Osseous Tumors of the Fingers

The imaging features of the most common benign and malignant lesions of the fingers are presented.

Course ID: Q00434 Category:
Modality:

2.5

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

Magnetic Resonance Imaging: 1.00
Procedures: 1.00
Musculoskeletal: 1.00

Outline

  1. Introduction
  2. Imaging Modalities and Techniques
    1. Radiography
    2. Computed Tomography
    3. Ultrasonography
    4. MR Imaging
  3. Approach to Osseous Tumors of the Fingers
  4. Benign Lesions of the Fingers
    1. Enchondromas
    2. Multiple Enchondromatosis
    3. Periosteal Chondromas
    4. Osteochondromas
    5. Hereditary Multiple Exostoses
    6. Subungual Exostosis
    7. Florid Reactive Periostitis
    8. Bizarre Parosteal Osteochondromatous Proliferation
    9. Osteoid Osteomas
    10. Aneurysmal Bone Cysts
    11. Giant Cell Tumors
  5. Mimics of Primary Osseous Lesions
    1. Glomus Tumors
    2. Intraosseous Epidermal Inclusion Cysts
    3. Trauma, Infection, and Systemic Diseases
  6. Malignant Tumors
  7. Conclusion

Objectives

Upon completion of this course, students will:

  1. know which medical imaging modalities play a role in the diagnosis of lesions in the fingers and hands
  2. know what information radiography can provide when evaluating a finger lesion
  3. be able to describe which radiographic views are used to determine finger pathology
  4. know the proper positioning and exposure techniques for radiography of the fingers
  5. be familiar with patient positioning for CT of the fingers and hand
  6. know the benefits of using contrast when performing a CT study of the fingers to determine whether a mass is cystic or solid
  7. understand proper coil selection for MR imaging of the fingers
  8. understand patient positioning for MR imaging of the fingers
  9. know what other name multiple enchondromatosis goes by
  10. understand the complications that can arise with multiple enchondromas
  11. know the radiographic and CT appearance of a periosteal chondroma
  12. describe an ostechondorama of the finger and its potential complications
  13. know which medical imaging modality is superior for the evaluation of an osteochondroma
  14. describe subungual exostoses and its alternative name
  15. know the radiographic appearance of subungual exostoses
  16. describe parosteal osteochondromatous proliferation
  17. describe the radiographic and MR appearance of parosteal osteochondromatous proliferation
  18. describe giant cell tumors of the fingers and what percentage of them are malignant
  19. understand the appearance of giant cell tumors of the fingers on CT and MR
  20. be familiar with the radiographic and MR appearance of epidermal inclusion cysts