18F-FDG PET/CT Scan Can Predate Clinical Presentation in Acute Appendicitis

Acute appendicitis is a clinical diagnosis typically presenting with right lower quadrant pain. We describe the case of an asymptomatic 53-year-old man with stage 2A diffuse large B-cell lymphoma, who underwent F-FDG PET/CT at the completion of chemotherapy. The scan showed complete lymphomatous dis...

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Bibliographic Details
Published inClinical nuclear medicine Vol. 42; no. 9; p. e409
Main Authors Ali, Syed Zama, Yin, Loi Hoi, Kin, Khor Lih, Sinha, Arvind Kumar, Poon, Li Mei
Format Journal Article
LanguageEnglish
Published United States 01.09.2017
Subjects
Acute Disease
Appendicitis - complications
Appendicitis - diagnostic imaging
Appendicitis - metabolism
Appendicitis - pathology
Biological Transport
Fluorodeoxyglucose F18 - metabolism
Humans
Lymphoma, Large B-Cell, Diffuse - complications
Lymphoma, Large B-Cell, Diffuse - pathology
Male
Middle Aged
Neoplasm Staging
Positron Emission Tomography Computed Tomography
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Summary:Acute appendicitis is a clinical diagnosis typically presenting with right lower quadrant pain. We describe the case of an asymptomatic 53-year-old man with stage 2A diffuse large B-cell lymphoma, who underwent F-FDG PET/CT at the completion of chemotherapy. The scan showed complete lymphomatous disease remission. Incidentally, there was increased FDG uptake in a tubular structure adjacent to the cecum. Clinical examination was negative. Subsequently, the patient presented 6 days later with typical acute appendicitis symptoms. This case is interesting wherein increased FDG uptake in the appendix predated the appearance of clinical symptoms.
ISSN:1536-0229
DOI:10.1097/RLU.0000000000001750