A tumor.

An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Neoplasms may be benign (not cancer), or malignant (cancer). Also called tumor.

An abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease. Neoplasms show partial or complete lack of [..]

tumour; any new or abnormal growth, specifically one in which cell multiplication is uncontrolled. Neoplasms may be benign or malignant.

1864, coined in German by Karl Friedrich Burdach (1776-1847) from neo- + Greek plasma "formation" (see -plasm). Related: Neoplastic.

Excess number of cells in a mass that can be either benign (not cancerous) or malignant (cancerous).

An abnormal and uncontrolled growth of tissue; a tumor.

An abnormal ('neo', new) growth of tissue. Can be 'benign' (not a cancer) or 'malignant' (a cancer).

an abnormal new growth of tissue in animals or plants; a tumor

Any new or abnormal growth, specifically a new growth of tissue in which the growth is uncontrolled.

(ne´uo-plazm) A new, abnormal growth of tissue, as in a tumor. nephron

is a term which is normally used to describe a new, abnormal malignant tumour, as seen in cases of cancer. There is normally a lack of cellular structure and more a bundle of cells which are invasive [..]

A new growth of benign or malignant tissue.

(n) an abnormal new mass of tissue that serves no purpose

A new growth, tumor.

An abnormal growth (tumor) that starts from a single altered cell, a neoplasm may be benign (non-cancerous) or malignant (cancerous). Cancer is a malignant neoplasm.

An abnormal growth of tissue, either cancerous or benign.

A new growth of tissue or cells; a tumor that is generally malignant.

Malignant (cancerous) growth.

New and abnormal growth; specifically a new growth of tissue in which the growth is uncontrolled and progressive. It has no useful function.

A new growth of tissue or cells; a tumor that is generally malignant.

Any formation of tissue assiciated with disease such as tumour. See malignant, tumour.

An abnormal growth or tissue, as a tumor.

a term referring to a rapid and abnormal growth of tissue. Neoplasms can be benign or malignant.

New abnormal Growth of Tissue. Malignant neoplasms show a greater degree of Anaplasia and have the properties of invasion and Metastasis, compared to benign neoplasms.

Neoplasms composed of Fatty Tissue or Connective Tissue made up of Fat Cells in a meshwork of areolar Tissue. The concept does not refer to Neoplasms located in Adipose Tissue.

Tumors or cancers of the Adrenal Cortex.

Tumors or cancer of the Adrenal Glands.

Tumors or cancer of the Anal Canal.

Tumors or cancer of the Appendix.

Neoplasms composed of Cells from the deepest layer of the Epidermis. The concept does not refer to Neoplasms located in the stratum basale.

Tumors or cancer of the Bile Ducts.

Tumors or cancer in the Biliary Tract including the Bile Ducts and the Gallbladder.

Tumors or cancer located in bone Tissue or specific BONES.

Neoplasms located in the Bone Marrow. They are differentiated from Neoplasms composed of Bone Marrow Cells, such as Multiple Myeloma. Most Bone Marrow Neoplasms are metastatic.

Neoplasms composed of bony Tissue, whether normal or of a soft Tissue which has become ossified. The concept does not refer to Neoplasms located in bones.

Neoplasms of the intracranial components of the Central Nervous System, including the cerebral hemispheres, Basal Ganglia, Hypothalamus, Thalamus, Brain Stem, and Cerebellum. Brain Neoplasms are subdi [..]

Benign and malignant intra-axial Tumors of the Mesencephalon; Pons; or Medulla Oblongata of the Brain Stem. Primary and metastatic Neoplasms may occur in this location. Clinical features include Ataxi [..]

Tumors or cancer of the Human Breast.

Tumors or cancer of the Bronchi.

Tumors or cancer of the Cecum.

Primary or metastatic Neoplasms of the Cerebellum. Tumors in this location frequently present with Ataxia or signs of Intracranial Hypertension due to obstruction of the Fourth Ventricle. Common prima [..]

A malignancy arising in uterine cervical Epithelium and confined thereto, representing a continuum of histological changes ranging from well-differentiated CIN 1 (formerly, mild dysplasia) to severe d [..]

