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Original Article: Initial Experience of Utilizing Real-Time Intra-Procedural PET/CT Biopsy
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Carina Mari Aparici, Rizwan Aslam, Aung Zaw Win J Clin Imaging Sci 2014, 4:54 (29 September 2014) DOI:10.4103/2156-7514.141941 PMID:25337440Objectives: Nonreal-time Positron Emission Tomography/Computed Tomography (PET/CT) biopsies that use the image co-registration of a prior PET with an intra-procedural CT have been reported. The aim of this study was to report the initial experience of performing real-time intra-procedural PET/CT-guided biopsies. Materials and Methods: All patients (n = 4) had a prior PET/CT examination of the concerning lesion and no significant CT correlate. On the day of the biopsy, 5 mCi of 18F-fluorodeoxyglucose (FDG) or NaF18 was intravenously injected. After 60 min of biodistribution of the molecular probe, PET/CT images were obtained in a limited one bed position over the region of the concerning lesion to be biopsied. Results: One patient had a mesenteric mass and the other three had bone lesions, one located in the rib and two in the iliac bone. The pathology report revealed that two lesions (50%) were malignant and two lesions (50%) were benign. The results of the biopsy changed management in all cases. There was 0% complication rate. Conclusions: No additional software or hardware is required to perform real-time intra-procedural PET/CT-guided biopsies. It can optimize the yield, especially in cases where there are no anatomical abnormalities. Real-time intra-procedural PET/CT biopsy may have benefits over conventional biopsy techniques in terms of accuracy. |
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Case Report: Neonatal Death Dwarfism in a Girl with Distinctive Bone Dysplasia Compatible with Grebe Chondrodysplasia: Analysis by CT Scan-based Phenotype
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Ali Al Kaissi, Farid Ben Chehida, Rudolf Ganger, Franz Grill J Clin Imaging Sci 2014, 4:53 (29 September 2014) DOI:10.4103/2156-7514.141939 PMID:25337439We report on a female fetus noted to have severe malformative type of skeletal dysplasia on ultrasonography done at 35 weeks gestation. The girl died shortly after birth. Clinical examination showed a fetus with severe dwarfism, extensive long and short bones, and bone deficiencies associated with multiple dislocations. Computed tomography (CT) scan-based phenotype showed a complex constellation of malformations consistent with the diagnosis of Grebe syndrome. Parents being first cousins (consanguineous marriage) strongly suggests autosomal recessive pattern of inheritance. To our knowledge, this is the first report of neonatal death dwarfism of Grebe syndrome analyzed by CT scan-based phenotype. |
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Radiologic-Pathologic Correlation: Malignant Phyllodes Tumor with Chondrosarcomatous Differentiation: Radiological-Pathological Correlation
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Kathyayini Paidipati Gopalkishna Murthy, Ranjani Padmanabhan Chakravarthy J Clin Imaging Sci 2014, 4:52 (29 September 2014) DOI:10.4103/2156-7514.141910 PMID:25337438We present a case of a 63-year-old woman with malignant phyllodes tumor in her left breast. On imaging, a large, dumbbell-shaped, predominantly cystic mass with thin peripheral enhancement was noted. The lesion was causing rib destruction, chest wall invasion, and intrathoracic extension. These aggressive imaging features were considered highly suspicious of a malignant chest wall tumor. Subsequent chest wall resection of the tumor showed breast tissue with a biphasic lesion composed of proliferated spindle cells in loose sheets with extensive islands of atypical cartilage and a scanty epithelial component, including compressed ducts in the periphery of the lesion. A diagnosis of a malignant phyllodes tumor with stromal overgrowth and chondrosarcomatous differentiation was made in view of the presence of a benign epithelial component and negative reaction of the stromal component with a pancytokeratin. To the best of our knowledge, a phyllodes tumor with the radiological features of chest wall invasion and intrathoracic extension has not been described in the literature until now. Malignant phyllodes should be included in the list of differentials along with sarcomas on encountering lesions with such aggressive imaging features. |
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Dental Article: Unusual Unilateral Fracture of the Condylar and Coronoid Processes of the Mandible
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Timucin Baykul, M Asim Aydin, Muge Cina Aksoy, Yavuz Findik J Clin Imaging Sci 2014, 4:3 (29 September 2014) DOI:10.4103/2156-7514.141909 PMID:25379353The incidence of condylar fracture is very high and most are not caused by direct trauma. On the other hand, fracture of the coronoid process is reported less often than fracture of other parts of the mandible. We report a case of right subcondylar and coronoid fractures without any evidence of direct trauma to the zygomatic area or an indirect trauma to the mandibular corpus or sypmheseal region. The possible cause was identified as acute reflex contraction of the temporalis muscles leading to coronoid and condylar stress fractures.
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Case Report: Omental Nodular Deposits of Recurrent Chromophobe Renal Cell Carcinoma Seen on FDG-PET/CT
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Aung Zaw Win, Carina Mari Aparici J Clin Imaging Sci 2014, 4:51 (23 September 2014) DOI:10.4103/2156-7514.141560 PMID:25337437We present the case of a 69-year-old male with chromophobe renal cell carcinoma (RCC). Chromophobe RCC accounts for only 4% of renal cancers and it is the least aggressive type. Omental nodular deposits due to RCC metastasis are very rare and it is reported only in more aggressive forms of RCC. This is the first report that shows FluoroDeoxyGlucose - Positron Emission Tomography/Computed Tomgraphy (FDG-PET/CT) images of omental nodular deposits from chromophobe RCC. FDG-PET/CT is becoming very useful in restaging RCC with distant metastases.
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Case Report: Sequential Venoplasty for Treatment of Inferior Vena Cava Stenosis Following Liver Transplant
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Ahmad Parvinian, Ron Charles Gaba J Clin Imaging Sci 2014, 4:50 (23 September 2014) DOI:10.4103/2156-7514.141557 PMID:25337436Obstruction of the inferior vena cava (IVC) is a rare complication of liver transplantation with significant consequences including intractable ascites and hepatic dysfunction. Although venoplasty and stenting are effective in many cases, patients who fail first-line treatment may require surgical intervention or re-transplantation. Scheduled sequential balloon dilation, an approach frequently used to treat fibrotic, benign biliary strictures, but less commonly vascular lesions, may avert the need for such high-risk alternatives while achieving favorable clinical and angiographic response. Herein, we report the case of a 36-year-old woman with transplant-related, initially angioplasty-resistant IVC stenosis that was successfully treated with sequential balloon dilation.
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Review Article: Use of Cone Beam Computed Tomography in the Diagnosis of Superior Semicircular Canal Dehiscence
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Ilson Sepulveda, Thomas Schmidt, Enrique Platin J Clin Imaging Sci 2014, 4:49 (23 September 2014) DOI:10.4103/2156-7514.141554 PMID:25337435Superior semicircular canal dehiscence is a relatively new syndrome in the field of otology. It is of unknown etiology presenting with a variety of vestibular and auditory symptoms and radiologic findings play a crucial role in its diagnosis. Cone beam computed tomography has been shown to be a powerful tool in the field of otolaryngology. It is a three dimensional technique that uses lower radiation resulting in fewer artifacts and offers higher resolution when compared with multi-slice computed tomography. It is considered to be an excellent imaging modality for radiological exploration of the ear.
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[ABSTRACT] [HTML Full text] [PDF] [Mobile Full text] [EPub] [Citations (4) ] [PubMed] [Sword Plugin for Repository]Beta |
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