Document Detail


Histopathological changes seen in mycosis fungoides patients after phototherapy.
MedLine Citation:
PMID:  20098299     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Early stage (IA, IB, IIA) mycosis fungoides (MF) has long been treated with various agents including oral psoralen plus UVA (PUVA), broadband and narrowband. The histopathological changes seen after phototherapy have not been clearly described. Twenty-three skin biopsy specimens of MF patients treated with phototherapy both UVA and UVB were evaluated before and 3 months after phototherapy. The clinical and histomorphological response were evaluated. Various types of epidermotropism: such as single cells, haloed cells, linearly arranged single cells, pagetoid spread, and Pautrier microabscesses were noted. Stratum corneum was classified as normal, hyperkeratotic, and parakeratotic. The epidermal thickness was noted as normal, atrophic, and hypertrophic. Spongiotic microvesiculation, presence of dilated dermal vessels, was investigated. Papillary dermis fibrosis, the presence of plasma cells, eosinophils, and extravasated erythrocytes were also examined. Epidermal hyperplasia, dermal fibrosis, loss of parakeratotic pattern, and inflammatory infiltrate were frequently observed after therapy. After phototherapy, the atypical cells rarely formed "Pautrier microabscess" or made a "linear pattern" at the base of epidermis. The cells other than lymphocytes (plasma cells, eosinophils, and erythrocytes) should also be considered regarding the phototherapy effect. A pathology report of a MF patient who has undergone successful phototherapy would describe changes resulting from phototherapy-such as fibrosis or "lack of dermal inflammation" and the absence of active epidermal cellular changes such as "Pautrier microabscess" or "linearly arranged cells."
Authors:
Duygu Dusmez Apa; Ebru Serinsoz Pfeiffer; Kiymet Baz; Emine Arzu Kanik; Pinar Inandioğlu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American Journal of dermatopathology     Volume:  32     ISSN:  1533-0311     ISO Abbreviation:  Am J Dermatopathol     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-04-26     Completed Date:  2010-07-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7911005     Medline TA:  Am J Dermatopathol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  276-80     Citation Subset:  IM    
Affiliation:
Department of Pathology, Mersin University, School of Medicine, Mersin 33079, Turkey. dusmezduygu@hotmail.com
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Female
Humans
Hyperplasia / etiology,  pathology
Male
Middle Aged
Mycosis Fungoides / pathology*,  therapy
Neoplasm Staging
Skin / pathology*,  radiation effects
Skin Neoplasms / pathology*,  therapy
Ultraviolet Rays
Ultraviolet Therapy*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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