Document Detail

Incidental extracolonic findings at CT colonography.
MedLine Citation:
PMID:  10796907     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To determine the frequency of extracolonic findings at computed tomographic (CT) colonography and the effect of these findings on subsequent patient treatment and cost. MATERIALS AND METHODS: Conventional transverse CT colonographic scans in 264 consecutive patients were evaluated independently by two radiologists. Extracolonic findings were classified as having high, moderate, or low clinical importance. The effect of CT findings on patient treatment was assessed with chart review. The cost of additional examinations was calculated by using 1999 Medicare reimbursements. RESULTS: Thirty (11%) patients had highly important extracolonic findings, which resulted in further examinations in 18 (7%) patients, including ultrasonography in 10, CT in 13, and intravenous pyelography in one. Six patients underwent surgery because of incidentally discovered CT colonographic findings. Two patients with findings of moderate or low importance underwent additional imaging. A total of $7,324 was required for work-up for extracolonic findings (mean of an additional $28 per examination). Three extracolonic malignancies were overlooked at CT colonography. CONCLUSION: Additional work-up of extracolonic CT colonographic findings was relatively infrequent but was often worthwhile when performed for lesions classified as highly important. The evaluation of extracolonic structures at CT colonography has definite limitations with regard to solid organs but can help detect serious disease without substantially increasing the cost per patient.
A K Hara; C D Johnson; R L MacCarty; T J Welch
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Radiology     Volume:  215     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  2000 May 
Date Detail:
Created Date:  2000-05-23     Completed Date:  2000-05-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  353-7     Citation Subset:  AIM; IM    
Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA.
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MeSH Terms
Abdomen / ultrasonography
Adrenal Gland Diseases / radiography
Aged, 80 and over
Aortic Aneurysm, Abdominal / radiography,  ultrasonography
Colon / radiography*
Follow-Up Studies
Health Care Costs
Hernia, Inguinal / radiography
Kidney Neoplasms / radiography
Medicare / economics
Middle Aged
Pneumothorax / radiography
Radiography, Abdominal / economics
Retrospective Studies
Solitary Pulmonary Nodule / radiography
Tomography, X-Ray Computed* / economics
United States

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