In addition to gastroenteropancreatic neuroendocrine neoplasms, a wide variety of tumors express somatostatin receptors. Somatostatin receptor imaging, heavily utilized in neuroendocrine oncology, may also have utility in the diagnosis of other neoplasms and raises the possibility of potential therapeutic options. We describe the case of a 60-year-old man who underwent 68Ga-DOTATATE PET/CT, demonstrating an avid invasive pituitary macroadenoma. This mass was persistent and refractory despite traditional treatment options. Because of the avidity, 177Lu-DOTATATE therapy was offered, although not ultimately performed, demonstrating a potential treatment for challenging cases utilizing the principles of theranostics.
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http://dx.doi.org/10.1097/RLU.0000000000003589 | DOI Listing |
Clin Nucl Med
November 2024
From the Department of Nuclear Medicine, Ankara Etlik City Hospital, Ankara, Turkiye.
A 39-year-old woman with bilateral carotid body tumors was referred to 68Ga-DOTATATE PET/CT for further evaluation. Unknown metastatic sites with increased 68Ga-DOTATATE uptake were detected in the left cervical lymph node, liver, and bone. Carotid body paragangliomas (CBPs) represent less than 0.
View Article and Find Full Text PDFClin Nucl Med
November 2024
From the Department of Nuclear Medicine.
Purpose: We aimed to compare the diagnostic performance of 68Ga-FAPI-04 (FAPI) in comparison to 68Ga-DOTATATE (SSTR) PET/CT for patients presenting with recurrent medullary thyroid carcinoma (MTC).
Patients And Methods: Sixteen MTC patients with elevated calcitonin levels (>150 pg/mL) underwent FAPI and SSTR PET/CT. Two nuclear medicine physicians evaluated all images, categorizing lesions into locoregional metastases, mediastinal lymph nodes (LNs), liver, and bone metastases.
Clin Nucl Med
February 2025
From the Department of Nuclear Medicine.
Purpose: We aimed to compare the diagnostic performance of 68Ga-FAPI-04 (FAPI) in comparison to 68Ga-DOTATATE (SSTR) PET/CT for patients presenting with recurrent medullary thyroid carcinoma (MTC).
Patients And Methods: Sixteen MTC patients with elevated calcitonin levels (>150 pg/mL) underwent FAPI and SSTR PET/CT. Two nuclear medicine physicians evaluated all images, categorizing lesions into locoregional metastases, mediastinal lymph nodes (LNs), liver, and bone metastases.
Clin Nucl Med
February 2025
From the Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China.
Purpose: The aim of this study was to compare the clinical application value of 68 Ga-DOTATATE and 18 F-FDG PET/CT in Epstein-Barr virus (EBV)-positive nonkeratinizing nasopharyngeal carcinoma.
Patients And Methods: Patients underwent 18 F-FDG and 68 Ga-DOTATATE PET scans. The lesion numbers, tracer parameters, and primary tumor volume derived from contrast-enhanced MRI, 18 F-FDG, and 68 Ga-DOTATATE PET were compared.
Clin Nucl Med
December 2024
From the Department of Nuclear Medicine, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey.
Neuroblastoma is the most common malignancy in infants and the most common extracranial solid tumor accounting for approximately 6% of pediatric cancer. Although surgical intervention serves as the primary treatment for early-stage disease, advanced-stage cases necessitate a variety of oncologic therapeutic approaches, including 131I-MIBG and peptide receptor radionuclide therapy. Herein we report incidental pineal gland activity, represented in 68Ga-DOTATATE PET/CT (SSTR-PET) in 3 pediatric patients diagnosed with stage 4 neuroblastoma, related to the physiological distribution of radiopharmaceuticals.
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