Benign - Premalignant - Carcinoma in situ - Malignant Pathology (from Greek pathos, feeling, pain, suffering; and logos, study of; see also -ology) is the study of the processes underlying disease and other forms of illness, harmful abnormality, or dysfunction. ... Tumor or tumour literally means swelling, and is sometimes still used with that meaning. ... Cancer is a class of diseases or disorders characterized by uncontrolled division of cells and the ability of these cells to spread, either by direct growth into adjacent tissue through invasion, or by implantation into distant sites by metastasis (where cancer cells are transported through the bloodstream or lymphatic system). ... Oncology is the medical subspecialty dealing with the study and treatment of cancer. ... Benign can refer to any medical condition which, untreated or with symptomatic therapy, will not become life-threatening. ... A premalignant condition is a disease, syndrome, or finding that, if left untreated, may lead to cancer. ... Carcinoma in situ is present when a tumor has been detected that has the characteristics of malignancy but has not invaded other tissues. ... In medicine, malignant is a clinical term that is used to describe a clinical course that progresses rapidly to death. ...

Topography: Anus - Bladder - Bile duct - Bone - Brain - Breast - Cervix - Colon/rectum - Duodenum - Endometrium - Esophagus - Eye - Gallbladder - Head/Neck - Liver - Larynx - Lung - Mouth - Pancreas - Penis - Prostate - Kidney - Ovaries - Skin - Stomach - Testicles - Thyroid Anal cancer is a distinct entity from the more common colorectal cancer. ... Bladder cancer refers to any of several types of malignant growths of the urinary bladder. ... // [edit] Introduction Cholangiocarcinoma is an adenocarcinoma of the biliary duct system. ... A brain tumor is any intracranial tumor created by abnormal and uncontrolled cell division, normally either found in the brain itself (neurons, glial cells (astrocytes, oligodendrocytes, ependymal cells), lymphatic tissue, blood vessels), in the cranial nerves (myelin-producing Schwann cells), in the brain envelopes (meninges), skull, pituitary and pineal gland... Breast cancer is cancer of breast tissue. ... Cervical cancer is a malignancy of the cervix. ... Colorectal cancer, also called colon cancer or bowel cancer, includes cancerous growths in the colon, rectum and appendix. ... This article needs more context around or a better explanation of technical details to make it more accessible to general readers and technical readers outside the specialty, without removing technical details. ... Endometrial cancer involves cancerous growth of the endometrium (lining of the uterus). ... Esophageal cancer is malignancy of the esophagus. ... Ocular oncology is branch of medicine dealing with tumors relating to the eye and its adnexa. ... Bold textA more uncommon cancer predominate in females, if found early on before symptoms, can be cured by removing Gallbladder, most often it is found after symptoms occur (abdominal pain, Jaundice) and has spread to other organs such as liver and the outlook at this point is poor. ... Head and neck cancers are malignant growths originating in the lip and oral cavity (mouth), nasal cavity, pharynx, larynx, thyroid, paranasal sinuses, salivary glands and cervical lymph nodes of the neck. ... Hepatocellular carcinoma (HCC, also called hepatoma) is a primary malignancy (cancer) of the liver. ... Cancer of the larynx also may be called laryngeal cancer. ... Lung cancer is the malignant transformation and expansion of lung tissue, and is the most lethal of all cancers worldwide, responsible for up to 3 million deaths annually. ... Oral cancer is any cancerous tissue growth located in the mouth. ... Pancreatic cancer (also called cancer of the pancreas) is a malignant tumour within the pancreatic gland. ... Penile cancer is a malignant growth found on the skin or in the tissues of the penis, usually originating in the glans and/or foreskin. ... Prostate cancer is a disease in which cancer develops in the prostate, a gland in the male reproductive system. ... Renal cell carcinoma, also known by a gurnistical tumor, is the most common form of kidney cancer arising from the renal tubule. ... Ovarian cancer is a malignant ovarian neoplasm (an abnormal growth located on the ovaries). ... Skin cancer is a malignant growth on the skin, which can have many causes, including repeated severe sunburn or long-term exposure to the sun. ... Stomach cancer (also called gastric cancer) can develop in any part of the stomach and may spread throughout the stomach and to other organs; particularly the esophagus and the small intestine. ... Testicular cancer is a type of cancer that develops in the testicles (singular testis), a part of the male reproductive system. ...

