en Radiation Biology Radiation Biology مطالعه موردي Case Report <div style="text-align: justify;"><span style="font-size:10pt"><span style="text-justify:newspaper"><span style="text-kashida-space:50%"><span style="line-height:119%"><span style="font-family:Calibri"><span style="color:black"><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-US">Natural Cat scratch disease is caused by the infection of Bartonella henselae after a cat scratch, bite, or close contact, and mainly presents with skin lesions and swollen lymph nodes in the drainage area. Herein, we report a 71-year-old female cat scratch disease patient who initially presented with low fever and enlarged lymph nodes on the left side of her neck, who underwent fluorine-18 labeled fluorodeoxyglucose positron emission tomography/computed tomography for suspected lymphoma. As increased fluorodeoxyglucose uptake can indicate inflammation or tumor, and lymph node enlargement accompanied by abnormal metabolism can mimic lymphoma or other diseases, the diagnosis of cat scratch disease is difficult. Its diagnosis should be indicated when unilateral lymphadenopathy is accompanied by abnormally high metabolic uptake of fluorodeoxyglucose.</span></span></span></span></span></span></span></span></span></span></div> Cat scratch disease, 18F-FDG, PET/CT, lymphoma. 883 885 http://ijrr.com/browse.php?a_code=A-10-1-994&slc_lang=en&sid=1 X. Hu 7900319475328460022755 7900319475328460022755 No Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, PR China, 563003 H. Hu 7900319475328460022756 7900319475328460022756 No Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, PR China, 563003 R. Yu 7900319475328460022757 7900319475328460022757 No Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, PR China, 563003 X. Cai 7900319475328460022758 7900319475328460022758 No Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, PR China, 563003 P. Yang 7900319475328460022759 7900319475328460022759 No Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, PR China, 563003 J. Cai jiong_cai@163.com 7900319475328460022760 7900319475328460022760 Yes Department of Nuclear Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, PR China, 563003