Radiology Lexicon

Last uploaded: November 19, 2024
Preferred Name

lung mass
Synonyms

mass

Definitions

Radiographs and CT scans.—A mass is any pulmonary, pleural, or mediastinal lesion seen on chest radiographs as an opacity greater than 3 cm in diameter (without regard to contour, border, or density characteristics). Mass usually implies a solid or partly solid opacity. CT allows more exact evaluation of size, location, attenuation, and other features. (See also nodule.) [Fleischner Society] In the lung, mass is defined as greater than 30mm in size.

ID

http://www.radlex.org/RID/RID39056

Anatomical_Site

http://www.radlex.org/RID/RID1301

Definition

Radiographs and CT scans.—A mass is any pulmonary, pleural, or mediastinal lesion seen on chest radiographs as an opacity greater than 3 cm in diameter (without regard to contour, border, or density characteristics). Mass usually implies a solid or partly solid opacity. CT allows more exact evaluation of size, location, attenuation, and other features. (See also nodule.) [Fleischner Society] In the lung, mass is defined as greater than 30mm in size.

label

RID39056

Preferred_name

lung mass

prefixIRI

RID1:RID39056

prefLabel

lung mass

Synonym

mass

subClassOf

http://www.radlex.org/RID/RID43412

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