Cancer and its types and its causes pdf

Infection with hpv now causes the majority of anal cancers. Any cancer causing genetic alteration typically results in loss of cell growth control. Lung cancer, skin cancer, pancreatic cancer and ovarian cancer are. The true causes of cancer competitive enterprise institute. In each case it is important to know exactly what type of cancer has developed, how large it has become, whether it has spread and how well the particular type of cancer responds to various treatments.

Cancer, its types and its treatment habiba, 03 zarwa, 04 eman, 06 malaika, 11 fariha, 15 faqiha, 25 maira, 41 may 22,2016 2. Some things called risk factors may make it more likely to happen. These contrast with benign tumors, which do not spread. Cancer simple english wikipedia, the free encyclopedia. Tobacco use causes many types of cancer cdc online. Learn more about triplenegative breast cancer inflammatory. Encephalopathy, on the other hand, refers to the mental state that can happen because of several types of health problems. Ovarian cancer is a relatively uncommon type of cancer that arises from different types of cells within the ovary, an almondshaped eggproducing female reproductive organ the most common ovarian.

Decades of research has demonstrated the link between tobacco use and cancer in the lung, larynx, head, neck. In such case, availing a blood test for cancer detection can really help. Colon cancer is often referred to as colorectal cancer and includes both cancers of the rectum and the upper colon. In males, the most common cancers are that of lung, prostate, stomach, colon and rectum. It is one of the leading causes of death in developed countries. If we sit down and calculate, then it can be seen that there are almost 100 types of cancer. The type of bladder cancer depends on how the tumors cells look under the microscope. Cancer usually symbolized by a crab is a noncommunicable disease cancer is the unregulated and uncontrolled proliferation of cells or it is a breakdown of the regulating mechanism that governs normal cell division the study of cancer is called oncology the tumor a mass of tissue of abnormal cellsor neoplasm formed by uncontrolled cell division can be of two types. Macmillan cancer support a charity that helps people who have cancer.

Types of breast cancer there are many different types of breast cancer and common ones include ductal carcinoma in situ dcis and invasive carcinoma. Apr 29, 2020 like other types of cancers, lung cancer is a result of an abnormality in a bodys cell. In most cases, the cancer is named after the organs or tissues in which it first developsfor example, breast cancer refers to. In all types of cancer, some of the bodys cells begin to divide without stopping and spread into surrounding tissues. Breast cancer a guide for journalists on breast cancer and. Each guide provides comprehensive, oncologistapproved information on. Others, like phyllodes tumors and angiosarcoma are. Jun 16, 2006 cancer may affect people at all ages, but risk increases with age. Mammograms can detect breast cancer early, possibly before it has spread. Anal cancer differs from colon cancer both in treatments and causes. There are over 100 different types of cancer, and each is classified by the type of cell that is. It describes the disease that results when cellular changes cause the uncontrolled growth and division of cells. Cancer typically involves a change in gene expressionfunction. Tobacco smoke has at least 70 chemicals that cause cancer.

There are more than 100 types of cancer, including breast cancer, skin cancer, lung cancer, colon cancer, prostate cancer, and lymphoma. Takeaway cancer causes cells to divide uncontrollably. Cancer is a complex group of diseases with many possible causes. Learn more about the causes, symptoms, prevention, and treatment of cancer. Cancer is a class of diseases characterized by outofcontrol cell growth. Cancer research uk a charity that is researching treatments for cancer. Cancer is an umbrella term covering a plethora of conditions characterized by unscheduled and uncontrolled cellular proliferation. The evidence that alcoholic drinks are a cause of cancers of the mouth. Cigarette smoking causes 3 in 10 of all cancer deaths. Treat cancer chemotherapy can be used to cure cancer, lessen the chance it will return, or stop or slow its growth. Many cancers and the abnormal cells that compose the cancer tissue are further identified. Each type is classified by the type of cell the cancer originates from. Breast cancer can occur in both men and women, but its far more common in women. In an attempt to overcome the confusion that exists in the terminology of cancer tumour etiology, the author has analysed the current situation and proposed terms which, he hopes, will stimulate international discussion and lead eventually to an agreed standard terminology.

Ease cancer symptoms chemotherapy can be used to shrink tumors that are causing pain and other problems. What are the different types of cancer and their causes. Cancer,its causes,its types,diagnosis and general treatment. So the immune system sees the cancer as part of the body it is trying to protect, not as a threat to be.

It occurs in blood forming organs, specially the bone marrow. Cervical cells ebv epsteinbarr virus, the herpes virus that causes inflammation of the throat lymphoid radiation can cause cancer. These include smoking, not getting enough exercise, drinking too much alcohol, not eating well and being overweight. This is because the cancer has actually become a part of the body by invading cells and tissues. There are more than hundred different types of cancer that are characterized by abnormal cell growth. The disruption of the bodys system checks and balances on cell growth is what causes the uncontrolled division and generation of cells that will eventually turn into a tumour. Nov 10, 2016 tobacco use is the leading preventable cause of cancer deaths. Throat cancer refers to cancerous tumors that develop in your throat pharynx, voice box larynx or tonsils. Cancer can start almost anywhere in the human body, which is made up of trillions of cells. Chemotherapy to treat cancer national cancer institute. It is the most common form of cancer that affects the epithelial cells which form the lining of internal organs or the skin. Cancer, also called malignancy, is an abnormal growth of cells. Feb 08, 2016 but there are some types of tests and treatments that may actually increase a persons risk of developing cancer.

