One embodiment of the present disclosure is directed to a mobile X-ray unit. The mobile X-ray unit may include a base accommodating a control unit for controlling an X-ray applicator and a power supply for supplying power to the X-ray applicator. The mobile X-ray unit may further include an arm associated with the base. The arm may be configured to support an X-ray applicator having an X-ray tube. The arm may be articuable. The X-ray tube may include a target element configured to generate an X-ray beam and a collimator configured to shape the X-ray beam. The target element may be disposed at a set distance from the collimator.
