Certified Tumor Registrar (CTR) Practice Exam

What is the class of case for a patient diagnosed with painful bone metastasis treated with beam radiation at the reporting facility?

1. 00

2. 14

3. 22

4. 31

The correct answer is: 14

In the context of cancer case classification, the class of case refers to how a specific case is categorized based on the patient's diagnosis and treatment at the reporting facility. When a patient is diagnosed with painful bone metastasis and treated with radiation therapy at the reporting facility, this scenario fits the criteria for classifying the case as one involving metastatic disease. The classification of '14' is used for a patient with a known primary cancer who subsequently develops metastatic disease and receives treatment for the metastatic lesion at the reporting facility. Since the patient is receiving treatment for bone metastasis, which is a distant spread from the primary cancer, it is considered a metastatic case. This classification specifically accounts for cases where treatment for metastatic disease is provided within the reporting period at the facility. The other options do not align with this scenario. For instance, '00' typically denotes cases that are not reportable (such as benign tumors), while '22' and '31' correspond to different treatment circumstances or follow-up scenarios that do not apply in this context. Thus, the classification as '14' accurately reflects the treatment of a known primary cancer with subsequent metastatic disease at the reporting facility.