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Training Collections
Library Memberships
On-demand course library with video lectures, expert case reviews, and more
Fellowship Certificate™ Programs
Practice-focused training programs designed to help you gain experience in a specific subspecialty area.
Ultimate Learning Pass
Unlock access to our full Course Library and all self-paced Fellowships.
Noon Conference (Free)
Get access to free live lectures, every week, from top radiologists.
Case of the Week (Free)
Get a free weekly case delivered right to your inbox.
Dr. Resnick's MSK Conference
Learn directly from the MSK Master himself.
Lower Extremities MRI Conference
Musculoskeletal Imaging
Emergency Imaging
PET Imaging
Pediatric Imaging
For Training Programs
Supplement your training program with case-based learning for residents, registrars, fellows, and more.
For Private Practices
Upskill in high growth, advanced imaging areas.
Emergency Call Prep
Prepare trainees to be on call for the emergency department with this specialized training series.
Course
Start here
1 topic
Practice Cases
Week 1
8 topics, 31 min.
Practice Cases
Week 2
8 topics, 1 hr. 34 min.
Practice Cases
Week 3
8 topics, 48 min.
Practice Cases
Week 4
8 topics, 37 min.
Practice Cases
Week 5
8 topics, 26 min.
Practice Cases
Week 6
8 topics, 17 min.
Practice Cases
Week 7
8 topics, 1 hr. 24 min.
Practice Cases
Week 8
8 topics, 18 min.
Practice Cases
Week 9
8 topics, 23 min.
Wk 10, Case 2 - Review
HIDEInteractive Transcript
Report
Patient History
2-year-old with left leukocoria.
Findings
Contrast-enhanced CT was performed from the skull base to the thoracic inlet. The study demonstrates a large calcified left intra-ocular mass which is slightly enlarging the left globe. The mass has both a soft tissue and calcified component. The left lens is not visualized and may be eroded by the intra-ocular mass.
There is diffuse enlargement of the left optic nerve extending posteriorly through the left superior orbital fissure and optic canal. There is enlargement of the orbital apex, left superior orbital fissure and left optic canal indicative of a longstanding process. The coronal images demonstrate lateral displacement of the supraclinoid carotid artery suggestive of a sellar/suprasellar mass and can be further evaluated with contrast-enhanced MRI of the brain.
No evidence of enlarged lymph nodes are identified. The right globe appears to be within normal limits without evidence of calcified intra-ocular mass.
Visualized portion of the lungs is grossly within normal limits. However, dedicated chest CT is necessary for complete diagnostic evaluation.
Conclusions
1. Large calcified intra-ocular mass consistent with retinoblastoma.
2. Diffuse enlargement of the left optic nerve likely due to retrobulbar involvement with extension along the left optic nerve.
3. Findings suggestive of a sellar/suprasellar mass which may represent intracranial extension/metastases.
Case Discussion
Faculty
David M Yousem, MD, MBA
Professor of Radiology, Vice Chairman and Associate Dean
Johns Hopkins University
Suresh K Mukherji, MD, FACR, MBA
Clinical Professor, University of Illinois & Rutgers University. Faculty, Michigan State University. Director Head & Neck Radiology, ProScan Imaging
Tags
Neuroradiology
MRI
Head and Neck
CT
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