Practical Differential Diagnosis for CT and MRI by Eugene C. Lin, Edward Escott, Kavita Garg, Andrew G

By Eugene C. Lin, Edward Escott, Kavita Garg, Andrew G Bleicher, David Alan Alexander

Practical Differential prognosis in CT and MRI is a one-stop source for the differential analysis of universal and infrequent radiologic findings and prerequisites in all areas of the physique. for every discovering and prognosis, the e-book offers an entire checklist of differential diagnoses in addition to the good points that may aid the clinician differentiate ailments with related findings.

Highlights:

  • Concise descriptions relief the identity of key radiologic indicators
  • Easy-to-use tables and bullet-point lists facilitate swift evaluate of significant information regarding findings, differentiating positive factors, and sickness entities

This pocket-sized e-book is perfect for citizens getting ready for board examinations in addition to for radiologists in practice.

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Extra resources for Practical Differential Diagnosis for CT and MRI

Example text

Alternatively, the neoplasm may involve the subarachnoid space hematogenously or from spread along nerves. MRI is more sensitive than computed tomography (CT) because beam hardening limits the detection of dural enhancement, particularly near the calvarium (although CT sensitivity is improved for nodular enhancement and enhancement in spaces not adjacent to the calvarium), but MRI is no more specific, and coronal or axial images are better than sagittal images. • Intracranial hypotension as a cause of pachymeningeal enhancement Intracranial hypotension causes smooth pachymeningeal enhancement and may have a characteristic wavelike pattern of enhancement along the frontal and temporal base, which has been suggested to be due to the contour of the inner margin of the skull in these regions.

In cases of invasion, this line will be absent either focally or more diffusely, and the underlying dural enhancement is more likely to be discontinuous. However, it should be pointed out that in a small percentage Meningeal Enhancement of cases, nonenhancing dura may still be invaded. ) • Lymphoma/leukemia • Lymphomatoid granulomatosis (uncommon) Mimics of Meningeal Enhancement • Slow vascular flow (hydrocephalus, distal to an occlusion, in dilated segments) Additional Readings 1. Ahmadi J, Hinton DR, Segall HD, Couldwell WT, Stanley RB.

Tosaka M, Sato N, Fujimaki H, Takahashi A, Saito N. Wave-like appearance of diffuse pachymeningeal enhancement associated with intracranial hypotension. qxd 5/7/08 2:02 PM Page 28 10 Sellar and Parasellar Lesions The normal pituitary gland generally measures between 4 to 7 mm in height, depending on age, sex, and pregnancy status, and generally does not exceed 10 mm. The posterior lobe is hyperintense on T1-weighted magnetic resonance [MR] images (T1WI) due to vasopressin and should always be seen in normal children and infants, although the incidence of this finding decreases with age.

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