Benign or malignant Tumors which arise from the Choroid Plexus of the ventricles of the Brain. Papillomas (see Papilloma, Choroid Plexus) and Carcinomas are the most common histologic subtypes, and te [..]

Tumors of the Choroid; most common intraocular Tumors are Malignant Melanomas of the Choroid. These usually occur after Puberty and increase in Incidence with advancing age. Most Malignant Melanomas o [..]

Tumors or cancer of the Colon.

Tumors or cancer of the Colon or the Rectum or both. Risk Factors for colorectal cancer include chronic Ulcerative Colitis; Familial Polyposis Coli; exposure to Asbestos; and irradiation of the Cervix [..]

Tumors or cancer of the Conjunctiva.

Neoplasms composed of Connective Tissue, including elastic, mucous, reticular, osseous, and cartilaginous Tissue. The concept does not refer to Neoplasms located in Connective Tissue.

Benign and malignant Neoplasms that arise from one or more of the twelve Cranial Nerves.

Tumors or cancer of the Digestive System.

Tumors or cancer of the Duodenum.

Tumors or cancer of any part of the Hearing and equilibrium system of the body (the External Ear, the Middle Ear, and the INNER EAR).

Tumors or cancer of the Endocrine Glands.

Tumors or cancer of Endometrium, the mucous lining of the Uterus. These Neoplasms can be benign or malignant. Their Classification and grading are based on the various Cell types and the percent of un [..]

Tumors or cancer of the Esophagus.

Experimentally induced new abnormal Growth of Tissues in Animals to provide models for studying Human Neoplasms.

Experimentally induced Mammary Neoplasms in Animals to provide a model for studying Human Breast Neoplasms.

Tumors or cancer of the EYE.

Tumors of cancer of the EYELIDS.

Benign or malignant Neoplasms of the Fallopian Tubes. They are uncommon. If they develop, they may be located in the wall or within the lumen as a Growth attached to the wall by a stalk.

Neoplasms composed of fibrous and epithelial Tissue. The concept does not refer to Neoplasms located in fibrous Tissue or Epithelium.

Neoplasms composed of fibrous Tissue, the ordinary Connective Tissue of the body, made up largely of yellow or White fibers. The concept does not refer to Neoplasms located in fibrous Tissue.

Tumors or cancer of the Gallbladder.

Tumors or cancer of the Gastrointestinal Tract, from the Mouth to the Anal Canal.

All Tumors in the Gastrointestinal Tract arising from mesenchymal Cells (Mesoderm) except those of Smooth Muscle Cells (Leiomyoma) or Schwann Cells (Schwannoma).

Gestational Trophoblastic Diseases that are malignant. It does not include Hydatidiform Mole. However, there is a minority of authors that consider the term gestational trophoblastic Neoplasia synonym [..]

Neoplasms composed of glandular Tissue, an aggregation of Epithelial Cells that elaborate Secretions, and of any type of Epithelium itself. The concept does not refer to Neoplasms located in the vario [..]

Neoplasms composed of Tissues of the Ovary or the Testis, not Neoplasms located in the Ovaries or Testes. Gonadal Tissues include Germ Cells, Cells from the sex cord, and gonadal Stromal Cells.

Tumor or cancer of the female reproductive tract (Genitalia, Female).

Tumors in any part of the Heart. They include primary cardiac Tumors and metastatic Tumors to the Heart. Their interference with normal cardiac functions can cause a wide variety of symptoms including [..]

Neoplasms located in the Blood and Blood-forming Tissue (the Bone Marrow and Lymphatic Tissue). The commonest Forms are the various types of Leukemia, of Lymphoma, and of the progressive, Life-threate [..]

Certain Tumors that 1, arise in organs that are normally dependent on specific Hormones and 2, are stimulated or caused to regress by manipulation of the endocrine Environment.

Tumor or cancer of the Human Mammary Gland.

Tumors or cancer of the Hypopharynx.

