Imaging of the Maxillary Artery for Transcatheter Treatment

Targeted CE per ARRT’s Discipline, Category, and Subcategory classification for enrollments starting after April 6, 2023:
[Note: Discipline-specific Targeted CE credits may be less than the total Category A credits approved for this course.]

Computed Tomography: 2.00
Procedures: 2.00
Head, Spine, and Musculoskeletal: 2.00

Magnetic Resonance Imaging: 1.50
Procedures: 1.50
Neurological: 1.50

Registered Radiologist Assistant: 3.00
Procedures: 3.00
Neurological, Vascular, and Lymphatic Sections: 3.00

Vascular-Interventional Radiography: 3.00
Procedures: 3.00
Vascular Diagnostic Procedures: 1.75
Vascular Interventional Procedures: 1.25

Outline

1. Introduction
2. Embryologic Features of the ECA and Maxillary Artery
   1. Development of the Primitive Aortic Arches
   2. Development of the Carotid Arteries
   3. Development of the ECA and Maxillary Artery
3. Functional and Imaging Anatomy of the Maxillary Artery
   1. Normal Anatomy of the Main Trunk of the Maxillary Artery
      1. Origin
      2. First (Mandibular) Segment
      3. Second (Zygomatic or Pterygoid) Segment
      4. Third (Pterygopalatine) Segment
      5. Anatomy of the Pterygopalatine Fossa Relative to the Pterygopalatine Segment
   2. Normal Anatomy and Imaging Appearances of the Maxillary Artery Branches
      1. Ascending Cranial and Intracranial Branches
      2. Ascending Extracranial Muscular Branches
      3. Descending Branches
      4. Anterior Branches
      5. Recurrent Branches
      6. Terminal Branch
4. Endovascular Treatment of Maxillary Artery Branches with Emphasis on Their Functional Anatomy
   1. Transarterial Embolization for Lesions Fed by the MMA and AMA
   2. TAE of Dental Arteries
   3. TAE of the Palatine Arteries
   4. TAE of the Infraorbital Artery
5. Conclusion

Objectives

Upon completion of this course, students will:

1. explain the origin of the maxillary artery
2. understand variations in the maxillary artery
3. name the pairs of primitive aortic arches during embryologic development
4. express the regression of the primitive aortic arches during embryologic development
5. understand the appearance of the third aortic arch as it pertains to embryologic development
6. explain the stapedial artery divisions during embryologic development
7. be familiar with the Vidian anastomotic system arteries
8. know the two terminal branches of the external carotid artery
9. list the segments of the maxillary artery
10. understand the transition between the first and second branches of the maxillary artery
11. state the branches of the mandibular segment of the maxillary artery
12. recall what areas are supplied with blood by the branches of the mandibular segment of the maxillary artery
13. explain the function of the lateral pterygoid muscle
14. understand the percentage of cases where the second segment of the maxillary artery takes a superficial route
15. describe the features of the pterygopalatine segment of the maxillary artery
16. associate the areas supplied by the pterygopalatine segment of the maxillary artery with their respective branches
17. describe the shape of the pterygopalatine fossa
18. list the borders of the pterygopalatine fossa
19. state the anatomic structures within the pterygopalatine fossa
20. know how maxillary artery branches are classified
21. understand which artery supplies the external auditory canal
22. explain what may occur if the middle meningeal artery ruptures
23. recall the divisions of the middle meningeal artery after exiting the foramen Spinosum
24. communicate what angiographic views are helpful in distinguishing between the petrosquamosal and petrosal arteries
25. know the meaning of the Latin term “foramen ovale”
26. summarize the arterial blood supply for the temporal muscle
27. know the origin of the four descending branches of the maxillary artery
28. list the anterior branches of the third segment of the maxillary artery
29. specify the path of the sphenopalatine artery
30. specify the major feeding artery of dural arteriovenous fistula
31. list the symptoms of dural AVFs
32. explain the blood flow in patients with an AVF
33. state the arteries responsible for uncontrolled bleeding after molar extraction
34. express the arteries that feed tumors of the nasopharyngeal region
35. be familiar with the most common benign and malignant orbital tumors