benign neoplasm

Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to benign neoplasm: malignant neoplasm

benign neoplasm

Etymology: L, benignare + Gk, neos, new, plasma, formation
a localized tumor that has a fibrous capsule, limited potential for growth, a regular shape, and cells that are well differentiated. A benign neoplasm does not invade surrounding tissue or metastasize to distant sites. Some kinds of benign neoplasms are adenoma, fibroma, hemangioma, and lipoma. Also called benign tumor. Compare malignant neoplasm.

benign neoplasm

Growth not spreading by metastases or infiltration of tissue.
See also: neoplasm


1. a tumor.
2. any new and abnormal growth, specifically one in which cell multiplication is uncontrolled and progressive. Neoplasms may be benign or malignant. Neoplasms of particular organs and of particular cell types are to be found under their individual headings, e.g. pharyngeal, adenocarcinoma.

benign neoplasm
a neoplasm having none of the characteristics of a malignant neoplasm (see below), i.e. it grows slowly, expands without metastasis, and usually does not recur.
neoplasm fever
due to extensive necrosis in rapidly growing tumors.
histoid neoplasm
a neoplasm whose cells and organization resemble those of the tissue from which it is growing.
malignant neoplasm
a neoplasm with the characteristics of anaplasia, invasiveness and metastasis.
organoid neoplasm
a neoplasm whose cellular architecture resembles that of some organ in the body.
transmissible neoplasm
a neoplasm capable of being transmitted between individuals. Includes bovine viral leukosis, avian leukosis, rous sarcoma complex, marek's disease, canine transmissible venereal tumor, squamous cell carcinoma of cattle, and canine viral papillomatosis.
References in periodicals archive ?
The differential diagnosis should include reactive lymphadenitis, lymphoma, dermoid cyst, abscess, and benign neoplasms such as hemangioma and lipoma.
Angiomyofibroblastoma of the vulva; a benign neoplasm distinct from aggressive angiomyxoma.
Adult renal neoplasm with a variable admixture of epithelial and mesenchymal components is a distinctive benign neoplasm that has recently been recognized and termed as benign mixed epithelial and stromal tumor (MEST) by Michal and Syrucek (1) and Adsay et al.
A total of 27 patients presented with a malignant tumor and 11 with a benign neoplasm.
Splenic hemangiomas are the most common benign neoplasm arising from sinusoidal epithelial cells.
Intraneural perineurioma is a benign neoplasm composed exclusively of perineurial cells restricted to the boundaries of a nerve.
With an incidence of 1 per every 3,000 live births, (1) this benign neoplasm typically presents in the third to sixth decade of life.
These latter features help distinguish this benign neoplasm from its malignant counterpart, sebaceous lymphadenocarcinoma (to be discussed later in this article).
Pleomorphic adenoma is the most common benign neoplasm of the major salivary glands, accounting for approximately 65% of all salivary gland neoplasms.
The utility of slides 2 and 3 was classified as no additional information, more accurate diagnosis, malignant neoplasm excluded, benign neoplasm or inflammatory condition diagnosed, or malignant neoplasm diagnosed.
These findings suggested the presence of a benign neoplasm of the right nasal cavity.
In this study of cases containing only normal cellular components, a diagnosis of "positive for malignant cells" and responses within the general category of "benign or negative for malignant cells" when a benign neoplasm was chosen for the second part of the diagnostic menu were considered incorrect.

Full browser ?