In 1950, the world health organization sponsored an international symposium, and the attendees were intrigued by the dramatic variations in the types of cancer found in different areas of the world. Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. Nov 14, 2017 for some types of cancer, the outlook is poor. Breast cancerpatient version national cancer institute. Cancer staging is determined by the size, location, and behavior of a cancer. In females, the most common cancers are that of breast, colon, rectum, lung and cervix. It is difficult to estimate the impact of doll and petos views, but their 1981 article had been cited in over 441 other scientific articles by the end of 2004. This type of cancer originates from skin or cells which lines the internal organs. Cancer often has the ability to spread throughout your body. Pdf on jan 19, 2020, meena kumari published cancer notes find, read and cite all the research you need on.

Therefore, the production and function of these cells stop. The causes of cancer are many and varied, and include genetic. Cancer is the uncontrolled growth of abnormal cells anywhere in a body there are over 200 types of cancer anything that may cause a normal body cell to develop abnormally potentially can cause cancer. Cancer is the name given to a collection of related diseases. A guide for journalists on breast cancer and its treatment. The causes of many cancers are not fully understood.

This type of breast cancer tests negative for the hormones estrogen and progesterone, and the protein her2. Risk increases with age, and diagnoses of these three types of cancer are most. Cancer is a group of diseases that involve abnormal increases in the number of cells, with the potential to invade or spread to other parts of the body. Definitions and terminology in cancer tumour etiology. Types of cancer are usually named for the organs or tissues where the cancers form. Nov 14, 2017 in this series cancer causes of cancer cancer symptoms diagnosing cancer bone scan cancer treatment stages of cancer radiotherapy chemotherapy there are more than 100 different types of cancer. Cancers 1 photo cancer is a leading cause of death group worldwide and accounted for 7. Blood cancer is also called by the term hematologic cancer. Inform yourself about the role viruses play in contributing. A cancers stage is a descriptor, or identity usually a roman numeral between i and iv that influences the treatment and outlook prognosis of the cancer. This causes problems in the part of the body where the cancer. Whether you or someone you love has cancer, knowing what to expect can help you cope. The question of what causes cancer has intrigued people for generations.

There are three main types of genes that can affect cell growth and are altered mutated in certain types of cancers, including the following. Scientists commonly describe oncogenes as similar to a cancer switch that most people have in their bodies. Overview how common is cancer understand cancer history how cancer starts how cancer spreads stop cancer 3. From basic information about cancer and its causes to indepth information on specific cancer types including risk factors, early detection, diagnosis, and treatment options youll find it here. This syndrome develops when the bone marrow and the blood cells get affected. For example, lung cancer starts in cells of the lung, and brain cancer starts in cells of the brain. They give practical, medical and financial support. But survival rates are improving for many types of cancer, thanks to improvements in cancer screening and cancer treatment. Here we will explain what cancer is and how its treated. It is the third leading cause of cancer deaths in both men and women. It is the most common form of cancer that affects the epithelial cells which form the.

Blood cancer types, symptoms, causes and its treatment. Almost any mammalian organ and cell type can succumb to oncogenic transformation, giving rise to a bewildering array of clinical outcomes. Jan 31, 2014 cancer and its types an introduction to cancer 1. Breast cancer is the second most common cancer in women after skin cancer. Cancer is the uncontrolled growth of abnormal cells anywhere in a body there are over 200 types of cancer anything that may cause a normal body cell to develop abnormally potentially can cause. Tobacco smoking is associated with many forms of cancer, and causes 80% of lung cancer. It is found that no organ of body and no species is free from cancer. In this section you can learn more about the known causes of cancer, including genetic factors. Oct 21, 2010 cancer is a class of diseases characterized by uncontrolled growth of cells in the body.

Tobacco use is the single largest preventable cause of cancer in the world today. Substantial support for breast cancer awareness and research funding has helped created advances in the diagnosis and treatment of breast cancer. Chemotherapy is used to treat many types of cancer. True causes of cancer in their landmark 1981 study of the issue, richard doll and richard peto set out to determine the causes of preventable cancer in the united states. There are more than 100 types of cancer, usually named for the organs or tissues where the cancers form. Cigarette smoke causes many types of cancer, including cancer of the lung, mouth, larynx, throat, bladder, pancreas, colon and rectum, as well as acute myeloid leukemia. Some types of cancer are best treated with surgery. Cancer harms the body when damaged cells divide uncontrollably to form lumps or masses of tissue called tumors except in the case of leukemia where cancer prohibits normal blood function by abnormal cell division in the blood stream. Net offers individualized guides for more than 120 types of cancer and related hereditary syndromes.

When a person has cancer, the outlook will depend on whether the disease has spread and on its type, severity, and location. It is the leading cause of cancer and death from cancer about one in nine cancers, and one in five cancer deaths. Read about cancer signs, stages, cells, symptoms, and types. Some types of cancer cause rapid cell growth, while others. Therefore, the production and function of these cells stop functioning fighting against infections and repair our body cells and the cancer cells grow out of control. In an attempt to overcome the confusion that exists in the terminology of cancer tumour etiology, the author has analysed the current situation and proposed terms which, he hopes, will. Cancers cause cancers cure the truth about cancer its. Tobacco use causes many types of cancer cdc online newsroom. Survival is worse in the developing world, partly because the types of cancer that are most common there are harder to treat than those associated with developed countries. Cancer is the secondleading cause of death in the world. After skin cancer, breast cancer is the most common cancer diagnosed in women in the united states.