Disseminate and Recurrent Infundibular Folliculitis Workup
- Author: Stephen W White, MD; Chief Editor: Dirk M Elston, MD more...
Laboratory Studies
In the workup of suspected disseminate and recurrent infundibular folliculitis (DRIF), patch testing or a potassium hydroxide wet mount may be performed to investigate possible allergic contact dermatitis or Pityrosporum folliculitis.
Procedures
A biopsy is not diagnostic in disseminate and recurrent infundibular folliculitis.
Histologic Findings
Histologic examination reveals superficial spongiotic dermatitis associated with a hair follicle and the adjacent epidermis superficially; this finding is not specific. Exocytosis is noted into the spongiotic area. The subadjacent dermis has inflammatory cells, and the deeper dermis is uninvolved.
Hitch JM, Lund HZ. Disseminate and recurrent infundibulo-folliculitis: report of a case. Arch Dermatol. Apr 1968;97(4):432-5. [Medline].
Barriere H, Litoux P, Bureau B, Stalder JF. [Disseminate and recurrent infundibulo-folliculitis (Hitch and Lund)]. Ann Dermatol Venereol. Apr 1980;107(4):299-302. [Medline].
Hinds GA, Heald PW. A case of disseminate and recurrent infundibulofolliculitis responsive to treatment with topical steroids. Dermatol Online J. Nov 15 2008;14(11):11. [Medline].
Ravikumar BC, Balachandran C, Shenoi SD, Sabitha L, Ramnarayan K. Disseminate and recurrent infundibulofolliculitis: response to psoralen plus UVA therapy. Int J Dermatol. Jan 1999;38(1):75-6. [Medline].
Aroni K, Grapsa A, Agapitos E. Disseminate and recurrent infundibulofolliculitis: response to isotretinoin. J Drugs Dermatol. Jul-Aug 2004;3(4):434-5. [Medline].
Owen WR, Wood C. Disseminate and recurrent infundibulofolliculitis. Arch Dermatol. Feb 1979;115(2):174-5. [Medline].
El Shabrawi-Caelen L, Soyer HP. Clinical Pathologic Challenge: Patchy pityriasiform lichenoid eczema. Am J Dermatopathol. Jun 2005;27(3):216, 258.
White SW, Rodman OG. Disseminate and recurrent infundibulofolliculitis. J Assoc Military Dermatol. 1981;22-23.

