Adenoma - A benign tumour formed from glandular structures in epithelial tissue.

 Angiofibroma

 Baker's Cyst ( --> Popliteal Cyst)

 Blue Rubber Bleb Nevus Syndrome (--> Nevus ) - Congenital skin lesion, or birthmark, caused by abnormal pigmentation or by proliferation of blood vessels and other dermal or epidermal structures.

Congenital skin lesion, or birthmark, caused by abnormal pigmentation or by proliferation of blood vessels and other dermal or epidermal structures.

 Bourneville's Disease (--> Tuberous Sclerosis )

 Breast Neoplasms

 Cancer ( --> Neoplasms) - Any of a group of related diseases characterized by uncontrolled multiplication and disorganized growth of the affected cells; it may arise in any of the body's tissues.

Any of a group of related diseases characterized by uncontrolled multiplication and disorganized growth of the affected cells; it may arise in any of the body's tissues.

 Carcinoid Tumor - A tumour of a type occurring in the glands of the intestine (especially the appendix) or in the bronchi, and abnormally secreting hormones.


A tumour of a type occurring in the glands of the intestine (especially the appendix) or in the bronchi, and abnormally secreting hormones.


 Carcinoma - A cancerous growth of surface (epithelial) tissues of the skin, digestive tract, blood vessels, and various organs. 

A cancerous growth of surface (epithelial) tissues of the skin, digestive tract, blood vessels, and various organs. 

 Carcinoma, Merkel Cell

 Cervix Dysplasia

 Choledochal Cyst

 Dermatofibroma

 Dermoid Cyst - An abnormal growth (teratoma) containing epidermis, hair follicles, and sebaceous glands, derived from residual embryonic cells.

An abnormal growth (teratoma) containing epidermis, hair follicles, and sebaceous glands, derived from residual embryonic cells.

 Desmoplastic Small Round Cell Tumor (--> Carcinoma, Small Cell)

 Digestive System Neoplasms

 Chordoma

 Epidermal Cyst

 Fibrocystic Disease of Breast - Fibrocystic disease of the breast, also called chronic cystic mastitis, or cystic disease of the breast, most often occurs in women between the ages of 30 and 50. It is characterized by benign, noncancerous cysts (harmless swellings caused by fluid trapped in breast tissues) that often increase in size and become tender during the premenstrual phase. 

Fibrocystic disease of the breast, also called chronic cystic mastitis, or cystic disease of the breast, most often occurs in women between the ages of 30 and 50. It is characterized by benign, noncancerous cysts (harmless swellings caused by fluid trapped in breast tissues) that often increase in size and become tender during the premenstrual phase. 

 Head and Neck Neoplasms

 Hamartoma - Benign tumourlike growth made up of normal mature cells in abnormal number or distribution.

Benign tumourlike growth made up of normal mature cells in abnormal number or distribution.

 Glioblastoma - A highly invasive glioma in the brain.

A highly invasive glioma in the brain.

 Leukemia - It is a potentially fatal disease of the blood-forming tissues that is encountered at all ages and in both sexes.

It is a potentially fatal disease of the blood-forming tissues that is encountered at all ages and in both sexes.

 Hemangioma - A congenital, benign tumour, made up of new-formed blood vessels of the skin.

A congenital, benign tumour, made up of new-formed blood vessels of the skin.

 Kidney, Sponge

 Hodgkin Disease - An uncommon cancer of the lymphatic system (malignant lymphoma) that usually strikes young adults and people 55 years of age or older. 

An uncommon cancer of the lymphatic system (malignant lymphoma) that usually strikes young adults and people 55 years of age or older. 

 Leiomyosarcoma

 Lentigo, Malignant ( --> Hutchinson's Melanotic Freckle) - A condition marked by small brown patches on the skin, typically in elderly people.


A condition marked by small brown patches on the skin, typically in elderly people.


 Leiomyoma - It is a tumour of smooth muscles (such as those in the walls of the intestines and of blood vessels). It is most frequently located in the uterus (womb). It have been found in the ovaries, the fallopian tubes, the alimentary canal, the bladder, and the ureters.

It is a tumour of smooth muscles (such as those in the walls of the intestines and of blood vessels). It is most frequently located in the uterus (womb). It have been found in the ovaries, the fallopian tubes, the alimentary canal, the bladder, and the ureters.

 Lipoma - Other tumours arising outside the dura include lymphomas, lipomas, and chordomas. All of these produce signs of spinal nerve root irritation, with pain and tingling, at the level of the tumour; signs of spinal cord involvement occur later.

