Liver-lung scan in the diagnosis of right subphrenic abscess

Henry M. Middleton, Dennis D. Patton, Anastacio M. Hoyumpa, Steven Schenker

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


To assess the value of liver-lung scanning in the diagnosis of right subphrenic abscess, 148 scans were reviewed against corresponding charts. Of 91 scans with adequate clinical data, overall scanning error was 19.3% with 14 false positive and 3 false negative scans. Among 49 scans (of the initial group of 91 studies) with presence or absence of actual pathology proved by surgery and/or autopsy, there were 3 true positive, 12 false positive, 29 true negative, and 3 false negative scans. Analysis of data indicated (1) lower accuracy of scan interpretation than generally reported, (2) low specificity for positive scans and high specificity for negative scans, (3) correlation of false interpretations with atypical degrees of liver-lung separation and with scanning defects in liver and lung, and (4) failure of rereading significantly to improve accuracy of interpretation.

Original languageEnglish (US)
Pages (from-to)215-222
Number of pages8
JournalThe American Journal of Digestive Diseases
Issue number3
StatePublished - Mar 1976
Externally publishedYes

ASJC Scopus subject areas

  • Gastroenterology


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