Other Radiology Services & Radiological Procedures Other Radiology Services DeKalb Medical offers a wide variety of radiology services. Click on any of the links below to learn more about these procedures. Angioplasty & Vascular Stent Computed Tomography (CT) Diagnostic X-ray & Fluoroscopy Interventional Radiology Lumbar Puncture Magnetic Resonance Imaging (MRI) Myelogram Needle Biopsy Nuclear Medicine PET Scan