Calvarial Lesions
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  • Introductory Pages
    • Purpose of the Module
      • Introduction to Calvarial Pathology
        • Anatomy of the Calvaria
          • Imaging Principles of the Calvaria>
            • Dural Enhancement
            • History of the Calvaria
              • Welcome
              • The Lesions
                • Eosinophilic granuloma>
                  • EG Clinical Aspects
                    • EG Radiologic Aspects
                      • EG Radiologic Aspects - In Brief
                        • EG Case 1
                          • EG Case 2
                            • EG Case 3
                            • Epidermoid and Dermoid>
                              • Epi Clinical Aspects
                                • Epi Radiologic Aspects
                                  • Epi Radiologic Aspects - In Brief
                                    • Epi Case 1
                                      • Epi Case 2
                                      • Hemangioma>
                                        • Hg Clinical Aspects
                                          • Hg Radiologic Aspects
                                            • Hg Radiologic Aspects - In Brief
                                              • Hg Case 1
                                                • Hg Case 2
                                                  • Hg Case 3
                                                  • Meningioma>
                                                    • Men Clinical Aspects
                                                      • Men Radiologic Aspects
                                                        • Men Radiologic Aspects - In Brief
                                                          • Men Case 1
                                                            • Men Case 2
                                                              • Men Case 3
                                                              • Hemangiopericytoma>
                                                                • Hp Clinical Aspects
                                                                  • Hp Radiologic Aspects
                                                                    • Hp Radiologic Aspects - In Brief
                                                                      • Hp Case 1
                                                                      • Fibrous Dysplasia>
                                                                        • FD Clinical Aspects
                                                                          • FD Radiologic Aspects
                                                                            • FD Radiologic Aspects - In Brief
                                                                              • FD Case 1
                                                                                • FD Case 2
                                                                                  • FD Case 3
                                                                                  • Ossifying Fibroma>
                                                                                    • OF Clinical Aspects
                                                                                      • OF Radiologic Aspects
                                                                                        • OF Radiologic Aspects - In Brief
                                                                                          • OF Case 1
                                                                                          • Metastasis>
                                                                                            • Mt Clinical Aspects
                                                                                              • Mt Radiologic Aspects
                                                                                                • Mt Radiologic Aspects - In Brief
                                                                                                  • Mt Case 1
                                                                                                    • Mt Case 2
                                                                                                      • Mt Case 3
                                                                                                        • Mt Case 4
                                                                                                        • Multiple Myeloma>
                                                                                                          • MM Clinical Aspects
                                                                                                            • MM Radiologic Aspects
                                                                                                              • MM Radiologic Aspects - In Brief
                                                                                                                • MM Case 1
                                                                                                                  • MM Case 2
                                                                                                                    • MM Case 3
                                                                                                                    • Skin Carcinomas>
                                                                                                                      • SC Clinical Aspects
                                                                                                                        • SC Radiologic Aspects
                                                                                                                          • SC Radiologic Aspects - In Brief
                                                                                                                            • SC Case 1
                                                                                                                              • SC Case 2
                                                                                                                              • Osteoma>
                                                                                                                                • Os Clinical Aspects
                                                                                                                                  • Os Radiologic Aspects
                                                                                                                                    • Os Radiologic Aspects - In Brief
                                                                                                                                      • Os Case 1
                                                                                                                                        • Os Case 2
                                                                                                                                          • Os Case 3
                                                                                                                                          • Osteosarcoma>
                                                                                                                                            • O Clinical Aspects
                                                                                                                                              • O Radiologic Aspects
                                                                                                                                                • O Radiologic Aspects - In Brief
                                                                                                                                                  • O Case 1
                                                                                                                                                  • Paget's Disease>
                                                                                                                                                    • P Clinical Aspects
                                                                                                                                                      • P Radiologic Aspects
                                                                                                                                                        • P Radiologic Aspects - In Brief
                                                                                                                                                          • P Case 1
                                                                                                                                                            • P Case 2
                                                                                                                                                              • P Case 3
                                                                                                                                                            • Self-Assessments
                                                                                                                                                              • Quiz 1
                                                                                                                                                                • Quiz 2
                                                                                                                                                                  • Quiz 3
                                                                                                                                                                    • Unknown Case 1>
                                                                                                                                                                      • Unknown Case 1 - Answer
                                                                                                                                                                      • Unnkown Case 2>
                                                                                                                                                                        • Unknown Case 2 - Answer
                                                                                                                                                                        • Unknown Case 3>
                                                                                                                                                                          • Unknown Case 3 - Answer
                                                                                                                                                                          • Unknown Case 4>
                                                                                                                                                                            • Unknown Case 4
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                                                                                                                                                                              • Acknowledgements>
                                                                                                                                                                                • Case 1>
                                                                                                                                                                                  • Clinical Aspects
                                                                                                                                                                                    • Radiologic Aspects - In Brief
                                                                                                                                                                                      • Radiologic Aspects
                                                                                                                                                                                        • Case 1
                                                                                                                                                                                          • Case 1

                                                                                                                                                                                      Clinical Aspects


                                                                                                                                                                                      Hemangiomas are benign blood vessel tumors with a higher predilection for women in the middle decades of life. They are most often seen solitarily in the frontal and parietal bones but can affect any region of the calvaria. Most calvarial hemangiomas are histologically classified as cavernous, meaning that they are composed of dilated blood vessels lined by a single epithelial layer contained within the bony trabeculae.