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68Ga-PSMA-11 uptake in tracheal mucus plug – a potential pitfall
Kunal Ramesh Chandekar,Apurva Sood,Kumar Rajender,Singh Harmandeep,Shrawan Kumar Singh 대한핵의학회 2022 핵의학 분자영상 Vol.56 No.1
Prostate-specific membrane antigen (PSMA) PET/CT is a well-acclaimed imaging modality for prostate cancer (PCa). However, many reports have highlighted PSMA radioligand uptake in a variety of benign tumors and lesions. We report a case of PCa in which 68 Ga-PSMA-11 uptake was noted in the tracheal lumen. However, 18F-PSMA-1007 PET/CT was done on a subsequent day, which demonstrated no abnormal radiotracer uptake or morphological lesion within the tracheal lumen. This case highlights an uncommon finding of PSMA ligand uptake in a tracheal mucus plug (non-prostatic benign uptake), which may be misinterpreted as a false-positive finding.
Groove Pancreatitis Masquerading as Pancreatic Carcinoma—Detected on 18F-FDG PET/CT
Ashwin Singh Parihar,Bhagwant Rai Mittal,Shelvin Kumar Vadi,Apurva Sood,Rajender Kumar,Usha Dutta 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.6
Groove pancreatitis is a rare form of chronic pancreatitis that affects the groove area adjacent to the second part of the duodenum. Clinical and biochemical features often overlap with other subsets of chronic pancreatitis, while the imaging features resemblethat of carcinoma of the head of pancreas. We present a 38-year-old man with abdominal pain, nausea, vomiting, and loss ofweight who underwent 18F-FDG PET/CT to rule out a pancreatic malignancy. PET/CT imaging features of groove pancreatitisare distinct from the other subsets of chronic pancreatitis, such as alcoholic and autoimmune pancreatitis, and helpful in thediagnosis and planning further management of the patient.