Showing posts with label Pathology. Show all posts
Showing posts with label Pathology. Show all posts

Saturday, January 28, 2012

Proton MRS Spectra for Selected Brain Pathologies


Tags: MRS, MR Spectroscopy, Metabolites, Low Grade Astrocytoma, Anaplastic Astrocytoma, Glioblastoma, Metastasis, Meningioma


Tuesday, January 19, 2010

Meniscal Tears


(Click on image to enlarge)

Tags: Meniscus, knee, full-thickness tear

Source:


Monday, January 18, 2010

Partial Tears of Achilles Tendon


(Click on image to enlarge)

Tags: Achilles tendon, ankle, partial tears

Source:


Sunday, December 27, 2009

Cardiomyopathies by Cardiac MRI


Tags: CMR, cardiomyopathies

Source:


Thursday, December 24, 2009

Arrhythmogenic Right Ventricular Dysplasia/Cardiomyopathy (ARVD/C)



























Tags: ARVD, ARVC, fatty infiltration, myocardial fibrosis, traiangle of dysplasia, protocol, RV 2-chamber view

Jain et al. Role of cardiovascular magnetic resonance imaging in arrhythmogenic right ventricular dysplasia. Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance (2008) vol. 10 (1) pp. 32


Saturday, December 19, 2009

Dural Sinus Thrombosis



MR Anatomy of Cerebral Venous System



MR Imaging Techniques























Tags: Dural sinus thrombosis, cerebral veins, time-of-flight, phase contrast, CE-MRA, MRA, MRV, MR Venography

Sources:
F. Allan Midyett F A, Fisher L, and Suresh Mukherji S. Imaging Dural Sinus Thrombosis. In: Current Protocols in Magnetic Resonance Imaging. John Wiley & Sons, 2003; A2.1.1 - A.2.1.12.

Anzalone N and Tartaro A. Intracranial MR Angiography. In: Magnetic Resonance Angiography, Techniques,Indications and Practical Applications. Springer: Verlag Italia, 2005; 109-122.

Leach et al. Imaging of cerebral venous thrombosis: current techniques, spectrum of findings, and diagnostic pitfalls. Radiographics : a review publication of the Radiological Society of North America, Inc (2006) vol. 26 Suppl 1 pp. S19-41; discussion S42-3.

Bergen D C, Fagnou J M and Sevick R J. Cerebrovascular Disease. In: Magnetic Resonance Tomography. Springer: Berlin Heidelberg, 2008; 329.


Saturday, December 12, 2009

MR Signal Intensity of Aging Blood





Bilateral subdural hematomas of differing age


Tags: Haemoglobin, haemosiderin, hemichromes, oxyhaemoglobin, deoxyhaemoglobin, methaemoglobin, signal evolution.

Reference:
Bradley W G. “MR appearance of hemorrhage in the brain.” Radiology 189, no. 1 (October 1993): 15-26

Bergen D C, Fagnou J M and Sevick R J. Intracerebral Hemorrhage Etiology. In: Magnetic Resonance Tomography. Springer: Berlin Heidelberg, 2008; 335.


Thursday, December 3, 2009

Hepatic Cavernous Hemangioma




Tags: Liver, hepatic cavernous hemangioma, heavily T2-weighted sequence, centripetal fill-in.

Monday, November 30, 2009

Clinical Applications of In-& Out-of-Phase Imaging




Adrenal MR Imaging




Liver MR Imaging




Spine MR Imaging








Tags: In-phase, out-of-phase, chemical shift of the second kind, adrenal adenoma, microscopic intracellular fat, macroscopic fat, Indian ink artifact, fatty liver infiltration, hemochromatosis, benign fracture, osteoporotic fracture, pathologic fracture, neoplastic fracture, wedging.

Reference:



Thursday, November 5, 2009

Delayed Hyper-enhancement (HE) Patterns in CMR



Keywords: Subendocardial Infarct, Transmural Infarct, Midwall HE, Epicardial HE, Global Endocardial HE, Ischemic, Non-ischemic.

Source:
Weinsaft et al. MRI for the assessment of myocardial viability. Cardiology clinics (2007) vol. 25 (1) pp. 35-56, v



CMR Imaging of Thrombus











Keywords: CINE-CMR, DE-CMR, Thrombus, Clot