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Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis

BACKGROUND: Among the various types of folliculitis, differentiation of Malassezia folliculitis (MF) from other forms of folliculitis is important because it is usually treated with antifungal agents. OBJECTIVE: We attempted to find a method to enhance the detection rate of MF, and examined the diff...

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Autores principales: Song, Hyo Sang, Kim, Sue Kyung, Kim, You Chan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Dermatological Association; The Korean Society for Investigative Dermatology 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4198587/
https://www.ncbi.nlm.nih.gov/pubmed/25324652
http://dx.doi.org/10.5021/ad.2014.26.5.598
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author Song, Hyo Sang
Kim, Sue Kyung
Kim, You Chan
author_facet Song, Hyo Sang
Kim, Sue Kyung
Kim, You Chan
author_sort Song, Hyo Sang
collection PubMed
description BACKGROUND: Among the various types of folliculitis, differentiation of Malassezia folliculitis (MF) from other forms of folliculitis is important because it is usually treated with antifungal agents. OBJECTIVE: We attempted to find a method to enhance the detection rate of MF, and examined the differences in the clinical manifestation between MF and non-MF (NMF). METHODS: We performed a retrospective study involving patients with folliculitis who were previously diagnosed with MF or NMF on the basis of serial tissue sectioning and diastase-Periodic acid-Schiff (d-PAS) staining findings. The clinical features of MF and NMF were compared. RESULTS: Among a total of 100 folliculitis patients, 20 were diagnosed with MF and 80 with NMF. Tissues from the 80 patients with NMF were sectioned serially into 10 slices and stained with hematoxylin and eosin stain; among these, 10 had many round-to-oval yeast organisms in the hair follicles that confirmed MF. Finally, d-PAS staining was used to detect the presence of yeast in the NMF slides. Notably, among the 70 d-PAS-stained samples, yeast organisms were found in 6 samples, confirming MF. As a result, the diagnosis of 16 patients changed from NMF to MF. Compared with NMF, MF showed major involvement of the trunk and low involvement of the face and legs as well as male predilection. CONCLUSION: Physicians should consider serial sectioning and/or d-PAS staining of folliculitis lesions, particularly of those on the trunk of male patients, even if no yeast organisms are detected initially.
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spelling pubmed-41985872014-10-16 Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis Song, Hyo Sang Kim, Sue Kyung Kim, You Chan Ann Dermatol Original Article BACKGROUND: Among the various types of folliculitis, differentiation of Malassezia folliculitis (MF) from other forms of folliculitis is important because it is usually treated with antifungal agents. OBJECTIVE: We attempted to find a method to enhance the detection rate of MF, and examined the differences in the clinical manifestation between MF and non-MF (NMF). METHODS: We performed a retrospective study involving patients with folliculitis who were previously diagnosed with MF or NMF on the basis of serial tissue sectioning and diastase-Periodic acid-Schiff (d-PAS) staining findings. The clinical features of MF and NMF were compared. RESULTS: Among a total of 100 folliculitis patients, 20 were diagnosed with MF and 80 with NMF. Tissues from the 80 patients with NMF were sectioned serially into 10 slices and stained with hematoxylin and eosin stain; among these, 10 had many round-to-oval yeast organisms in the hair follicles that confirmed MF. Finally, d-PAS staining was used to detect the presence of yeast in the NMF slides. Notably, among the 70 d-PAS-stained samples, yeast organisms were found in 6 samples, confirming MF. As a result, the diagnosis of 16 patients changed from NMF to MF. Compared with NMF, MF showed major involvement of the trunk and low involvement of the face and legs as well as male predilection. CONCLUSION: Physicians should consider serial sectioning and/or d-PAS staining of folliculitis lesions, particularly of those on the trunk of male patients, even if no yeast organisms are detected initially. Korean Dermatological Association; The Korean Society for Investigative Dermatology 2014-10 2014-09-26 /pmc/articles/PMC4198587/ /pubmed/25324652 http://dx.doi.org/10.5021/ad.2014.26.5.598 Text en Copyright © 2014 The Korean Dermatological Association and The Korean Society for Investigative Dermatology http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Song, Hyo Sang
Kim, Sue Kyung
Kim, You Chan
Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis
title Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis
title_full Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis
title_fullStr Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis
title_full_unstemmed Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis
title_short Comparison between Malassezia Folliculitis and Non-Malassezia Folliculitis
title_sort comparison between malassezia folliculitis and non-malassezia folliculitis
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4198587/
https://www.ncbi.nlm.nih.gov/pubmed/25324652
http://dx.doi.org/10.5021/ad.2014.26.5.598
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