The Mediterranean diet has been related to a reduced risk of several common cancers but its role on breast cancer has not been quantified yet. We investigated the association between adherence to the Mediterranean diet and breast cancer risk by means of a hospital-based case-control study conducted in Italy and Switzerland. 3034 breast cancer cases and 3392 controls admitted to the same network of hospitals for acute, non-neoplastic and non-gynaecologic diseases were studied. Adherence to the Mediterranean diet was quantitatively measured through a Mediterranean Diet Score (MDS), summarizing the major characteristics of the Mediterranean dietary pattern and ranging from 0 (lowest adherence) to 9 (highest adherence). We estimated the odds ratios (ORs) of breast cancer for the MDS using multiple logistic regression models, adjusting for several covariates. Compared to a MDS of 0–3, the ORs for breast cancer were 0.86 (95% confidence interval, CI, 0.76–0.98) for a MDS of 4–5 and 0.82 (95% CI, 0.71–0.95) for a MDS of 6–9 (p for trend = 0.008). The exclusion of the ethanol component from the MDS did not materially modify the ORs (e.g., OR = 0.81, 95% CI, 0.70–0.95, for MDS ≥ 6). Results were similar in pre- and post-menopausal women. Adherence to the Mediterranean diet was associated with a reduced breast cancer risk.
A higher frequency of early onset female breast cancers (BC) has been observed in low/middle income countries than in high income countries. We quantified the role of population ageing to this pattern using data from all population-based cancer registries (CRs) worldwide. Patients’ median age at BC onset and that of the general population were extracted for CRs listed in volumes VI (1983–1987 years) through XI (2008–2012 years) of Cancer Incidence in Five Continents. Their association was assessed at cross-sectional level by linear regression model and longitudinally considering 25-year ageing of the population in long-standing CRs listed at the beginning and at the end of the study. During 2008–2012, each one-year increase of population ageing was associated with a nearly ½ year increase of age at BC diagnosis. Population demographics explained forty-two percent of the age variance for BC. In 1983–1987, long-standing CRs with a median age at BC below age 61.8 years showed an increase of age at BC after 25-years. Worldwide, age at BC diagnosis essentially reflected the median age of the population. Changes in BC detection methodology likely lessened this association. Nevertheless, the elevated absolute number of BCs in young populations deserves strategies of BC prevention.
Cryoglobulinemic vasculitis (CV) can develop in 1.2–4% of hepatitis B virus (HBV)‐infected patients. HBV infection affects about 350 million people worldwide. It can progress from acute or fulminant hepatitis to chronic hepatitis, cirrhosis or hepatocellular carcinoma. Twenty per cent of HBV patients may develop extra‐hepatic manifestations, such as polyarteritis nodosa, glomerulonephritis, dermatitis, polyarthralgias and arthritis, lung disease, aplastic anaemia. Our review focuses on the role of antiviral agent nucleot(s)ide analogues (NAs) in treatment of HBV‐related CV. The studies in literature have demonstrated that NAs therapy in HBV‐related CV yields high virological and satisfying clinical responses in most patients with mild‐and‐moderate CV, but a low response in severe CV. Overall, NAs represent a promising therapeutic option for HBV‐related CV. Obtaining early suppression of HBV viral load should be the main virological and clinical goal in order to prevent organ complications and lymphoproliferative disorders.
The cancer risk of patients with inflammatory bowel diseases (IBD) has not been well documented in southern Europe. This study aimed to evaluate the overall pattern of cancer risk among patients with IBD in Friuli Venezia Giulia, northeastern Italy. A population-based cohort study was performed through a record linkage between local healthcare databases and the cancer registry (1995-2013). We identified 3664 IBD patients aged 18-84 years, including 2358 with ulcerative colitis (UC) and 1306 with Crohn's disease (CD). Sex-and age-standardized incidence ratios (SIRs) and 95% confidence intervals (CIs) were used to compare the cancer incidence of IBD patients with the general population. The cumulative cancer risk among IBD patients reached about 10% after 10 years of follow-up. A total of 246 cancers occurred among UC patients (SIR = 1.05, 95% CI: 0.92-1.19), and 141 among CD patients (SIR = 1.20, 95% CI: 1.01-1.41). As compared with the general population, no increased risk of colorectal cancers was observed for either UC or CD patients, whereas the risk of anal cancer was significantly elevated among UC patients (SIR = 6.03, 95% CI: 1.24-17.60). Increased risks were seen for specific extra-intestinal cancers, including corpus uteri (SIR = 2.67, 95% CI: 1.07-5.50) and kidney (SIR = 2.06, 95% CI: 1.03-3.69) among UC patients; thyroid (SIR = 5.58, 95% CI: 2.41-11.00) and skin non-melanoma (SIR = 1.86, 95% CI: 1.32-2.55) among CD patients. This population-based study showed that both UC and CD patients had a colorectal cancer risk similar to that of the general population. However, they were at a higher risk of developing certain extra-intestinal cancer types. Although detection biases cannot be excluded, the study findings pointed to a role of long-standing exposures to immunosuppressive therapies, underlying disease status, as well as the interactions with lifestyle factors. Our findings lent additional support to the need for monitoring the cancer burden in this at-risk population.
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