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Orbit Imaging (Retired on 2026-10-29)

Content Reviewed: December 20, 2021

Mastery Series

Course Description

Whether you’re a resident or a general radiologist who needs a refresher, understanding orbital anatomy, imaging best practices, and common pathologies is essential.

Join Dr. David Yousem, from Johns Hopkins University School of Medicine, as he shares pearls and pitfalls of orbital imaging, garnered over years of experience and interest in this topic. 

Through case-based video discussion and 40+ full DICOM studies that you can view and manipulate, this course will prepare even the busiest radiologist to confidently and efficiently identify abnormalities of the ocular, intraconal, conal, and extraconal spaces, and explore common pathologies that affect the orbits.

Topics covered in this course: 

  • Orbital imaging protocols for CT and on MRI
  • Imaging artifacts in MRI and CT
  • Ocular anatomy
  • Anatomy of the conal space and extraconal orbit and relevant pathology
  • Case review of diagnoses like: endophthalmitis, juvenile ossifying fibroma, lacrimal gland lymphoma microphthalmia, neuromyelitis optica spectrum disorder, optic neuritis, orbital fractures, orbital pseudotumor, periorbital cellulitis, PHPV, pilocytic astrocytoma, retinal detachment, retinoblastoma, staphyloma, thyroid eye disease, venous vascular malformation, and more
  • Imaging appearances of orbital abnormalities, differential considerations, and treatment options
  • …and more!

What your colleagues liked about this Radiology CME course:

  • “The repetitions and the anatomical based explanations have been amazing.” – A.K., MD
  • “What a beast. Excellent presentation and case examples.” – S.G., MD
  • “[This course] was a very good summary of orbital diseases…Now I will more carefully look at this region especially in trauma cases.” – U.L., MD

After you’re done, check out these additional Neuroradiology Mastery Courses for further in-depth case review:

In the Imaging Mastery Series: Orbit, Dave Yousem, MD walks you through everything you need to know about imaging the orbits, covering protocol, anatomy, and a case review session centered around ocular pathology.

Faculty

David M Yousem, MD, MBA

Professor of Radiology, Vice Chairman and Associate Dean

Johns Hopkins University

This course was retired on October 29, 2026

Any CME you've earned through this course will still remain valid.

Alternate versions of this course are available

Mastery Series

4.25 CME

Orbit Imaging

Introduction to Imaging of the Orbits

1 m

Orbit Protocols for CT

3 m

Orbit Protocols on MRI

5 m

Imaging Artifacts in MRI and CT

1 m

Anterior Globe Anatomy

3 m

Membranes of the Orbit

2 m

Anatomic Considerations: Orbital Spaces

2 m

The Conal Space

2 m

Extraconal Space

1 m

Orbital Boundaries

1 m

Lacrimal System Anatomy

1 m

Orbit Anatomy on CT

4 m

Axial Anatomy on MRI

2 m

Coronal Anatomy on MRI

2 m

Anterior Globe Rupture with Laterally Dislocated Cataract

4 m

Foreign Body in Globe

3 m

Wood Foreign Body and Ocular Hypotony

2 m

Hemmorhage in Both Chambers, Open Globe

3 m

Staphyloma

4 m

Persistent Hyperplastic Primary Vitreous (PHPV)

4 m

Retinal Detachment

3 m

Retinoblastoma on CT

3 m

Retinoblastoma on MRI

9 m

Bilateral Retinoblastoma

6 m

Ocular Pathology - Review

10 m

Endophthalmitis

3 m

PHPV Review, Coloboma, and Staphyloma

4 m

Phthisis Bulbi, Macrophthalmia, and Microphthalmia

3 m

Ocular Calcification

3 m

Retinoblastoma - Review

5 m

Choroidal Melanoma

3 m

Intraconal, Conal and Extraconal Anatomy

1 m

Intraconal Hemangioma

5 m

Venous Vascular Malformation

2 m

Optic Nerve Glioma, NF1

4 m

Optic pathway glioma (pilocytic astrocytoma)

3 m

Optic Neuritis, Multiple Sclerosis

5 m

Optic Neuritis, Multiple Sclerosis (2)

7 m

Neuromyelitis Optica Spectrum Disorder

5 m

Neuromyelitis Optica With Spinal Cord Involvement

3 m

Optic Nerve Sheath Meningioma

5 m

Bilateral Optic Neuritis, Leukemia

6 m

Intraconal Pathology - Review

11 m

Optic Neuritis - Review

4 m

Optic Nerve Glioma - Review

4 m

Optic Nerve Sheath Meningioma - Review

5 m

Thyroid Eye Disease

4 m

Lipogenic Thyroid Eye Disease

3 m

Thyroid Eye Disease (2)

2 m

Orbital Pseudotumor

4 m

Conal Pathology - Review

4 m

Extraconal Pathology - Introduction

1 m

Periorbital Cellulitis & Abscess

4 m

Type 3 Orbital Infection

3 m

Solitary Fibrous Tumor

4 m

Langerhans Cell Histiocytosis

2 m

Juvenile Ossifying Fibroma

2 m

Perineural Spread of Squamous Cell Carcinoma

4 m

Proptosis from Extraosseous Extension of Prostate Metastasis

3 m

Orbital Floor Fracture

5 m

Orbital Floor Fracture with Muscle/Fat Herniation

4 m

Orbital Floor Fracture: Status Post Repair

2 m

Bilateral Orbital Fracture Repair

2 m

Periorbital Cellulitis - Review

5 m

Orbital Pseudotumor - Review

2 m

Orbital Wall Abnormalities - Review

2 m

Orbital Fracture - Review

6 m

Giant Cell Reparative Granuloma

2 m

Granulomatous Sinusitis with IgG4-related Ophthalmic Disease

4 m

Anatomy Review - Nasolacrimal system

2 m

Squamous Cell Carcinoma of the Nasolacrimal Sac

3 m

Sarcoidosis of the Lacrimal Gland

2 m

Lymphoma of the Lacrimal Gland

6 m

Adenoid Cystic Carcinoma of the Lacrimal Gland

5 m

Nasolacrimal system - Review

3 m

Course Evaluation