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Encyclopedia > Nodule (medicine)

In medicine, a nodule refers to a small aggregation of cells. Medicine is the branch of health science and the sector of public life concerned with maintaining or restoring human health through the study, diagnosis, treatment and possible prevention of disease and injury. ... Drawing of the structure of cork as it appeared under the microscope to Robert Hook from Micrographia which is the origin of the word cell. Cells in culture, stained for keratin (red) and DNA (green). ...


Nodules may form on tendons and muscles in response to injury. The vocal cords may also develop nodules. Nodules are normally benign and often painless, although they can affect the functioning of the organ. A tendon (or sinew) is a tough band of fibrous connective tissue that connects muscle to bone, or muscle to muscle. ... It has been suggested that this article or section be merged into Muscular system. ... Laryngoscopic view of the vocal folds. ... Benign can refer to any medical condition which, untreated or with symptomatic therapy, will not become life-threatening. ... In biology, an organ (Latin: organum, instrument, tool) is a group of tissues that perform a specific function or group of functions. ...


Examples

A vocal fold nodule (or Nodules of vocal cords) is a nodule or mass of tissue that grows on the vocal folds(vocal cords). ... A thyroid nodule is a swelling that develops in the thyroid gland. ... Justin Randall Timberlake (born January 31, 1981) is a two-time Grammy Award-winning American pop/R&B singer, and actor. ...

See also

A papule is a small, solid and usually conical elevation of the skin. ...

External links

Tumors (and related structures), Cancer, and Oncology edit
Benign - Premalignant - Carcinoma in situ - Malignant

Topography: Anus - Bladder - 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 The Diseases Database is a free website that provides information about the relationships between medical conditions, symptoms, and medications. ... GPnotebook is a British medical database for general practitioners (GPs. ... The Family Practice Notebook is a medical database focused on family practice. ... Tumor (American English) or tumour (British English) originally 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 invade other tissues, either by direct growth into adjacent tissue through invasion or by implantation into distant sites by metastasis. ... 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. ... 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. ... Bone tumor is an inexact term, which can be used for both benign and malignant abnormal growths found in bone, but is most commonly used for primary tumors of bone, such as osteosarcoma (or osteoma). ... 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 a cancer of the lungs characterized by the presence of malignant tumours. ... 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, 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 is any cancer that arises from epithelial cells. ... Choriocarcinoma is a rare cancer of the placenta, curable by chemotherapy. ... Adenoma refers to a collection of growths (-oma) of glandular origin. ... In medicine, carcinoma is any cancer that arises from epithelial cells. ... 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 retinal pigment epithelial cells (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. ... This article needs to be cleaned up to conform to a higher standard of quality. ... A leiomyoma (plural is leiomyomata) is a benign smooth muscle neoplasm that is not premalignant. ... A sarcoma is a cancer of the bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. ... 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 arise from skeletal muscle. ... 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. ... To meet Wikipedias quality standards, this article may require cleanup. ... Leukemia (or leukaemia; see spelling differences) is a cancer of the blood or bone marrow characterized by an abnormal proliferation 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 (literally: new growth) is abnormal, disorganized growth in a tissue or organ, usually forming a distinct mass. ... 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. ... In pathology, a carcinogen is any substance or agent that promotes cancer. ... Cancer research is the intense scientific effort to understand the development of cancer and identify potential therapies. ... 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. ...


  Results from FactBites:
 
eMedicine - Thyroid Nodule : Article by Steven K Dankle, MD (1560 words)
Roughly 5% of thyroid nodules are malignant, whereas the remainder represents a variety of benign diagnoses, including colloid nodule, degenerative cyst, hyperplasia, thyroiditis, or benign neoplasm.
Ultrasonography cannot be used to distinguish a benign nodule from a malignant nodule and is not considered a routine part of the initial diagnostic evaluation of a solitary thyroid nodule.
Because solitary thyroid nodules are hot in only 10% of cases and 90% of cold nodules are not malignant, nuclear imaging with or without ultrasonography typically is associated with a low yield of cancer diagnoses in surgical specimens when used as the main guide for surgical referral.
Nodule - Wikipedia, the free encyclopedia (138 words)
In medicine, a nodule refers to a small aggregation of cells.
In geology, a nodule refers to a small knobbly rock or mineral cluster.
In plant biology, a root nodule is a root outgrowth formed on the roots of legumes and house symbiotic bacteria that fix atmospheric nitrogen and provide it to the plant in exchange for carbon.
  More results at FactBites »


 

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