Immunodeficiency pneumonia

Potential pathogens may be many in patients with impaired defenses. However, depending on the nature of the host's immune deficiency, X-ray changes and the type of clinical symptoms, the most likely pathogen can often be determined. Depending on the type of patient's immune deficiency, it should be noted that respiratory symptoms and chest X-ray abnormalities may be caused by various causes other than infections, such as pulmonary hemorrhage, pulmonary edema, radiation damage, lung damage caused by cytotoxic drugs, and tumor infiltration.

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