Benign and malignant Tumors of the Hypothalamus. Pilocytic Astrocytomas and Hamartomas are relatively frequent histologic types. Neoplasms of the Hypothalamus frequently originate from adjacent struct [..]

Tumors or cancer in the Ileum region of the Small Intestine (Intestine, Small).

Metastatic Breast cancer characterized by Edema and Erythema of the affected Breast due to Lymphatic Metastasis and eventual obstruction of Lymphatic Vessels by the cancer Cells.

Tumors or cancer of the Intestines.

Neoplasms located in the Brain ventricles, including the two lateral, the third, and the Fourth Ventricle. Ventricular Tumors may be primary (e.g., Choroid Plexus Neoplasms and Glioma, Subependymal), [..]

Tumors of the Iris characterized by increased Pigmentation of Melanocytes. Iris Nevi are composed of proliferated Melanocytes and are associated with Neurofibromatosis and Malignant Melanoma of the Ch [..]

Cancers or Tumors of the Maxilla or Mandible unspecified. For Neoplasms of the Maxilla, Maxillary Neoplasms is available and of the Mandible, Mandibular Neoplasms is available.

Tumors or cancer in the Jejunum region of the Small Intestine (Intestine, Small).

Cancers or Tumors of the Larynx or any of its parts: the Glottis; Epiglottis; Laryngeal Cartilages; Laryngeal Muscles; and Vocal Cords.

Tumors or cancer of the LIP.

Tumors or cancer of the LIVER.

Any Neoplasms of the male Breast. These occur infrequently in males in Developed Countries, the Incidence being about 1% of that in females.

Tumor or cancer of the Male Genitalia.

A malignant Neoplasm made up of Epithelial Cells tending to infiltrate the surrounding Tissues and give rise to Metastases. It is a Histological Type of Neoplasm but is often wrongly used as a synonym [..]

Tumors or cancer of the Mammary Gland in Animals (Mammary Glands, Animal).

Tumors or cancer of the Mandible.

Cancer or Tumors of the Maxilla or upper jaw.

Tumors or cancer of the Maxillary Sinus. They represent the majority of paranasal Neoplasms.

Tumors or cancer of the MEDIASTINUM.

Benign and malignant Neoplastic Processes that arise from or secondarily involve the meningeal coverings of the Brain and spinal cord.

Neoplasms composed of Tissue of the mesothelium, the layer of flat Cells, derived from the Mesoderm, which lines the body cavity of the Embryo. In the Adult it Forms the simple squamous Epithelium whi [..]

Tumors or cancer located in Muscle Tissue or specific Muscles. They are differentiated from Neoplasms, Muscle Tissue which are Neoplasms composed of skeletal, cardiac, or Smooth Muscle Tissue, such as [..]

Neoplasms composed of Muscle Tissue: skeletal, cardiac, or smooth. The concept does not refer to Neoplasms located in Muscles.

Tumors or cancer of the Nasopharynx.

Neoplasms which arise from nerve sheaths formed by Schwann Cells in the Peripheral Nervous System or by Oligodendrocytes in the Central Nervous System. Malignant Peripheral Nerve sheath Tumors, Neurof [..]

Benign and malignant Neoplastic Processes arising from or involving components of the central, peripheral, and Autonomic Nervous Systems, Cranial Nerves, and Meninges. Included in this category are pr [..]

Neoplasms composed of nerve Tissue. This concept does not refer to Neoplasms located in the Nervous System or its component nerves.

Neoplasms composed of Neuroepithelial Cells, which have the capacity to differentiate into Neurons, Oligodendrocytes, and Astrocytes. The majority of craniospinal Tumors are of neuroepithelial origin. [..]

Tumors or cancer of the Nose.

Benign and malignant Neoplasms that arise from the Optic Nerve or its sheath. Optic Nerve Glioma is the most common histologic type. Optic Nerve Neoplasms tend to cause unilateral visual loss and an a [..]

Tumors or cancer of the Mouth.

Neoplasms of the bony Orbit and contents except the eyeball.

Tumors or cancer of the Oropharynx.

A general concept for Tumors or cancer of any part of the EAR; the Nose; the Throat; and the Pharynx. It is used when there is no specific heading.

