 2011 Aug;48(8):505-12. Epub 2011 Jun 9 doi: 10.1136/jmg.2011.088807. PMID: 21659347

Clinical prediction guides

Predicting PTEN mutations: an evaluation of Cowden syndrome and Bannayan-Riley-Ruvalcaba syndrome clinical features.
Pilarski R, Stephens JA, Noss R, Fisher JL, Prior TW
J Med Genet 2011 Aug;48(8):505-12. Epub 2011 Jun 9 doi: 10.1136/jmg.2011.088807. PMID: 21659347

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