What is the endpoint test used for detecting calcium deposits during tissue processing?

The endpoint test utilized for detecting calcium deposits during tissue processing is X-ray imaging. X-rays are effective because they provide a clear visual representation of dense materials, such as calcium, within tissues. Calcium deposits appear as radiopaque areas on the X-ray film, allowing for straightforward identification and localization of pathological calcifications.

X-rays are commonly used in clinical practice due to their accessibility and speed in providing results. Other imaging modalities like ultrasound, MRI, and CT scans may also visualize certain pathological changes, but they are not specifically designed as endpoint tests for calcium detection in tissue specimens. Ultrasound is primarily used for soft tissue evaluation and fluid assessment, MRI excels in soft tissue contrast but less so for mineral content, and while CT can identify calcifications, it is typically not the first choice for evaluating tissue samples specifically for calcium deposits in histopathology.