Small round pits as lytic lesions (IMAGE) Eötvös Loránd University Caption Small round pits as lytic lesions indicate the presence of the pathogen in the cancellous bone tissue the vertebral bodies, which leads to the focal destruction of bone. Credit Photo by Krisztián Kiss (ELTE) Usage Restrictions Credit must be given License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.