Environmental and Infectious Causes of Malignancy
نویسندگان
چکیده
and Key Points 1. Exposure to many environmental agents is associated with an increased incidence of certain malignancies, although causation is usually difficult to prove. 2. Certain chemicals, infections (parasitic, viral, and bacterial) and ionizing radiation are known carcinogens. 3. Variable genetic susceptibility to carcinogenesis is apparent. 4. Up to two-thirds of human cancers are believed to have an environmental component.
منابع مشابه
Lymphoma infectious mononucleosis by Epstein-Barr virus: A case report
Background: Epstein-Bar virus (EBV) causes infectious mononucleosis in more than 90% of children. Rarely, mononucleosis may lead to malignancy. The aim the current study was to introduce a child with mononucleosis and persistent adenopathy. Case report: A 4-year-old male patient presented with complaints of fever, shortness of breath and sore throat. He was treated with antibiotics and prednis...
متن کاملInfectious Causes of Malignancy.
It has long been believed that cancer arises from genetic changes and that the agents of these changes have roots in toxins or in the environment. In this review, however, we discuss some of the infectious causes of cancer, both suspected and proven. Problems that arise when attempting to associate infection with malignancy include the long incubation periods of many diseases and the many cofac...
متن کاملTherapy of membranous nephropathy associated with malignancy and secondary causes.
Membranous nephropathy (MN) most commonly is idiopathic, but secondary causes are common in children and in older adults. The most common secondary causes of MN in industrialized countries include malignancy and systemic lupus erythematosis. Infectious causes (hepatitis B, quartan malaria, schistosomiasis) remain the most common etiologies in endemic areas. In this article we describe the clini...
متن کاملMalignancy and Granulomatosis: Causality or Coincidence? Narrative Systematic Review
In patients with malignancy, the common etiologies of granuloma formation are tumor related sarcoid reaction, sarcoidosis, tuberculosis and other granulomatous diseases. Often, the finding of granulomas in malignant patients may obscure the primary malignancy or may mislead towards treatment of infectious and other etiologies. Hence, their proper recognition and necessary follow up is needed to...
متن کاملFrequency and Causes of Fluid Accumulation in the Pleural Space in the Patients Admitted to Teaching Hospitals in Hamedan City during 5 Years
Introduction: Occurrence of pleural effusion occurs in both hospitalized and outpatients. Recognizing the most important and common causes of pleural effusion in each region and in different communities can be a useful step in early and timely diagnosis of the causes and, consequently, timely treatment and thus reducing the time and burden of diagnostic and therapeutic costs imposed on patients...
متن کامل