For VUR, a micturating cysto-urethrogram MCUG provides important anatomical information, while indirect cystography is a well-tolerated procedure which has a low radiation dose.
Incidental renal masses are being increasingly identified on advanced imaging modalities, more so with present-generation multi-slice CT scanners. A renal pseudotumour due to a prominent column of Bertin shows uptake of Tcm DMSA, while renal tumours show no uptake. The interventional radiologist may be assisted by functional imaging.
Hybrid SPECT/CT Imaging in Clinical Practice | Taylor & Francis Group
Similarly, the use of metabolic information can reduce sampling errors. Managing gastrointestinal bleeding is challenging when endoscopy is negative, or difficult to interpret owing to large amounts of intraluminal blood. Angiography and embolisation of bleeding sites can be assisted by localisation of gastrointestinal bleeding sites using [Tcm]-labelled red blood cells Fig.
Even localisation limited to the major artery involved prior to angiography can assist with catheter placement. The growing utilisation of targeted radiotherapy for palliation of inoperable liver lesions requires close collaboration between the interventional radiologist, who places the catheter in the hepatic artery, and the nuclear medicine physician, who administers the therapy, after scintigraphically confirming correct positioning. Taking a complementary rather than an exclusive approach allows for the optimal utilisisation of the diverse spectrum of imaging technologies available.
This philosophy is being practised increasingly with the advent of hybrid imaging, and the resulting interdependence of these disciplines. A good understanding of the strengths and weaknesses of the different modalities available is needed to achieve this goal. It is the duty of imaging specialists to develop approaches to clinical problems that are better integrated, provide improved care, diagnostic accuracy, and cost-effectiveness. The optimal utilisation of all imaging modalities, including their complementary strengths, differing availability, and cost considerations, is arguably the single most important challenge to all diagnostic imaging clinicians.
Blamire AM. The technology of MRI — the next 10 years? Br J Radiol ;81 Cheson BD. Role of functional imaging in the management of lymphoma. J Clin Oncol ;29 14 Contemporary nuclear medicine imaging of neuroendocrine tumours. Clin Radiol ;67 11 T1-weighted magnetic resonance imaging in breast cancer vertebral metastases: Changes on treatment and correlation with response to therapy.
Clin Radiol ;53 7 Whole-body diffusion-weighted MRI.
Eur J Radiol ;70 3 Pediatric osteomyelitis: A scintigraphic case-based review. Radiographics ;32 3 Positron emission tomography as a diagnostic tool in infection: Present role and future possibilities. Semin Nucl Med ; J Intern Med ; 4 Current trends in imaging evaluation of acute cholecystitis. Emerg Radiol ;10 5 Coulthard MG. BMJ ; Single photon emission computed tomography and renal pseudotumor. Clin Nucl Med ;10 7 Oncology Due to its high sensitivity, PET— using the glucose analogue [F] flourodeoxyglucose FDG — is transforming the diagnosis and management of many malignancies.
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Patient with a mass on the greater curve of the stomach on gastroscopy. Histology showed a NET. Whole body somatostatin-receptor imaging with [Tcm] Tekrotyd shows disease restricted to the stomach lesion and a lymph node. These are shown on CT with calcification in the stomach lesion, as well as incidental liver and left kidney cysts. A A patient with left foot pain, identified as having accessory navicular bones in both feet on X-ray.
Advances in data handling, image processing, and reconstruction will yield quantitative data, similar to those acquired in PET. I suspect that this will be in neurodegenerative disease," he said.
ECR Hybrid techniques make giant strides in clinical practice. Images show carcinoma at the esophagogastric junction before therapy pre therapy and after two cycles of chemotherapy post therapy. The image after two cycles of chemotherapy demonstrates complete metabolic response. Image courtesy of Dr. Gerald Antoch. Optimizing workflow and streamlining costs depends on training hybrid imaging specialists, according to Dr.
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