How to Read Radiolographs

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Post on 15-Aug-2015




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  1. 1. HOW TO READ RADIOGRAPHS Mariam Alosfoor
  2. 2. OBJECTIVES:- Steps of correctly reading radiographs Different techniques for taking radiographs Radiological findings in the case
  3. 3. 1 2 3 4 5 HOW TO READ A RADIOGRAPH? Follow these steps Type of Image Anatomical part Section Technique Lesion description
  4. 4. TYPE OF IMAGE Magnetic Resonance Image (MRI) Soft tissue, Brain tumors, Spine injuries, Multiple sclerosis, Brain step lesions Does not use radiation Computed Tomography (CT scan) Bone injuries, Chest, Cancer detection, Brain hemorrhage X-rays Positron Emission Tomography (PET scan) Functional imaging Cancer, Epilepsy, Heard disease Radioactive materials 1
  5. 5. TECHNIQUE With / Without contrast medium Signal characteristics (MRI): 4 T1 T2 Black Air Bone Air Bone Dark CSF Edema Tissue Brigh t Fat Blood Contrast medium CSF Blood Edema
  6. 6. LESION DESCRIPTION Anatomy Exact location Three dimensional size Radiological Criteria CT scan: Isodense, hypodense, hyperdense. MRI: Isointense, hypointense, hyperintense. Edema Compression Midline shift Herniation 5
  7. 7. The Case
  8. 8. CT SCAN The right sphenoidal sinus and cavernous sinus are filled with tissue. There is a destruction of osseous structures on the caudal and lateral side. Destruction of the skull base.
  9. 9. MRI Irregular structure in the nasopharyngeal space with destruction of the skull base and ingrowth into the right cavernous sinus and into the pterygopalatinoid sinus.
  10. 10. PET SCAN
  11. 11. Any Questions? Feel Free to Ask