OBJECTIVE: We evaluated the relationship between opium consumption and bladder
cancer (BC) in a case-control study of an Iranian population. MATERIALS AND METHODS …

Objective The association between opium use and bladder cancer has been investigated in
many studies, with varying reporting results reported. This study aims to estimate the total …

BACKGROUND: Bladder cancer (BC) is the most common genitourinary system malignancy
in humans. Consumption of opium and its derivatives, maybe a risk factor possibly in Iran …

Background Bladder cancer (BC) is the 10th most common type of cancer worldwide and the
fourth most common type of cancer in Iran. Opium use is considered as one of the risk …

Purpose: Many environmental and occupational risk factors have been proposed for bladder
cancer, among which opium consumption has been considered in few studies. We designed …

Background: Bladder cancer disproportionally affects the communities. While it is the ninth
most common cancer in the world, in some parts of Iran including Kerman province it is the …

Background: Recognition of the predisposing factors of bladder cancer is very important and
provides possible prevention measures. The aim of this study was to investigate the types …

Evidence is presented that opium addiction is a risk factor for cancer of the bladder. A case‐
control study of 99 bladder cancer patients admitted to Nemazee Hospital in Shiraz, Iran was …

The carcinogenicity of opium consumption was recently evaluated by a Working Group
convened by the International Agency for Research on Cancer (IARC). We supplement the …

Opium use is one of the most common forms of substance abuse in Iran and there are some
evidence indicating it is a risk factor of transitional cell carcinoma (TCC) of the urinary …