Mae gwasanaethau delweddu'n wynebu nifer o heriau sylweddol megis y galw cynyddol am ddulliau delweddu cywir ac anfewnwthiol; materion sy’n ymwneud â’r gweithlu megis recriwtio, hyfforddi, ac ymddeol; yr angen i roi diagnosis cyflymach ar gyfer cyflyrau; technegau a thechnolegau delweddu newydd. Gallai heriau o'r fath olygu oedi diangen wrth roi diagnosis a thriniaeth, ac mae yna dystiolaeth gref bod angen inni weddnewid ein darpariaeth o wasanaethau.
Imaging services face a number of significant challenges such as the increasing demand for non-invasive and accurate imaging modalities; workforce issues related to recruitment, training and retirement; the need to diagnose conditions quicker and; new imaging techniques and technologies. Such challenges can lead to unnecessary delays in diagnoses and treatment and there is compelling evidence of the need to transform the provision of imaging services here in Wales.