Other tumours arising outside the dura include lymphomas, lipomas, and chordomas. All of these produce signs of spinal nerve root irritation, with pain and tingling, at the level of the tumour; signs of spinal cord involvement occur later.

 Lung Cancer ( --> Thoracic Neoplasms) - Disease characterized by uncontrolled growth of cells in the lungs.

Disease characterized by uncontrolled growth of cells in the lungs.

 Lymphangioma

 Lymphoma - Any of a group of malignant diseases of the lymphatic system usually starting in the lymph nodes or in lymphoid tissues of other organs, such as the lungs, spleen, and skin.

Any of a group of malignant diseases of the lymphatic system usually starting in the lymph nodes or in lymphoid tissues of other organs, such as the lungs, spleen, and skin.

 Lymphoma, Non-Hodgkin - Any of a group of malignant diseases of the lymphatic system usually starting in the lymph nodes or in lymphoid tissues of other organs, such as the lungs, spleen, and skin. 

Any of a group of malignant diseases of the lymphatic system usually starting in the lymph nodes or in lymphoid tissues of other organs, such as the lungs, spleen, and skin. 

 Melanoma ( --> Skin Neoplasms) - A spreading and frequently recurring cancer of specialized skin cells (melanocytes) that produce the protective skin-darkening pigment melanin.

A spreading and frequently recurring cancer of specialized skin cells (melanocytes) that produce the protective skin-darkening pigment melanin.

 Meningioma - Benign tumours arising from the meninges are called meningiomas. These occur over the convexity of the brain and on the floor of the cranium, where they compress and damage brain areas or cranial nerves and may cause seizures. They seldom raise intracranial pressure, since their slow growth gives the brain time to compensate.

Benign tumours arising from the meninges are called meningiomas. These occur over the convexity of the brain and on the floor of the cranium, where they compress and damage brain areas or cranial nerves and may cause seizures. They seldom raise intracranial pressure, since their slow growth gives the brain time to compensate.

 Mesothelioma - This, by contrast, can develop after relatively little exposure to asbestos.a cancer of mesothelial tissue, associated especially with exposure to asbestos.

This, by contrast, can develop after relatively little exposure to asbestos.a cancer of mesothelial tissue, associated especially with exposure to asbestos.

 Mouth Neoplasms

 Multiple Myeloma - Also called PLASMA CELL MYELOMA or MYELOMATOSIS malignant tumours of the bone marrow that usually occur during middle age or later. It is slightly more common in males and affects mostly the flat bones (e.g., ribs, sternum, pelvis, shoulder blades) and vertebrae.

Also called PLASMA CELL MYELOMA or MYELOMATOSIS malignant tumours of the bone marrow that usually occur during middle age or later. It is slightly more common in males and affects mostly the flat bones (e.g., ribs, sternum, pelvis, shoulder blades) and vertebrae.

 Nervous System Neoplasms - Benign tumours, usually Schwannomas on the vestibular part of the vestibulocochlear nerve, may compress the cerebellar peduncles and lead to dysfunction on one side, but malignant astrocytomas and secondary deposits from distant cancers are more common.

Benign tumours, usually Schwannomas on the vestibular part of the vestibulocochlear nerve, may compress the cerebellar peduncles and lead to dysfunction on one side, but malignant astrocytomas and secondary deposits from distant cancers are more common.

 Neurilemmoma - A cancerous growth or tumour composed of cells derived from neuroglial tissue, the material that supports and protects nerve cells. It may form in the retina of the eye, in the brain, in the heart, in the myelin sheaths of nerves (neurilemmoma), and occasionally in the sinus, where the tumour has been derived from the olfactory bulb of the brain.

A cancerous growth or tumour composed of cells derived from neuroglial tissue, the material that supports and protects nerve cells. It may form in the retina of the eye, in the brain, in the heart, in the myelin sheaths of nerves (neurilemmoma), and occasionally in the sinus, where the tumour has been derived from the olfactory bulb of the brain.

 Neuroblastoma - A malignant tumour composed of neuroblasts, most commonly in the adrenal gland.

A malignant tumour composed of neuroblasts, most commonly in the adrenal gland.

 Nephroblastoma - It is a less common, but nevertheless an important, tumour in childhood, in which other forms of cancer are less common. About half the cases occur at ages two to four, but the tumour may be present even at birth.

