Neoplasia: Definition, Classification, and Causes

Helicobacter pylori infection is associated with B cell lymphoma of the stomach, known as MALTOMAs.

Chemical carcinogens with reactive electrophile groups directly damage DNA, leading to mutations and eventually cancer.

Tumor promoters stimulate proliferation of mutated cells, enhancing tumorigenesis.

<p>Ionizing radiation causes chromosome breakage, rearrangements, and mutations that affect cancer genes, driving carcinogenesis.</p> Signup and view all the answers

<p>Clinical aspects of tumors include cachexia, paraneoplastic syndromes, tumor grading, and staging.</p> Signup and view all the answers