CTA Neck
Claim CME CreditPOINT OF CARE INFORMATION
This CME activity consists of the student reviewing the video of the professor reviewing the case as well as the associated DICOM image set related to the case in question.
Learning Objectives
As a result of participation in this activity, participants should be able to:
- Provide improved patient care.
- Greater knowledge of the imaging characteristics of the patient's disease.
- Understand a better approach to interpretation of studies.
Faculty Disclosure
Mehmet Albayram, MD, Ivan Davis, MD, Mariam Hanna, MD, Anthony Mancuso, MD, Ronald Quisling, MD, Dhanashree Rajderkar, MD, Priya Sharma, MD, Roberta Slater, MD and Joann Stamm, MBA have disclosed that they have no relevant financial relationships. No one else is a position to control content have any financial relationship to disclose.
CME Advisory Committee Disclosure:
Conflict of interest information for the CME Advisory Committee members can be found on the following website: https://cme.ufl.edu/disclosure/.
Continuing Medical Education Credit
Accreditation: The University of Florida College of Medicine is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.
Credit: The University of Florida College of Medicine designates this enduring material for a maximum of 0.5 AMA PRA Category 1 Credits. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
CA0568-CTA Neck
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CA0568-CTA Neck
Case ReportHistory
Exam
Prior Study
Focal left retrosylvian vasogenic edema matching the vein of Labbe' venous egress territory. Whether there is cytogenic edema in this area representing venous stroke remains indeterminate.
There is acute thrombus in multiple branches of the left vein of Labbe' without apparent concurrent left transverse sinus thrombosis.
There is no hemorrhagic conversion.
CT Perfusion
There is a focal area of reduced brain perfusion in the left retrosylvian area corresponding to sites of acute left vein of Labbe' acute venous thrombosis, as evident on the noncontrast head CT.
There is both collateral zone physiologic hyperemia around the site of reduced blood flow (prolonged TTP and reduced CBV), plus evidence of re-routing of the left venous egress into the left superior sylvian vein complex. Re-routed blood flow then passes into a dilated left sphenoparietal sinus and into both sides of the cavernous sinus.
Findings
CT-MRV Neck
CTA of the neck was normal without evidence of venous thrombosis or dural sinus thrombosis. There was a filling defect within the lumen of the right mesial transverse sinus representing a normal pacchionian granulation. There was no evidence of infiltrative infection or tumor in the nasopharynx or skull base. There is nonspecific enlargement of the right palatine tonsil compared to the left, but without evidence of acute infection nor infiltrative mass.
