What does "S1-S2" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"S1-S2" refers to the area between the first and second sacral vertebrae in the spine. The sacral vertebrae are located in the lower part of the back, just above the tailbone. When a document mentions "S1-S2", it's talking about the space or the disc that sits between these two specific bones in the spine.
BaluMed makes medicine understandable! Our extensive medical report explanation 'translates' complex medical terms from MRI findings and discharge summaries into easily understandable language. With a combination of artificial intelligence and medical expertise, we offer quickly available and reliable information.