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Corrigenda, 10th Edition

Known errors and corrections for the 10th edition of Greenberg's Handbook of Neurosurgery.

View 11th Edition Corrigenda →

Page 1280 (print edition) — Section 77.1, Item 2

As Printed

"2. as each nerve root exits through its neural foramen, it passes in close relation to the undersurface of the like-numbered pedicle"

This is incorrect — the nerve root passes above the like-numbered pedicle, not below it. The three statements in this section have been reworded in the 11th edition to reflect the correction and to hopefully clarify the relationship.

Corrected in the 11th Edition

  1. In the cervical region, the nerve root exits above the pedicle of its like-numbered vertebra (opposite to the situation in the lumbar spine, due to the fact that there are 8 cervical nerve roots and only 7 cervical vertebrae) except for the C8 root, which passes above the T1 pedicle.
  2. The space between each pedicle and the one immediately above and the one immediately below is about the same size as the disc space height.
  3. As a result, a herniated cervical disc typically compresses the nerve root exiting at that level (e.g., a C5-6 HCD usually causes a C6 radiculopathy).

Page 1560-1561 (print edition) — Section 93.5.3 CT perfusion

As Printed

"Assumption: the infarcted core (with no salvageable tissue) has decreased CBF within a region of decreased CBV (CBF/CBV match). A mismatched area (decreased CBV without a decrease in CBF) represents potentially salvageable penumbra."

This is incorrect — The CBF and CBV relationships are reversed. In ischemic penumbra, CBF is reduced, whereas CBV is relatively preserved.

Corrected in the 11th Edition

    94.5.4 CT perfusion
    See CT perfusion (p. 363).
    Theoretically identifies salvageable penumbra as a region of mismatch between CBF and CBV. Assumption: the infarcted core (with no salvageable tissue) has decreased CBF within a region of decreased CBV (CBF/CBV match). A mismatched area (decreased CBF with a preserved or only slightly reduced CBV) along with an increased Mean Transit Time (MTT) represents potentially salvageable penumbra. Implication: thrombolytics and interventional treatment modalities without mismatch may result in less relative clinical benefit.