Tumors or cancer of the Ovary. These Neoplasms can be benign or malignant. They are classified according to the Tissue of origin, such as the surface Epithelium, the stromal Endocrine Cells, and the t [..]

Tumors or cancer of the Palate, including those of the hard Palate, Soft Palate and UVULA.

Tumors or cancer of the Pancreas. Depending on the types of Islet Cells present in the Tumors, various Hormones can be secreted: Glucagon from Pancreatic alpha Cells; Insulin from Pancreatic beta Cell [..]

Tumors or cancer of the Paranasal Sinuses.

Tumors or cancer of the Parathyroid Glands.

Tumors or cancer of the Parotid Gland.

Tumors or cancer of the Pelvic Region.

Cancers or Tumors of the Penis or of its component Tissues.

Tumors or cancer of the Anal Gland.

Neoplasms which arise from Peripheral Nerve Tissue. This includes Neurofibromas; Schwannomas; Granular Cell Tumors; and malignant peripheral Nerve Sheath Neoplasms. (From DeVita Jr et al., Cancer: Pri [..]

Tumors or cancer of the Peritoneum.

Tumors or cancer of the Pharynx.

Neoplasms which originate from pineal parenchymal Cells that tend to enlarge the gland and be locally invasive. The two major Forms are pineocytoma and the more malignant pineoblastoma. Pineocytomas h [..]

Neoplasms which arise from or metastasize to the Pituitary Gland. The majority of pituitary Neoplasms are Adenomas, which are divided into non-secreting and secreting Forms. Hormone producing Forms ar [..]

Neoplasms associated with a proliferation of a single Clone of Plasma Cells and characterized by the Secretion of Paraproteins.

Neoplasms of the thin Serous Membrane that envelopes the Lungs and lines the Thoracic Cavity. Pleural Neoplasms are exceedingly rare and are usually not diagnosed until they are advanced because in th [..]

Intracranial Tumors originating in the region of the Brain inferior to the tentorium cerebelli, which contains the Cerebellum, Fourth Ventricle, Cerebellopontine Angle, Brain Stem, and related structu [..]

Tumors, cancer or other Neoplasms caused by or resulting from Trauma or other non-Radiation Injuries.

A group of malignant Tumors of the Nervous System that feature primitive Cells with Elements of neuronal and/or glial differentiation. Use of this term is limited by some authors to Central Nervous Sy [..]

Tumors or cancer of the Prostate.

A premalignant change arising in the prostatic Epithelium, regarded as the most important and most likely precursor of prostatic Adenocarcinoma. The Neoplasia takes the form of an intra-acinar or duct [..]

Tumors or cancer of the Lung.

Tumors, cancer or other Neoplasms produced by exposure to ionizing or Non-Ionizing Radiation.

A benign pituitary-region Neoplasm that originates from Rathke's pouch. The two major histologic and clinical subtypes are adamantinous (or classical) craniopharyngioma and papillary craniopharyn [..]

Tumors or cancer of the Rectum.

Tumors or cancers of the Kidney.

Remnant of a Tumor or cancer after primary, potentially curative therapy. (Dr. Daniel Masys, written Communication)

Tumors or cancer of the Retina.

Tumors or cancer of the Salivary Glands.

Abnormal growths of Tissue that follow a previous Neoplasm but are not Metastases of the latter. The second Neoplasm may have the same or different histological type and can occur in the same or diffe [..]

Tumors or cancer of the Sigmoid Colon.

Tumors or cancer of the Skin.

Neoplasms of the bony part of the Skull.

Neoplasms of the base of the Skull specifically, differentiated from Neoplasms of unspecified sites or bones of the Skull (Skull Neoplasms).

Neoplasms of whatever Cell type or origin, occurring in the extraskeletal Connective Tissue framework of the body including the organs of Locomotion and their various component structures, such as ner [..]

Benign and malignant Neoplasms which occur within the substance of the spinal cord (intramedullary Neoplasms) or in the space between the dura and spinal cord (intradural extramedullary Neoplasms). Th [..]

