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A 49-year-old woman from Cameroon presented with history of several months of worsening headache, lethargy, left arm weakness, and generalized lymphadenopathy. Brain MRI demonstrated multifocal signal abnormality and enhancement involving the bilateral basal ganglia and cerebral white...
Pineal region metastases are very rare, occurring in 0.4% to 3.8% of patients with solid tumors and most frequently arise from a lung cancer primary tumor. We present a case of a 67-year-old man with a gastric well-differentiated neuroendocrine tumor (NET) metastatic to the pineal gland...
A 65-year-old man with treated prostate adenocarcinoma underwent 68Ga-PSMA-11 PET/CT scan for restaging due to significantly increased serum PSA levels. PET/CT showed bilateral adrenal masses with high 68Ga-PSMA-11 uptake. There was no other lesion suspicious for metastasis. The...
Ectopic differentiated thyroid carcinoma represents less than 1% of all thyroid carcinoma cases, which usually arises along the cervical midline, and (delving into literature) there are scarce reports of such entity in nuclear medicine imaging studies. We present a rare case of a...
A 64-year-old man was referred because of the right ureteral obstruction. CT urography showed an intraluminal enhancing mass in the right midureter and an enhancing nodule in the bladder wall. FDG PET/CT showed increased FDG uptake of the ureteral mass and an unexpected hypermetabolic...
Myeloid sarcoma (MS) is a rare neoplasm of leukemic cells that infiltrates an extramedullary soft tissue. MS may present at initial diagnosis of any myeloproliferative disease or relapse after treatment. It is most commonly associated with acute myeloid leukemia. The incidence of...
Appendiceal neuroendocrine tumor is very rare, and it is difficult to make a definite diagnosis before operation due to absence of specific clinical features. We report the 18F-FDG PET/CT findings in a patient with an appendiceal neuroendocrine tumor.
Acute mesenteric ischemia resulting in bowel necrosis is a surgical emergency. First identification of acute mesenteric ischemia with FDG PET/CT is uncommon, because patients with bowel ischemia are usually diagnosed by other imaging methods such as CT. Nevertheless, prompt imager...
Herein we present 2 mCRPC (metastatic castration-resistant prostate cancer) patients who underwent 68Ga-PSMA PET/CT for PSMA-targeted radioligand therapy eligibility. Prior studies have noted aggressive clinical behavior and poor prognosis associated with discordant FDG positivity and...
Prostate-specific membrane antigen (PSMA) PET/CT is a highly reliable nuclear tracer for diagnostic imaging of prostate cancer. However, PSMA is also expressed by some nonprostatic tissues such as benign tumors, inflammatory processes, and malignant neoplasms. This case presents a...
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