RESUMEN
Several different techniques, radiopharmaceuticals, and imaging modalities are commonly used in nuclear medicine for studies of endocrine organs. Nuclear medicine is used in the management of benign and malignant thyroid, parathyroid, and neuroendocrine disorders. Thus, it is essential to acknowledge pitfalls and the limitations of nuclear medicine imaging for accurate diagnosis and patient management.
Asunto(s)
Endocrinología/métodos , Cintigrafía/métodos , Humanos , Tumores Neuroendocrinos/diagnóstico por imagen , Glándulas Paratiroides/diagnóstico por imagen , Enfermedades de la Tiroides/diagnóstico por imagenRESUMEN
UNLABELLED: Radioembolization with 90Y microspheres represents a novel transarterial radiation treatment for liver tumors. The purpose of this pilot study was to evaluate the findings of postimplantation PET/CT of 90Y glass microspheres. METHODS: Three patients with hepatocellular carcinoma and 2 patients with liver metastases (1 neuroendocrine, 1 colorectal) underwent PET/CT after radioembolization. Four patients underwent imaging at 1 mo to assess response and confirm PET/CT findings; 1 patient underwent PET/CT at 4 d after 90Y implantation. Patients were followed for adverse events. RESULTS: Standard PET/CT enabled the localization of 90Y glass microspheres for all patients. None of the patients experienced adverse events related to nontarget deposition. CONCLUSION: Standard PET/CT may be used to assess the localization of 90Y glass microspheres. This approach provides a simple, rapid, and universally applicable method of confirming microsphere deposition. With further validation, this technique may potentially become the standard of care for confirming microsphere distribution.