Tumors or cancer of the SPLEEN.

Neoplasms composed of squamous Cells of the Epithelium. The concept does not refer to Neoplasms located in Tissue composed of squamous Elements.

Tumors or cancer of the Stomach.

Neoplasms of the sublingual glands.

Primary and metastatic (secondary) Tumors of the Brain located above the tentorium cerebelli, a fold of Dura Mater separating the Cerebellum and Brain Stem from the cerebral hemispheres and Diencephal [..]

Two or more abnormal growths of Tissue occurring simultaneously and presumed to be of separate origin. The Neoplasms may be histologically the same or different, and may be found in the same or differ [..]

Tumors or cancer of the Testis. Germ Cell Tumors (Germinoma) of the Testis constitute 95% of all testicular Neoplasms.

Tumors or cancer of the Thymus Gland.

Tumors or cancer of the Thyroid Gland.

Tumors or cancer of the TONGUE.

Tumors or cancer of the Palatine Tonsil.

Trophoblastic Growth, which may be gestational or nongestational in origin. Trophoblastic Neoplasia resulting from Pregnancy is often described as Gestational Trophoblastic Disease to distinguish it f [..]

Metastases in which the Tissue of origin is unknown.

Cancer or Tumors of the Ureter which may cause obstruction leading to hydroUreter, Hydronephrosis, and Pyelonephritis. Hematuria is a common symptom.

Cancer or Tumors of the Urethra. Benign epithelial Tumors of the Urethra usually consist of squamous and transitional Cells. Primary Urethral Carcinomas are rare and typically of squamous Cells. Ureth [..]

Tumors or cancer of the Urinary Bladder.

Tumors or cancer of the Urogenital System in either the male or the female.

Tumors or cancer of the URINARY TRACT in either the male or the female.

Tumors or cancer of the Uterine Cervix.

Tumors or cancer of the Uterus.

Tumors or cancer of the Uvea.

Tumors or cancer of the Vagina.

Neoplasms located in the vasculature system, such as Arteries and Veins. They are differentiated from Neoplasms of vascular Tissue (Neoplasms, Vascular Tissue), such as Angiofibroma or Hemangioma.

Neoplasms composed of vascular Tissue. This concept does not refer to Neoplasms located in Blood Vessels.

Tumors or cancer of the Vulva.

New abnormal growth of tissue. Neoplasms may be benign (not cancerous) or malignant (cancerous). Neoplasms are commonly called tumors.

Remnant of a tumor or cancer after primary, potentially curative therapy. (Dr. Daniel Masys, written communication)

A tumor.

or Neoplasia (plural) – a growth of any new or abnormal cells or tissue in the body; the cells of a neoplasm proliferate autonomously, without the normal mechanisms that control the dividing of non-ne [..]

An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Neoplasms may be benign (not cancer), or malignant (cancer). Also called tumor.

Any new growth of cells or tissues but the term is customarily used with rather specific reference to a focus (or a relatively large mass or region) of intermittently or constantly progressive, [..]

A new growth of benign or malignant tissue.

Also called tumor. Any new and abnormal growth; specifically a new growth of tissue in which the growth is uncontrolled and progressive. Malignant neoplasms are distinguished from benign in that the former show a greater degree of anaplasia and have the properties of invasion and metastasis.

A tissue growth or tumor that may be benign or malignant.

An abnormal growth characterized by uncontrolled cellular proliferation. It may or may not be cancerous.

New growth of abnormal tissue.

An abnormal growth (tumor) that starts from a single altered cell; a neoplasm may be benign or malignant. Cancer is a malignant neoplasm.

A benign or malignant tissue growth resulting from uncontrolled cell proliferation. Benign neoplastic cells resemble normal cells without exhibiting significant cytologic atypia, while malignant cells exhibit overt signs such as dysplastic features, atypical mitotic figures, necrosis, nuclear pleomorphism, and anaplasia. Representative examples of [..]

A tumour.

New growths that should not be where they are. A tumor. An FOP lesion.

A new growth of tissue or cells; a tumor that can be referred to as benign or malignant. Neutropenia