Document Detail

Impact of newer generation multidetector computed tomography on the diagnosis of abscesses in the head and neck.
MedLine Citation:
PMID:  21777553     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To understand how newer generation multidetector computed tomographic (NGCT) scanner technology (≥ 16 slices) has affected the imaging characteristics of head and neck abscesses.
DESIGN: Retrospective chart review.
SETTING: Tertiary referral centre.
METHODS: Forty-eight patients with a head and neck abscess who underwent a soft tissue neck computed tomographic (CT) scan were identified from September 1, 2001, to December 1, 2008. The degree of rim enhancement, delta (Δ), was graded using mean Hounsfield units (HU) from five peripheral points and five central points from a representative CT slice. The difference was then calculated and compared between older generation computed tomography (OGCT; < 16 slices) and newer generation multidetector computed tomography (NGCT; ≥ 16 slices) using the Student t-test. A p value < .05 was considered significant.
RESULTS: Forty-eight patients met our inclusion criteria. Of these, 20 were scanned with OGCT and 28 were scanned with NGCT. The mean peripheral point values were OGCT  =  78 HU (95% CI 71-86 HU), NGCT  =  74 HU (95% CI 68-80 HU); p  =  .3. The mean central point values were OGCT  =  24 HU (95% CI 21-28 HU), NGCT  =  26 HU (95% CI 21-31 HU), p  =  0.7. The mean delta values (mean peripheral HU--mean central HU) were OGCT  =  52 HU (95% CI 43-61 HU), NGCT  =  46 HU (95% CI 41-52 HU), p  =  .2.
CONCLUSION: There is no significant difference between OGCT and NGCT in the amount of rim enhancement seen on CT scans of head and neck abscesses.
John J W Cho; Vishal Anand; Luke Rudmik; John T Lysack; Joseph C Dort
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale     Volume:  40     ISSN:  1916-0216     ISO Abbreviation:  J Otolaryngol Head Neck Surg     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-07-22     Completed Date:  2012-01-03     Revised Date:  2014-07-30    
Medline Journal Info:
Nlm Unique ID:  101479544     Medline TA:  J Otolaryngol Head Neck Surg     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  337-42     Citation Subset:  IM    
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MeSH Terms
Abscess / radiography*
Aged, 80 and over
Diagnosis, Differential
Follow-Up Studies
Middle Aged
Multidetector Computed Tomography / methods*
Reproducibility of Results
Retrospective Studies
Staphylococcal Infections / radiography*
Streptococcal Infections / radiography*
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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