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1.
J Skin Cancer ; 2015: 893149, 2015.
Article in English | MEDLINE | ID: mdl-26583073

ABSTRACT

Nonmelanoma skin cancer (NMSC) is the most common cancer among Americans. Ultraviolet (UV) radiation exposure is the major risk factor for the development of NMSC. Dietary AOs may prevent free radical-mediated DNA damage and tumorigenesis secondary to UV radiation. Numerous laboratory studies have found that certain dietary AOs show significant promise in skin cancer prevention. These results have been substantiated by animal studies. In human studies, researchers have evaluated both oral AO supplements and dietary intake of AOs via whole foods. In this review, we provide an overview of the role of AOs in preventing tumorigenesis and outline four targeted dietary AOs. We review the results of research evaluating oral AOs supplements as compared to dietary AOs intake via whole foods. While these specific supplements have not shown efficacy, intake of AOs via consumption of whole foods has shown some promise. Lessons learned from the field of hypertension research may provide important guidance in future study design. Further research on the role of dietary AOs in the prevention of NMSC is warranted and should focus on intake via whole food consumption.

2.
J Am Acad Dermatol ; 73(6): 976-86, 2015 Dec.
Article in English | MEDLINE | ID: mdl-26476898

ABSTRACT

BACKGROUND: Leonine facies (LF) is defined as displaying facial features similar to that of a lion with prominent convexities and furrowed creases. LF develops in a very small population of patients with cutaneous T-cell lymphoma. OBJECTIVE: We aimed to study the clinicopathologic features and overall prognosis associated with LF in patients with mycosis fungoides and Sézary syndrome. METHODS: We conducted a single-center retrospective study, reviewing 1338 patients with mycosis fungoides seen from 1987 to 2015 at a tertiary referral center for cutaneous T-cell lymphoma, and a systematic review of 14 patients in the literature. RESULTS: We identified 10 patients with mycosis fungoides who developed LF. Folliculotropism was seen in all patients with LF who had facial biopsy specimens. Radiation was a beneficial therapy. Complete remission was achieved in 1 patient and overall 5-year survival was 26%. Systematic review of 10 additional patients showed that all patients with LF, including ours, had stage-IV disease and some degree of blood involvement, but not all met criteria for Sézary syndrome. LIMITATIONS: This was a retrospective study with a small sample size. CONCLUSION: LF is associated with stage-IV cutaneous T-cell lymphoma, is often accompanied by folliculotropism and blood involvement, and can be treated with local electron beam therapy.


Subject(s)
Facies , Mycosis Fungoides/pathology , Skin Neoplasms/pathology , Adult , Aged , Biopsy, Needle , Cancer Care Facilities , Cohort Studies , Combined Modality Therapy , Female , Follow-Up Studies , Humans , Immunohistochemistry , Lymphoma, T-Cell, Cutaneous/diagnosis , Lymphoma, T-Cell, Cutaneous/pathology , Lymphoma, T-Cell, Cutaneous/therapy , Male , Middle Aged , Mycosis Fungoides/diagnosis , Mycosis Fungoides/therapy , Neoplasm Invasiveness/pathology , Neoplasm Staging , Positron-Emission Tomography/methods , Retrospective Studies , Risk Assessment , Skin Neoplasms/diagnosis , Skin Neoplasms/therapy , Survival Rate , Tertiary Care Centers , Treatment Outcome
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