Diseases

Diseases

Contributors in Diseases

Diseases

A usually benign glandular tumor composed of oxyphil cells, large cells with small irregular nuclei and dense acidophilic granules due to the presence of abundant mitochondria. Oxyphil cells, also ...

choroid plexus papilloma

Health care; Diseases

A usually benign neoplasm that arises from the cuboidal epithelium of the choroid plexus and takes the form of an enlarged choroid plexus, which may be associated with oversecretion of CSF. The tumor ...

chondroblastoma

Health care; Diseases

A usually benign tumor composed of cells which arise from chondroblasts or their precursors and which tend to differentiate into cartilage cells. It occurs primarily in the epiphyses of adolescents. ...

myoepithelioma

Health care; Diseases

A usually benign tumor made up predominantly of myoepithelial cells.

pheochromocytoma

Health care; Diseases

A usually benign, well-encapsulated, lobular, vascular tumor of chromaffin tissue of the adrenal medulla or sympathetic paraganglia. The cardinal symptom, reflecting the increased secretion of ...

carcinoid tumor

Health care; Diseases

A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a ...

bronchogenic cyst

Health care; Diseases

A usually spherical cyst, arising as an embryonic out-pouching of the foregut or trachea. It is generally found in the mediastinum or lung and is usually asymptomatic unless it becomes infected.