DPA full form in medical term is Dual photon X-ray absorptiometry technology. DPA devices comprise a gadolinium 153, isotope, as the source of photons. On the other side, DXA devices include an X-ray tube. In general, dual photon X-ray absorptiometry is a misnomer. The device processes a photo B with two different energy levels of 100 keV and 44 keV. The power that is more absorbed by the soft tissue is subtracted from the power that is more absorbed by the bone to determine bone mineral density.
In simple words, DPA is a well-known procedure for measuring bone mineral density. It improves the evaluation of BMD over DPA on the matter of better resolution, resulting in better accuracy. At present, DXA has become available to measure BMD regionally and in the TB.
A few things are taken care of by the health worker for DPA scanning: