Final answer:
Volume rendering is the medical imaging technique that creates 3D images revealing anatomical details in multiple planes. It is unique from other techniques in providing a comprehensive visualization of the body's internal structures.
Step-by-step explanation:
The technique that yields an image appearing 3D and also shows anatomical details above and below 3D surfaces is A. Volume rendering. Volume rendering is used in medical imaging to create three-dimensional representations from a series of two-dimensional cross-sections, such as CT or MRI scans. This method allows for visualizing the inner structure of the body parts in a non-invasive manner and can provide critical insights into the anatomy and potential diseases or injuries.
Contrary to methods like multiplanar reconstruction (which recreates orthogonal planes from the original scans) or maximum intensity projection (which takes the highest intensity voxels to form an image), volume rendering can provide a more holistic and intuitive visualization of the organs and tissues. It is intrinsically different from virtual endoscopy which creates endoscopic simulations typically used to explore hollow structures, such as the colon or bronchi.