Paragangliomas (PGLs) are neuroendocrine tumors originating from the neural crest. They usually arise from the adrenal medulla and sympathetic or parasympathetic ganglions. Approximately 10% of PGLs are located in the extra-adrenal gland. Renal PGL is a rare condition. In this case report, we present the F-fluorodeoxyglucose positron emission tomography/computed tomography (PET/CT) and Ga-DOTATATE PET/CT findings of polycystic kidney-derived PGL.
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http://dx.doi.org/10.4274/mirt.galenos.2024.03264 | DOI Listing |
Int J Radiat Oncol Biol Phys
December 2024
Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, Ohio. Electronic address:
Background: Meningiomas are the most common primary intracranial tumor. Somatostatin receptor 2 (SSTR 2) is almost universally expressed in meningioma tissue. For patients who require adjuvant radiation, SSTR based (68)Ga-DOTATATE positron emission tomography (PET) imaging can detect additional or residual disease not discernible on magnetic resonance imaging (MRI).
View Article and Find Full Text PDFWorld J Nucl Med
December 2024
Radiation Medicine Centre, Bhabha Atomic Research Centre, Tata Memorial Hospital Annexe, Mumbai, Maharashtra, India.
Insulinoma is a relatively uncommon pancreatic neuroendocrine tumor, with approximately 10% of the cases being malignant. Diabetes mellitus (DM) with concurrent insulinoma is very rare and the diagnosis of such condition is easily missed as it can be misconstrued as improved glycemic control. Therefore, persistent hypoglycemic symptoms even after stopping antidiabetic medications may be considered for insulinoma.
View Article and Find Full Text PDFWorld J Nucl Med
December 2024
Radiation Medicine Centre, Bhabha Atomic Research Centre, Mumbai, Maharashtra, India.
We present a rare case of physiological uptake of [ Lu]Lu-DOTATATE in the gallbladder, observed post-therapy, in a 47-year-old man with grade I duodenal neuroendocrine tumor (NET), despite no uptake being observed pre-therapy in the somatostatin receptor-positron emission tomography. On planar scintigraphy, the gallbladder uptake could have been misidentified as liver metastasis. By utilizing single photon emission computed tomography/computed tomography imaging, we were able to precisely localize the tracer and obtain anatomical morphological characteristics, thereby averting the potential for misinterpretation of liver metastasis resulting from the gallbladder's physiological uptake of [ Lu]Lu-DOTATATE in NET patients.
View Article and Find Full Text PDFWorld J Nucl Med
December 2024
Radiation Medicine Centre, Bhabha Atomic Research Centre, Tata Memorial Hospital Annexe, Jerbai Wadia Road, Parel, Mumbai, India.
Patients of head and neck squamous cell carcinoma (HNSCC) experience increased risk of developing second primary cancer (SPC) necessitating active surveillance during their disease course. SPCs are associated with poor prognosis and are the leading cause of long-term morbidity and mortality impacting survival of patients with HNSCC. Small cell neuroendocrine carcinoma (SmNEC) is a rare but aggressive neoplasm with poor prognosis and high risk of local recurrence and distant metastasis.
View Article and Find Full Text PDFDiabetes Metab Syndr Obes
November 2024
Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
Background: Ectopic cortisol-producing adrenocortical adenoma (ECPA) is extremely rare, with only a few cases reported. Retroperitoneal schwannoma is also uncommon, accounting for only 0.7-5% of all schwannomas.
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