Title: Dilated Pore of Winer Mimicking Trichofolliculoma

Authors: Dr J.Harshini, Dr M.S.Srinivasan

 DOI: https://dx.doi.org/10.18535/jmscr/v8i2.98

Abstract

   

Dilated pore of Winer which was originally designated as a secondary or acquired trichoepithelioma by Winer, represents an appendageal tumor with differentiation towards follicular structures. It is clinically characterised by having the appearance of a large comedone filled with keratinous material. To the best of our knowledge, there has been no report of dilated pore with a terminal hair in the centre. We herein describe such a case.

Keywords: Dilated pore, Winer, Appendageal tumor, Trichoepithelioma

References

  1. Tellechea O, Cardoso JC, Reis JP, Ramos L, Gameiro AR, Coutinho I, Baptista AP. Benign follicular tumors. An Bras Dermatol. 2015 Nov-Dec;90(6):780-96; quiz 797-8. [PubMed: 26734858]
  2. Mittal RR, Sethi PS, Jha A. Dilated pore of Winer. Indian J Dermatol Venereol Leprol. 2002 Jul-Aug;68(4):239-40. [PubMed: 17656953]
  3. Steffen C. Winer's dilated pore: the infundibuloma. Am J Dermatopathol. 2001 Jun;23(3):246-53. [PubMed: 11391113]
  4. Morikawa T, Takizawa H, Ohnishi T, Watanabe S. Dilated pore: a case report and an immunohistochemical study of cytokeratin expression. Dermatol. 2003 Jul;30 (7):556-8. [PubMed: 12928547]
  5. WINER LH. The dilated pore, a tricho-epithelioma. Invest. Dermatol. 1954 Sep;23(3):181-8. [PubMed: 13201810]
  6. Jakobiec FA, Bhat P, Sutula F. Winer's dilated pore of the eyelid. Ophthalmic PlastReconstr Surg. 2009 Sep-Oct;25(5):411-3. [PubMed: 19966665]
  7. Benedetto AV, Benedetto EA, Griffin TD. Basal cell carcinoma presenting as a large pore. Am. Acad. Dermatol. 2002 Nov;47(5):727-32. [PubMed: 12399765]
  8. Carlson-Sweet KL, Weigand DA, MacFarlane DF. Trichoid basal cell carcinoma found in a dilated pore on the nose. Dermatol Surg. 2000 Sep;26(9):874-6. [PubMed: 10971562]
  9. Zhao L, Xu J, Fang F, Qian G, Wang Y, Wang QQ. Squamous cell carcinoma found in a dilated pore. J Eur Acad Dermatol Venereol. 2007 Feb;21(2):277-8. [PubMed: 17243983]
  10. Misago N, Sada A, Narisawa Y. Trichoblastoma with a dilated pore. Am. Acad. Dermatol. 2006 Feb;54(2):357-8. [PubMed: 16443076].

Corresponding Author

Dr J. Harshini

Junior resident, Department of Dermatology, Venereology and Leprosy, Chettinad Hospital and Research Institute, Kelambakkam