MRI

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Author:
anaraya1
ID:
228630
Filename:
MRI
Updated:
2013-08-26 14:04:51
Tags:
MRI radiology
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Description:
MRI rotation flash cards
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  1. What is the pathophysiology of adenomyosis?
    Ectopic endometrium in the myometrium

    Causes myometrial hyperplasia
  2. What is the definition of diffuse adenomyosis on MRI?
    Thickening of junctional zone myometrium greater than 12 mm
  3. What syndrome is associated with multiple malignant cervical cysts?
    Peutz Jeghers (associated with adenoma malignum)
  4. Where in the prostate do most prostate cancers originate?
    Peripheral zone
  5. What area of the prostate hypertrophies in BPH?
    Transitional zone (around urethra)
  6. What are the characteristic MRI findings of prostate cancer?
    Low T2 signal

    Restricted diffusion

    Contrast enhancement
  7. What are characteristic findings of osteomyelitis?
    *T1 hypointense

    T2 hyperintense

    Contrast enhancement

    Sinus tract/skin defect
  8. How can you distinguish between clear cell and papillary renal cell carcinioma?
    Clear cell carcinoma - T2 hyperintense

    Papillary cell carcinoma - T2 HYPOintense
  9. What how do malignant breast lesions differ from benign lesions in enhancement over time?
    Malignant lesions enhance, then washout (type 3 curve)

    Benign lesions continue to enhance
  10. What are characteristic findings of iron overload on MRI?
    Decreased signal on in phase imaging compared with out of phase imaging (reverse of steatosis)
  11. What is the most common type of retroperitoneal malignancy?
    Liposarcoma
  12. What is the difference between total and partial anomalous pulmonary venous return?
    Partial - at least one of the pulmonary veins drain into the left atrium

    Total - none of the pulmonary veins drain into the left atrium
  13. What long term intraabdominal sequelae of pelvic inflammatory disease?
    • Perihepatic adhesions
    • (Fitz-Hugh-Curtis syndrome)

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