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Inguinal Herniation of Urinary Bladder on F-18 Sodium Fluoride (NaF) PET-CT
Sharjeel Usmani,Fahad Marafi,Najeeb Ahmed,Nafisah kazem 대한핵의학회 2017 핵의학 분자영상 Vol.51 No.4
Inguinal herniation of urinary bladder is uncommon and usually an incidental finding in asymptomatic patients. In some of these patients, residual urine volume and consequently, urinary tracer activity can be higher in the herniated bladder than the native bladder, in which case interpretation can be challenging on conventional planar imaging.We describe an interesting case of physiological activity in a herniated bladder simulating a Btear-drop^. This case serves an important reminder that whilst F-18NaF PET-CT has a similar spectrum of urinary activity to conventional bone scintigraphy; morphological correlation on hybrid imaging is invaluable in ensuring the physiological nature of uptake.
Iftikhar Ahmad,Sharjeel Ahmed,Tayyab Subhani,Khalid Saeed,Mohammad Islam,Nannan Wang,Yanqiu Zhu 한국물리학회 2016 Current Applied Physics Vol.16 No.12
Synergic role of 2 wt% MWCNTs and 5 wt% SiC nanoparticles on the structure and properties of the hybrid alumina nanocomposites fabricated through fast sintering route was studied. The hybrid nanocomposite demonstrated fourfold reduced grain size with substantial improvement in fracture toughness (110%) and hardness (30%) against bench-marked monolithic Al2O3. Fine-grained microstructure and the harder SiC nanoparticles led hybrid nanocomposite to superior hardness while better toughness was attributed to the synergic toughening mechanisms induced by the 0D SiC nanoparticles and 1DMWCNTs. The stability of MWCNTs and SiC nanoparticles and their interfaces with Al2O3 matrix were appraised by combined electron microscopes.