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Conventional and molecular imaging in sickle cell disease
Conclusions: Central nervous system: About 25% of SCD patients are affected by vascular involvement of central nervous system. CT scan has been used to detect cerebral infarction. Subclinical cranial MRI lesions yield important predictive values as a risk factor of stroke, even when detected in asymptomatic patients. SPECT is a useful technique for early detection of deficits in cerebral perfusion in patients with SCD. Decreases in cerebral perfusions may lead to silent infarction, stroke, or neurocognitive diseases. PET may improve sensitivity in detection of impaired metabolism in the area surrounding a major vessel infa...
Source: Journal of Nuclear Medicine - May 18, 2021 Category: Nuclear Medicine Authors: Taghvaei, R., Sirous, R., Raynor, W., Amanullah, A., Werner, T., Revheim, M.-E., Hoilund-Carlsen, P. F., Alavi, A. Tags: General Clinical Specialties Source Type: research

F-18 FDG PET/CT in Management of Necrotizing Otitis Externa
1157Objectives: Necrotizing otitis externa (NOE), also referred to as "malignant otitis externa," is an uncommon complication of external ear canal infections, resulting in skull base osteomyelitis. Multiple pathogens have been implicated, the most common of which is Pseudomonas aeruginosa. Risk factors include diabetes, advanced age, and immunocompromised status. Clinical features include unremitting otalgia, otorrhea, headache, and cranial nerve involvement. Treatment consists of prolonged parenteral antibiotics and selective surgical debridement. Inadequate treatment of NOE is associated with significant morbidities, in...
Source: Journal of Nuclear Medicine - May 14, 2020 Category: Nuclear Medicine Authors: Thorsness, S., Friedman, N., Moore, D., Cohen, E., Reddy, S. Tags: Educational Exhibits Poster Session I Source Type: research

Value of SPECT/CT over planar imaging during Tc-99m MDP triple phase bone scintigraphy for detection of osteomyelitis in patients with stage IV pressure ulcers
Conclusion: SPECT/CT imaging has a significant added diagnostic value over planar imaging in accurately detecting osseous involvement with stage IV pressure ulcers. It significantly reduced equivocal results by accurate uptake localization, reducing false positive results due to other associated pathologies and reducing false negative results due to overlap by other structures or difficult patient positioning.
Source: Journal of Nuclear Medicine - May 14, 2020 Category: Nuclear Medicine Authors: Nasr, H., Alfawzan, T., Alqarni, A., Farghaly, H. Tags: Infection/Pulmonary/Outcomes (Poster Session) Source Type: research