Critical Care Registered Nurse (CCRN) Practice Exam

What is the role of imaging in the diagnosis of brain metastases?

1. It is primarily used for surgical planning

2. It can help to identify the presence of multiple lesions

3. It is not useful in this context

4. It can only determine the size of the tumors

The correct answer is: It can help to identify the presence of multiple lesions

Imaging plays a crucial role in the diagnosis of brain metastases, particularly in its ability to identify the presence of multiple lesions. This is important because multiple brain metastases are common and can significantly influence treatment decisions. Brain imaging techniques, such as MRI and CT scans, are invaluable in visualizing the brain's anatomy and detecting abnormal growths, allowing healthcare professionals to assess the extent of disease spread. When evaluating brain metastases, these imaging modalities provide detailed images that help in distinguishing metastatic lesions from other conditions, such as primary brain tumors or abscesses. The identification of multiple lesions can guide the clinician in formulating a treatment plan, which might include radiation therapy or systemic therapy, rather than surgical intervention alone. Other options do not encompass the main function of imaging in this context. While imaging may also be involved in surgical planning, its primary significance lies in the detection and characterization of lesions. The assertion that imaging is not useful is inaccurate, as it is a standard practice in diagnosing brain metastases. Additionally, stating that imaging can only determine tumor size overlooks the broader diagnostic capabilities, including the identification of the number of lesions and their locations, which are critical for comprehensive management of the patient's condition.