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Nodule (medicine)

In medicine, a nodule refers to a small aggregation of cells.

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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.

Examples

v • d • e Pathology: Cancer, Tumors, neoplasia, and oncology (C00-D48, 140-239)
Benign tumors	Hyperplasia - Cyst - Pseudocyst - Hamartoma - Benign tumor
Malignant progression	Dysplasia - Carcinoma in situ - Cancer - Metastasis
Topography	lip, oral cavity and pharynx: Oral - Head/Neck - Nasopharyngeal digestive system: tract (Esophagus, Stomach, Small intestine, Colon/rectum, Appendix, Anus) - glands (Liver, Bile duct, Gallbladder, Pancreas) respiratory system: Larynx - Lung bone, articular cartilage, skin, and connective tissue: Bone - Skin - Blood urogenital: breast and female genital organs (Breast, Vagina, Cervix, Uterus, Endometrium, Ovaries) - male genital organs (Penis, Prostate, Testicles) - urinary organs (Kidney, Bladder) nervous system: Eye - Brain endocrine system: Thyroid (Papillary, Follicular, Medullary, Anaplastic) - Adrenal tumor (Adrenocortical carcinoma, Pheochromocytoma) - Pituitary
Misc.	Tumor suppressor genes/oncogenes - Staging/grading - Carcinogenesis - Carcinogen - Research - Paraneoplastic syndrome - List of oncology-related terms