scholarly journals Predicting the Natural History of Acute Uncomplicated Type B Dissections by Volumetric Analysis of the Initial Index Computed Tomography (CT) Scan

2015 ◽  
Vol 62 (5) ◽  
pp. 1381-1382
Author(s):  
Jean M. Panneton ◽  
Kedar S. Lavingia ◽  
S. Sadie Ahanchi ◽  
Chad P. Ammar
Keyword(s):  
Computed Tomography ◽  
Natural History ◽  
Ct Scan ◽  
Volumetric Analysis ◽  
Type B ◽  
History Of

scholarly journals Volumetric Analysis of the Initial Index Computed Tomography (CT) Scan Can Predict the Natural History of Acute Uncomplicated Type B Dissections

2014 ◽  
Vol 60 (6) ◽  
pp. 1714
Author(s):  
Kedar S. Lavingia ◽  
Sebastian Larion ◽  
S. Sadie Ahanchi ◽  
Chad Ammar ◽  
Mohit Bhasin ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Natural History ◽  
Ct Scan ◽  
Volumetric Analysis ◽  
Type B ◽  
History Of

scholarly journals Volumetric analysis of the initial index computed tomography scan can predict the natural history of acute uncomplicated type B dissections

2015 ◽  
Vol 62 (4) ◽  
pp. 893-899 ◽  
Author(s):  
Kedar S. Lavingia ◽  
Sebastion Larion ◽  
Sadaf S. Ahanchi ◽  
Chad P. Ammar ◽  
Mohit Bhasin ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Natural History ◽  
Volumetric Analysis ◽  
Type B ◽  
Computed Tomography Scan ◽  
History Of ◽  
Tomography Scan

scholarly journals Additive value of positron emission tomography/computed tomography scan for detection of aortic tube graft infection: a case report

2020 ◽  
Author(s):  
Farnoosh Larti ◽  
Mohammad Amin Khadembashiri ◽  
Mehrshad Abbasi ◽  
Alborz Sherafati
Keyword(s):  
Computed Tomography ◽  
Positron Emission Tomography ◽  
Diagnostic Accuracy ◽  
Ct Scan ◽  
Graft Infection ◽  
Emission Tomography ◽  
Positron Emission ◽  
Pet Ct ◽  
History Of ◽  
Pet Ct Scan

Abstract Background Diagnosis of aortic graft infection is challenging, and delayed diagnosis is associated with poor prognosis. Positron emission tomography/computed tomography (PET/CT) has improved diagnostic accuracy. Case summary A patient with a history of congenital heart disease was admitted due to fever. He had a history of four cardiac surgeries, including the Bentall procedure for endocarditis. Blood cultures were negative. A semi-mobile mass was detected in the distal portion of the aortic tube graft in echocardiography. PET/CT scan was used to confirm tube graft infection and to support proceeding to cardiac surgery. Discussion Using multimodality imaging, including PET/CT scan in combination with echocardiography, can improve diagnostic accuracy for the detection of aortic tube graft infection, infection of prosthetic valves, or intra-cardiac devices, especially in high-risk surgical cases.

Abstract 14676: Landmark-based Functional Computed Tomography Reveals Diminished Left Atrial Appendage Contraction During Atrial Fibrillation

Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Jonathan H Chung ◽  
Gordon Ho ◽  
Andrew Schluchter ◽  
Francisco Contijoch ◽  
Jonathan C Hsu ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Atrial Fibrillation ◽  
Ejection Fraction ◽  
Sinus Rhythm ◽  
Ct Scan ◽  
Blood Volume ◽  
Left Atrial ◽  
Left Atrial Appendage ◽  
Atrial Appendage ◽  
History Of

