Final answer:
Immunodeficiency disorders are a group of conditions where the immune system's ability to fight infections is significantly impaired, leading to a greater risk of infections. In contrast, neoplasms, such as lymphoma and leukemia, come from uncontrolled cell growth when immune regulations fail.
Step-by-step explanation:
Immunodeficiency disorders (IDs) are conditions where the immune system's ability to fight infections and diseases is compromised or entirely absent. The hallmark of immunodeficiency is an increased susceptibility to infections, which may be recurrent, more severe, and harder to treat. These disorders can be divided into primary (congenital) and secondary (acquired) categories.
Immunodeficiency versus neoplasms: While immunodeficiency involves a weakened immune response, neoplasms, or tumors, can arise when the immune system fails to regulate cell growth, leading to cancer. Specifically, two cancers of the immune system include lymphoma and leukemia.
Some common characteristics of immunodeficiency disorders include frequent and recurrent pneumonia, bronchitis, sinus infections, or skin infections, slow growth or weight gain in infancy despite good appetite, and blood disorders such as low platelet count or anemia.