It is a less common, but nevertheless an important, tumour in childhood, in which other forms of cancer are less common. About half the cases occur at ages two to four, but the tumour may be present even at birth.

 Nevus - A birthmark or a mole on the skin, especially a birthmark in the form of a raised red patch.


A birthmark or a mole on the skin, especially a birthmark in the form of a raised red patch.


 Otorhinolaryngologic Neoplasms

 Papilloma - Also spelled Papilloma Virus, also called HUMAN PAPILLOMA VIRUS, any of a group of viruses belonging to the family Papovaviridae that cause warts (papillomas) and other benign tumours in humans.

Also spelled Papilloma Virus, also called HUMAN PAPILLOMA VIRUS, any of a group of viruses belonging to the family Papovaviridae that cause warts (papillomas) and other benign tumours in humans.

 Paraganglioma

 Pheochromocytoma - Also called CHROMAFFINOMA, tumour, most often nonmalignant, that causes abnormally high blood pressure because of hypersecretion of the hormones epinephrine and norepinephrine. 

Also called CHROMAFFINOMA, tumour, most often nonmalignant, that causes abnormally high blood pressure because of hypersecretion of the hormones epinephrine and norepinephrine. 

 Pilonidal Sinus

 Popliteal Cyst 

 Pseudomyxoma Peritonei

 Retinoblastoma - A rare malignant tumour of the retina, affecting young children.

A rare malignant tumour of the retina, affecting young children.

 Rhabdoid Tumor - Embedded in the epidermis of turbellarians are ovoid or rod-shaped bodies (rhabdoids) of several sorts; of uncertain function, the bodies frequently are concentrated dorsally or may be clustered anteriorly as rod tracts opening at the apex. Rhabdoids are absent in flukes and tapeworms. 

Embedded in the epidermis of turbellarians are ovoid or rod-shaped bodies (rhabdoids) of several sorts; of uncertain function, the bodies frequently are concentrated dorsally or may be clustered anteriorly as rod tracts opening at the apex. Rhabdoids are absent in flukes and tapeworms. 

 Rhabdomyosarcoma - Abnormal tissue growth located in or originating from muscle tissue. Tumours may either arise in muscle tissue or spread to it. 

Abnormal tissue growth located in or originating from muscle tissue. Tumours may either arise in muscle tissue or spread to it. 

 Sarcoma - Tumour of connective tissue (also called mesodermal, or mesenchymal, cells). This form of cancer is relatively rare in adults but is one of the more common malignancies among children; it often spreads to other tissues in the body. Sarcomas are generally divided into bone and soft-tissue tumours, the latter being much less common.

Tumour of connective tissue (also called mesodermal, or mesenchymal, cells). This form of cancer is relatively rare in adults but is one of the more common malignancies among children; it often spreads to other tissues in the body. Sarcomas are generally divided into bone and soft-tissue tumours, the latter being much less common.

 Sezary Syndrome

 Skin Neoplasms

 Teratoma - Pineal tumours are rare, occurring most often in children and young adults. The most common of these are germ cell tumours (germinomas and teratomas), which arise from embryonic remnants of germ cells. These tumours are malignant and invasive and may be life-threatening.

Pineal tumours are rare, occurring most often in children and young adults. The most common of these are germ cell tumours (germinomas and teratomas), which arise from embryonic remnants of germ cells. These tumours are malignant and invasive and may be life-threatening.

 Thoracic Neoplasms

 Thymoma - A rare, usually benign tumour arising from thymus tissue and sometimes associated with myasthenia gravis.

A rare, usually benign tumour arising from thymus tissue and sometimes associated with myasthenia gravis.

 Wilms' Tumor ( --> Nephroblastoma) - Also called EMBRYOMA, malignant renal (kidney) tumour of early childhood.symptoms may indicate fever, distortion of the kidney mass, evidence of secondary tumours elsewhere in the body, abdominal and flank pain, weight loss, nausea, loss of appetite, and vomiting.

Also called EMBRYOMA, malignant renal (kidney) tumour of early childhood.symptoms may indicate fever, distortion of the kidney mass, evidence of secondary tumours elsewhere in the body, abdominal and flank pain, weight loss, nausea, loss of appetite, and vomiting.

 Tuberous Sclerosis

 Urogenital Neoplasms

 Uterine Fibroids ( --> Leiomyoma) - Uterine fibromyomas (fibroids) are the most frequent cause of enlargement of the uterus.
Uterine fibromyomas (fibroids) are the most frequent cause of enlargement of the uterus.