Coronal C+ arterial phase
Modality: CT (C+ arterial phase)

- “ The collar sign sign, also called hourglass sign or cottage loaf sign, refers to a waist like constriction involving the contour of the herniated ...”

Used in the following article:

  • Collar sign in diaphragmatic rupture - “ The collar sign, also called the hourglass sign, is a helpful sign for diagnosis of diaphragmatic rupture on coronal or sagittal CT/ MR images and...”
  • Cottage loaf sign (liver) - “ The cottage loaf sign occurs as a result of a right-sided diaphragmatic rupture with partial herniation of the liver through the diaphragmatic def...”

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