The preliminary data suggest that MBF quantitation with a conventional SPECT/CT system and the flow quantitation method is a clinically effective approach to enhance CAD detection.
Lower LVEF, larger scar and/or more dyssynchrony assessed by MPS were related to the development of ventricular arrhythmia for patients with CRT, and further defibrillator implantation may be considered for these patients.
A 72-year-old woman was diagnosed as having a International Federation of Gynecology and Obstetrics (FIGO II) stage cervical cancer with diffuse uterus corpus invasion without evidence of rectal or urinary bladder invasion as determined by endoscopic examinations. Recently, 2 sharp elevations of serum tumor marker squamous cell carcinoma (SCC) were noted while she was receiving radiation therapy. Therefore, a PET/CT scan was performed using fluorodeoxyglucose (FDG) to restage the cervical cancer. FDG-avid cervical tumor was shown to extend into the anterior uterine wall by use of a diuretic imaging technique, which lowered tracer activity in the bladder and improved visualization of lower pelvic structures, which otherwise might have been obscured by urine-FDG activity.
Internal mammary lymph node is rare metastatic site in ovarian neoplasm. In this study, we report an ovarian carcinosarcoma with peritoneal carcinomatosis initially. Annually, whole-body FDG PET/CT is indicated during 4 years. Tiny peritoneal nodules are found on the first-time FDG PET/CT imaging. A high grade of FDG-avid internal mammary nodal activity is shown on the secondary time of FDG PET/CT imaging. Pathologic result of excision biopsy demonstrates carcinoma metastasis. On the recent imaging, significant FDG-avid peritoneal and subphrenic carcinomatosis has happened again. After surgery and chemotherapy, the patient is still followed up in clinic.
A 64-year-old woman with poor short-term memory was first suspected as early Alzheimer disease. Tc ECD brain SPECT was arranged for differential diagnosis. A small area of mild hypoperfusion was noted in the left temporal lobe on conventional display. Further statistical analysis of SPECT with an easy Z-score imaging system showed large areas of distinct hypoperfusion in left precentral and perisylvian cortical areas, compatible with typical pictures of nonfluent variant primary progressive aphasia (PPA), but no involvement in areas characteristic for Alzheimer disease. Further detailed neuropsychological examination and 6 months of clinical follow-up confirmed the final diagnosis of PPA.
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