Download MRI Normal Variants and Pitfalls by Laura W. Bancroft MD, Mellena D. Bridges MD PDF

By Laura W. Bancroft MD, Mellena D. Bridges MD

MRI common variations and Pitfalls offers over 1,800 photos of ordinary anatomic editions, artifacts, and different positive factors that mimic pathology on MRI scans. The ebook will lessen the speed of diagnostic mistakes via aiding radiologists distinguish pathology from MRI appearances which can simulate disease.

Organized via anatomic quarter, the publication covers the gamut of neuroradiology, breast imaging, vascular, cross-sectional, and musculoskeletal radiology. every one bankruptcy indicates examples of standard anatomy, adaptations, universal incidental or benign stipulations, and imaging good points that can mimic different ailment approaches. Concise determine legends facilitate fast id of imaging features. Examples of universal MRI artifacts are incorporated, with short factors from physicists in language comprehensible to radiologists.

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A: Axial enhanced T1-weighted and (B) FSE T2-weighted fat- suppressed images through the superior aspect of the head display two small enhancing foci in the left frontal calvarium (arrows), consistent with either venous lakes or granulation tissue. 48 Chapter 1 ■ THE HEAD D C E FIGURE 1-87 Venous lake versus granulation tissue left frontal calvarium. (continued) C: Axial fluid attenuation inversion recovery (FLAIR), (D) FSE T2-weighted fat-suppressed, and (E) enhanced T1-weighted images in a different patient demonstrate a similar enhancing focus in the left frontal calvarium.

A FIGURE 1-26 Cavum septum pellucidum. Axial enhanced T1-weighted image demonstrates a normal variant, developmental cerebrospinal fluid (CSF)-filled space (arrow) between the frontal horns—termed the cavum septum pellucidum. B FIGURE 1-27 Cavum vellum interpositum. A and B: Axial FSE T2-weighted fat-suppressed images demonstrate a normal variant cerebrospinal fluid (CSF)-filled space (arrows) between the bodies and occipital horns of the ventricles—termed the cavum vellum interpositum. 17 Section I C ■ HEAD AND NECK D FIGURE 1-27 Cavum vellum interpositum.

A B FIGURE 1-87 Venous lake versus granulation tissue less frontal calvarium. A: Axial enhanced T1-weighted and (B) FSE T2-weighted fat- suppressed images through the superior aspect of the head display two small enhancing foci in the left frontal calvarium (arrows), consistent with either venous lakes or granulation tissue. 48 Chapter 1 ■ THE HEAD D C E FIGURE 1-87 Venous lake versus granulation tissue left frontal calvarium. (continued) C: Axial fluid attenuation inversion recovery (FLAIR), (D) FSE T2-weighted fat-suppressed, and (E) enhanced T1-weighted images in a different patient demonstrate a similar enhancing focus in the left frontal calvarium.

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