Morphology: Papilloma/carcinoma - Choriocarcinoma - Adenoma/adenocarcinoma - Soft tissue sarcoma - Melanoma - Fibroma/fibrosarcoma - Metastasis - Lipoma/liposarcoma - Leiomyoma/leiomyosarcoma - Rhabdomyoma/rhabdomyosarcoma - Mesothelioma - Angioma/angiosarcoma - Osteoma/osteosarcoma - Chondroma/chondrosarcoma - Glioma - Lymphoma/leukemia Papilloma refers to a benign epithelial tumor. ... In medicine, carcinoma apanting dog named rufis It is malignant by definition: carcinomas invade surrounding tissues and organs, and may spread to lymph nodes and distal sites (metastasis). ... Choriocarcinoma is a rare cancer of the placenta, curable by chemotherapy. ... Adenoma refers to a collection of growths (-oma) of glandular origin. ... Adenocarcinoma is a form of carcinoma that originates in glandular tissue. ... Malignant (cancerous) tumors that develop in soft tissue are called sarcomas, a term that comes from a Greek word meaning fleshy growth. ... Melanoma is a malignant tumor of melanocytes and, less frequently, of the eye (see uveal melanoma). ... Soft Fibroma (fibroma molle). ... Fibrosarcoma (fibroblastic sarcoma) is a malignant tumor derived from fibrous connective tissue and characterized by immature proliferating fibroblasts or undifferentiated anaplastic spindle cells. ... Metastasis (Greek: change of the state) is the spread of cancer from its primary site to other places in the body. ... A lipoma is a common, benign tumor composed of fatty tissue. ... Liposarcoma is a malignant tumor that arises in fat cells in deep soft tissue, such as that inside the thigh or in the retroperitoneum. ... A leiomyoma (plural is leiomyomata) is a benign smooth muscle neoplasm that is not premalignant. ... Leiomyosarcoma is a type of sarcoma which is a neoplasm of smooth muscle. ... A rhabdomyoma is a benign tumor of muscle. ... A rhabdomyosarcoma is a type of cancer, specifically a sarcoma (cancer of connective tissues), in which the cancer cells are thought to arise from skeletal muscle progenitors. ... Angiomas are benign tumors that are made up of small blood vessels. ... Angiosarcoma is a rare, malignant tumor consisting of endothelial and fibroblastic tissue that proliferates and eventually surrounds vascular channels. ... An osteoma is a new piece of bone growing on another piece, typically the skull. ... Osteosarcoma is a common primary bone cancer. ... A chondroma is a benign cartilaginous tumor, which is encapsulated with a lobular growing pattern. ... A chondrosarcoma is a cancer of the cartilage. ... A glioma is a type of primary central nervous system (CNS) tumor that arises from glial cells. ... Lymphoma is a variety of cancer that originates in lymphocytes or, more rarely, of histiocytes. ... Leukemia or leukaemia (see spelling differences) is a cancer of the blood or bone marrow and is characterized by an abnormal proliferation (production by multiplication) of blood cells, usually white blood cells (leukocytes). ...

Treatment: Surgery - Chemotherapy - Radiation therapy - Immunotherapy - Experimental cancer treatment A cardiothoracic surgeon performs a mitral valve replacement at the Fitzsimons Army Medical Center. ... Chemotherapy is the use of chemical substances to treat disease. ... Clinac 2100 C100 accelerator Radiation therapy (or Radiotherapy) is the medical use of ionizing radiation as part of cancer treatment to control malignant cells (not to be confused with radiology, the use of radiation in medical imaging and diagnosis). ... Cancer Immunotherapy is the use of monoclonal antibodies (-mab) to specifically target cells. ... Experimental cancer treatments are medical therapies intended or claimed to treat cancer (see also tumor) by improving on, supplementing or replacing conventional methods (surgery, chemotherapy, radiation, and immunotherapy). ...

Related structures: Cyst - Dysplasia - Hamartoma - Neoplasia - Nodule - Polyp - Pseudocyst A cyst is a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body. ... Dysplasia (latin for bad form) is an abnormality in the appearance of cells indicative of an early step towards transformation into a neoplasia. ... A hamartoma is a common benign tumor in an organ composed of tissue elements normally found at that site but that are growing in a disorganized mass. ... Neoplasia (new growth in Greek) is abnormal, disorganized growth in a tissue or organ, usually forming a distinct mass. ... In medicine, a nodule refers to a small aggregation of cells. ... Polyp of sigmoid colon as revealed by colonoscopy. ... A pseudocyst is a pathological collection of fluid. ...

Misc: Tumor suppressor genes/oncogenes - Staging/grading - Carcinogenesis/metastasis - Carcinogen - Research - Paraneoplastic phenomenon - ICD-O - List of oncology-related terms A tumor suppressor gene is a gene that reduces the probability that a cell in a multicellular organism will turn into a tumor cell. ... An oncogene is a modified gene that increases the malignancy of a tumor cell. ... The stage of a cancer is a descriptor (usually numbers I to IV) of how much the cancer has spread. ... In pathology, Grading is a measure of the progress of tumors. ... Cancers are caused by a series of mutations. ... Metastasis (Greek: change of the state) is the spread of cancer from its primary site to other places in the body. ... The term carcinogen refers to any substance, radionuclide or radiation which is an agent directly involved in the promotion of cancer or in the facilitation of its propagation. ... Cancer research is research into cancer in order to identify causes and develop strategies for prevention, diagnosis, treatments and cure. ... A paraneoplastic phenomenon is a disease or symptom that is the consequence of the presence of cancer in the body, but is not due to the local presence of cancer cells. ... The International Classification of Diseases for Oncology (ICD-O) is a domain specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. ... This is a list of terms related to oncology. ...