"Incidental" splenic abnormalities are those discovered unrelated to original purpose of examination
Incidental splenic lesions can pose diagnostic dilemma, as imaging characteristics of both benign and malignant splenic lesions are nonspecific and can overlap
ACR Recommendations 2013
Incidental findings committee provided recommendations for management of incidentally discovered splenic masses using clinical history, prior imaging exam data, and imaging findings
Recommendations based on expert opinion and published evidence
Since vast majority of splenic lesions are benign and demonstrate relatively similar imaging features on both CT and MR, goal is to risk stratify and identify those lesions that require further work-up (rather than necessarily provide specific diagnosis)
IMAGING ANATOMY
Common Benign Splenic Lesions
Common Malignant Splenic Lesions
CLINICAL IMPLICATIONS
Major Principles of 2013 ACR Management Algorithm
Summary of 2013 ACR Management Algorithm
Selected References
Wei PK et al: Incidental splenic findings on cross-sectional imaging. Radiol Clin North Am. 59(4):603-16, 2021
Heller MT et al: Managing incidental findings on abdominal and pelvic CT and MRI, part 3: white paper of the ACR incidental findings committee II on splenic and nodal findings. J Am Coll Radiol. 10(11):833-9, 2013
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging Features
2017 ACR Management System
TERMINOLOGY
Definitions
"Incidental" splenic abnormalities are those discovered unrelated to original purpose of examination
Incidental splenic lesions can pose diagnostic dilemma, as imaging characteristics of both benign and malignant splenic lesions are nonspecific and can overlap
ACR Recommendations 2013
Incidental findings committee provided recommendations for management of incidentally discovered splenic masses using clinical history, prior imaging exam data, and imaging findings
Recommendations based on expert opinion and published evidence
Since vast majority of splenic lesions are benign and demonstrate relatively similar imaging features on both CT and MR, goal is to risk stratify and identify those lesions that require further work-up (rather than necessarily provide specific diagnosis)
IMAGING ANATOMY
Common Benign Splenic Lesions
Common Malignant Splenic Lesions
CLINICAL IMPLICATIONS
Major Principles of 2013 ACR Management Algorithm
Summary of 2013 ACR Management Algorithm
Selected References
Wei PK et al: Incidental splenic findings on cross-sectional imaging. Radiol Clin North Am. 59(4):603-16, 2021
Heller MT et al: Managing incidental findings on abdominal and pelvic CT and MRI, part 3: white paper of the ACR incidental findings committee II on splenic and nodal findings. J Am Coll Radiol. 10(11):833-9, 2013
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