Radiology Key

Fig. 5.1 99mTC-HMPAO brain death scintigraphy in a 16-year-old female with cardiac arrest and clinically brain death. There was no evidence of brain perfusion on perfusion images (a). No cerebral…

Fig. 14.1 Rhabdomyosarcoma. This patient presented with severe back pain, which proved to be secondary to metastatic RMS. Clinical work-up led to an FDG PET/CT (a–i). The MIP image (a)…

Fig. 8.1 99mTc-MDP scan. (a): Whole-body anterior and posterior views of a 10-year-old male. Left leg correctly positioned shows well-defined tibia and fibula; right leg slightly extra rotated, due to…

Fig. 16.1 A 9-year-old female presented with a mass in L side of the neck. US (a): Mass L side isthmus: microcalcification, increased vascularity, and patchy heterogeneous echogenicity in remainder…

Fig. 3.1 Anterior (left) and posterior (right) planar scintigraphy of a child with papillary thyroid carcinoma performed 72 h after treatment with 3.0 GBq 131I-sodium iodide. Uptake in the left…

Tumour stage Description 1 Localized tumour with complete gross excision, with or without microscopic residual disease; representative ipsilateral lymph nodes negative for tumour microscopically. Nodes attached to and removed with…

Stage I Involvement of a single lymphatic site (I) or a single extralymphatic organ (IE) Stage II Involvement of two or more lymph node regions (II) or localized involvement of…

Fig. 10.1 Female, 3 months. MAG3 diuretic renography (protocol F+2). No washout even after micturition. Typical ascending pattern of the right renographic curve. Obstruction of the right pyelo-ureteral junction Furosemide…

Infratentorial tumors Astrocytoma Medulloblastoma Ependymoma Brainstem glioma Supratentorial tumors Intraparenchymal Astrocytoma Ependymoma Ganglioglioma/ganglioglioma Desmoplastic neuroepithelial tumor (DIG) Primitive neuroectodermal tumor (PNET) Rhabdoid tumors Atypical teratoid/rhabdoid tumors Sellar/suprasellar Craniopharyngioma Astrocytoma Rathke…

Fig. 7.1 Thyroid ectopy Fig. 7.2 Thyroid agenesis On the other side, 123I can be of more difficult availability and of higher costs. It is trapped and organified by the…