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Figure 13 (left): CT scan shows ghost marrow just to right of midline.  Notice the several
                    radiolucent areas of missing marrow, i.e. cavitation.
Figure 14 (right): CT scan shows large cavitation in maxilla, extending from cortex to cortex.

Figure 15 (left): Ghost marrow is just to the left of the maxillary midline on this CT scan.
Figure 16 (right): Three-dimensional CT scan shows moth-eaten destruction of sinus floor.

Figure 17 (left): Crude representation of untrasound Cavitat scan shows small alveolar cavitation.  
                   Green = no bone loss; brown = much bone loss.
Figure 18 (right): Cavitat scan shows extensive destruction of alveolar bone by osteonecrosis.