Symptom Based Radiology is a radiology textbook written for primary care providers. It provides "one-stop shopping" for the information they need to order the right imaging study the first time, every time. The book helps primary care providers answer the question, "What imaging study do I order?" for various patient symptoms, including: hematuria, flank pain, hypertension, renal failure, female pelvic pain or mass, abnormal uterine bleeding and scrotal pain or mass headache, seizure, dementia, cranial nerve symptoms, neck masses, spine-related pain, right upper quadrant pain, general abdominal pain with inflammation, difficulty swallowing, female low abdomen/pelvic pain, cough, dyspnea, pulmonary nodules, chest pain, pulsatile abdominal mass, lower extremity pain and swelling, claudication, polyarthropathy, extremity masses, osteoporosis screening, acute and chronic joint pain, and pediatric cough and fever. The book covers the gamut of radiology modalities including plain films, ultrasound, mammography, computed tomography, magnetic resonance imaging and nuclear medicine. It also contains a separate chapter on radiation exposure and iodine and gadolinium-based intravenous contrast material. Using the knowledge in this book, the primary care provider can confidently order the correct test for the patient and provide high quality care while eliminating extra steps and expense.