Pityrosporum (Malassezia) Folliculitis Versus Truncal Acne Vulgaris ( Clinical and Histopathological Study)
* Professor Dr. Khalifa E. Sharquie MD; PhD. ** Professor Dr. Khalil I. Al-Hamdi MD; DDV; FICMS. ***Assist. Professor Dr. Sawsan S. Al-Haroon MD; MSc ;FIBMS. **** Dr. Ahmed A. Al-Mohammadi MBChB.
*Chairman of Scientific Council of Dermatology &Venereology-Iraqi Board for Medical Specialization. ** The Head of Department of Dermatology & Venereology, College of MedicineUniversity of Basrah. *** The Head of Department of Histopathology, College of Medicine-University of Basrah. **** Department of Dermatology & Venereology, Basrah Teaching Hospital ,Iraq.
Address of Correspondence: Professor Dr .Khalil I. Hamdi, the Head of Department of Dermatology and Venereology, College of Medicine- University of Basrah.
Email:
[email protected].
Running title:-
Pityrosporum Folliculitis Versus Truncal Acne
Vulgaris( Clinical and Histopathological Study), khalil et al.
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Pityrosporum (Malassezia) Folliculitis Versus Truncal Acne Vulgaris( Clinical and Histopathological Study) ABSTRACT Background: It is an infection of the hair follicle, that is thought to be caused by Malassezia furfur , that commonly affects young adult ,and is often misdiagnosed as truncal acne so that traditional acne therapies, worsen Pityrosporum folliculitis(PF).
Objectives:-To shed light on different clinical, histopathological, and microbiological aspects of pityrosporum folliculitis and that of truncal acne. Patients and Methods: This is a descriptive comparative cross sectional, out patient based study, that was conducted at the Department of Dermatology and Venereology of Basrah Teaching Hospital from October 2008 to October 2009,where a total number of 113 patients with papular and/or pustular follicular skin lesions on the trunk were enrolled in this study .They were divided according to the clinical features, Wood’s light examination ,direct microscopic examination, PAS stained skin biopsy and the response to a trial of antifungal drugs; into two groups:-group1:patient with Pityrosporum folliculitis and group2: patient with truncal acne vulgaris.
Results:Group1:They were 53(46.9%) out of a total 113, 33(62.3%) males and 20(37.7%) females ,their ages ranged from 19-40 years and their age of onset ranged from 18-39years. Group2: included the remaining 60(53.1%)patients, 25(41.6%) males and 35(58.4%)females, their age ranged from 14-29years and their age of onset ranged from 11-27years.The age and age of onset was earlier in the acne group in comparison with PF group (p < 0.0001).
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The Pityrosporum folliculitis was more common among males than females ,while in truncal acne females predominated males .The center of the back was the predominant site among PF group affecting (90.6%) of patients with sparing the face, in contrast to truncal acne where the periphery of the back was involved in (91.7%) and the face in (75%) (p