Introduction: The formation of thrombus in the left atrial appendage (LAA) and risk for systemic embolization may result in part from stasis and poor blood volume emptying during atrial fibrillation (AF). Functional 4-dimensional computed tomography (4DCT) is a promising technique to measure LAA ejection fraction and blood volume emptying. Hypothesis: We hypothesize that the LAA ejection fraction measured by 4DCT is decreased during AF compared to sinus rhythm. Methods: 256-slice 4DCT scans obtained in patients for coronary artery imaging or pre-procedurally for AF, VT or SVT ablation procedures were analyzed retrospectively. In each patient, LAA volumes were measured at multiple phases during one cardiac cycle using segmentation software (ITK-SNAP and Osirix MD). LAA ejection fraction was calculated as the difference between minimum and maximum volumes and was analyzed using Wilcoxon rank sum. Results: Out of 54 patients, 37 patients were in sinus rhythm and 17 patients were in AF. Between NSR vs. AF, mean age was 69.1±12.8 vs 73.2±11.5 years (p=0.13), 28% vs 36% female (p=0.54), LVEF was 58±11% vs 60±9% (p=0.95), and echo-derived left atrial volume index was 29.5±6.1 ml/m2 vs 41.7±12.8 ml/m2 (p=0.06). Patients who were in sinus rhythm during their CT scan had a higher LAA ejection fraction than those who were in AF (58±13% vs. 29±9%, p<0.0001). For patients who were in AF during their CT scan, there was no difference in LAA ejection fraction between patients with a history of paroxysmal AF compared to patients with a history of persistent AF (30±10% vs. 28±10%, p=0.75). Conclusions: Analysis of the LAA volumes using functional cardiac CT is a feasible method to quantify blood volume emptying from the LAA. Patients in AF were observed to have significantly decreased LAA ejection fraction and blood volume emptying compared to patients in sinus rhythm. Further studies are needed to determine whether this technique may improve personalized risk stratification for stroke.

scholarly journals No histology for diminutive duodenal neuroendocrine tumors: Is it safe?

2019 ◽  
Vol 07 (02) ◽  
pp. E308-E309
Author(s):  
Thomas Walter
Keyword(s):  
Natural History ◽  
Ct Scan ◽  
Neuroendocrine Tumors ◽  
Surgical Procedures ◽  
Abdominal Ct ◽  
Abdominal Ct Scan ◽  
Interesting Approach ◽  
History Of ◽  
Duodenal Neuroendocrine Tumors

AbstractFor the management of diminutive duodenal neuroendocrine tumors (d-NETs), Harshit et al. have proposed – in the work accompanying this editorial – an interesting approach, the endoscopic banding without resection (BWR) technique. Given the risks associated with classic endoscopic resections and surgical procedures, and the likely favorable natural history of diminutive d-NETs, BWR may be an option for these selected patients with a very low risk of LN + and recurrence. However, a close follow-up (endoscopic, EUS and thoraco-abdominal CT scan) is then required to guarantee the safety of this policy.

scholarly journals EP-1496: The natural history of pulmonary micronodules evidenced at initial CT scan in pts affected by LARC

2018 ◽  
Vol 127 ◽  
pp. S811-S812
Author(s):  
S. Montrone ◽  
F. Pasqualetti ◽  
R. Morganti ◽  
B. Manfredi ◽  
C. Laliscia ◽  
...  
Keyword(s):  
Natural History ◽  
Ct Scan ◽  
History Of

Spontaneous Resolution of a Descending Aortic Dissection

1989 ◽  
Vol 30 (3) ◽  
pp. 305-306 ◽  
Author(s):  
B. Thorvinger ◽  
U. Albrechtsson
Keyword(s):  
Computed Tomography ◽  
Natural History ◽  
Aortic Dissection ◽  
Contrast Medium ◽  
False Lumen ◽  
Complete Healing ◽  
Spontaneous Resolution ◽  
History Of ◽  
Enhanced Computed Tomography

The natural history of an aortic dissection is either endothelialization of the false lumen forming a so-called double-barrelled aorta, or thrombosis of the sack leading to fibrosis and scarring. Complete healing of an aortic dissection is extremely rare, and has to our knowledge only been reported once in vivo. Here we report a second case of spontaneous resolution of an aortic dissection, disclosed by contrast medium enhanced computed tomography.

scholarly journals Multifocal Dysembryoplastic Neuroepithelial Tumour with Intradural Spinal Cord Lipomas: Report of a Case

2011 ◽  
Vol 2011 ◽  
pp. 1-4 ◽  
Author(s):  
Richard D. White ◽  
Avinash K. Kanodia ◽  
Esther M. Sammler ◽  
John N. Brunton ◽  
Craig A. Heath
Keyword(s):  
Computed Tomography ◽  
Spinal Cord ◽  
Magnetic Resonance ◽  
Natural History ◽  
Mr Imaging ◽  
Temporal Lobe Epilepsy ◽  
Imaging Findings ◽  
History Of ◽  
Thoracic Cord ◽  
Brown Sequard Syndrome

We report a case of temporal lobe epilepsy and incomplete Brown-Sequard syndrome of the thoracic cord. Computed tomography and magnetic resonance (MR) imaging showed multiple supratentorial masses with the classical radiological appearances of multifocal dysembryoplastic neuroepithelial tumour (DNET). Spinal MR imaging revealed intradural lipomas, not previously reported in association with multifocal DNET. Presentation and imaging findings are discussed along with classification and natural history of the tumour.

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