LIVER TROPICAL ABSCESS. 



395 



head ; an entire lobe or even the whole organ may be in- 

 volved. It may rupture into the pleural or peritoneal cavi- 

 ties, into the stomach, intestine, or externally through the 



FIG. 184. 



Abscess of liver in a case of pysemic infection through a wound in the appendix 

 vermiformis caused by lodgement of a pin (Loomis and Thompson). 



abdominal wall. As to the mode of their formation, but little 

 is known ; undoubtedly they often result from the confluence 

 of smaller abscesses. 



The walls of the abscess are ragged shreds of necrotic liver- 



