HUMB2009 Study Guide - Final Guide: Glasgow Coma Scale, Scapula, Pneumomediastinum

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First approach, easy and quick but cannot see soft tissue consequences. Flat image, superimpositions, low contrast between anatomical structures: ct. Can differentiate between the soft tissues and see the impact of trauma on the soft tissue. Ct reconstruction- can see bone displacement, can help surgeries to study pathology: mri. On the coronal, sternum looks fine, move to the axial and there is a huge heterogeneous mass from the mediastinum to anterior sternum: nm. For child abuse, easy to see the lesions, both old and new, ribs are the main affected areas of child abuse. For tumors- need nm to identify odd spots. Areas of increased uptake of radiopharmaceuticals indicate malignancy: us. Plain radiography, first step for majority of lesions. When involving bone only ct is good. Mri to assess both bone and soft tissue, gives more answers. Ct scan axial, without contrast and bone windowing, ct scan with iv contrast axial and coronal- mediastinal windowing.

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