PMID: 2508356Jul 1, 1989Paper

Scintigraphic diagnosis of esophageal involvement in systemic sclerosis (scleroderma)

Zeitschrift für Rheumatologie
C A von MühlenJ Cutin

Abstract

Motor function disturbances (MFD) of the esophagus occur in the majority (90%) of patients with systemic sclerosis. We have tested the diagnostic value of esophagus scintigraphy in 20 patients with systemic sclerosis (12 CREST and 8 with diffuse form) and 18 controls (11 normals and 7 with pyrosis and/or regurgitation), in order to establish sensitivity, specificity, effects of body posture, and use of a liquid or solid meal in the evaluation of MFD of the esophagus. The patients drank 4 ml of fruit juice marked with 500 microCi of 99mTc-sulfur-colloid and afterwards 10 g of an equally marked and scrambled egg. Pictures were made with a Gamma-Camera until 180 s. Radioactivity was plotted against time and separately analysed for the upper, middle and distal esophagus. 65% of the systemic sclerosis patients had dysphagia and 70% had abnormal barium meal transit in the esophagus. The scintigrams were altered in all the patients with systemic sclerosis (p less than 0.001). Sensitivity using fluids was 95%, and specificity was 89%; with solid food 100% and 50%, respectively. Tests done in the upright position showed a better clearance of the esophagus in patients with systemic sclerosis and control patients, with loss of sensitivity...Continue Reading

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