shunting contaminated portal venous blood through the liver in patients with laennec 's cirrhosis , or bypassing the liver with similar infected blood from a genitourinary source by way of batson 's perivertebral plexus draining into the cerebral dural sinuses may be important in the pathogenesis of these infrequent cases of nontraumatic gram-negative bacillary meningitis .
C0023884
liver
C1622502
laennec 's cirrhosis