Position: AP Kidney Supine The supine kidney projection demonstrates renal size and position. It evaluates masses and hydronephrosis. Proper centering ensures diagnostic clarity. This projection complements upright kidney. It is used in GU imaging.
Position: AP Retroperitoneum The AP retroperitoneum projection evaluates kidneys, ureters, and psoas margins. It is used for trauma and infection. Proper centering ensures full visualization. This projection complements lateral retroperitoneum. It is recognized on ARRT exams.
Position: Lateral Retroperitoneum The lateral retroperitoneum projection demonstrates retroperitoneal structures in profile. It evaluates masses and hemorrhage. Proper positioning prevents rotation. This projection complements AP retroperitoneum. It is used in trauma imaging.
Position: AP Skull Reverse Caldwell The reverse Caldwell projection is used when PA positioning is not possible. It demonstrates frontal bones and orbits. Proper angulation prevents distortion. This projection complements standard Caldwell. It is recognized on ARRT exams.
Position: AP Skull Reverse Waters The reverse Waters projection demonstrates maxillary sinuses when chin extension is not possible. It evaluates fractures and sinusitis. Proper angulation is essential. This projection complements standard Waters. It is used in trauma imaging.
Position: AP Skull Reverse Towne The reverse Towne projection demonstrates the occipital bone when standard Towne cannot be performed. Proper angulation projects the dorsum sellae into the foramen magnum. This projection evaluates cranial base fractures. It complements standard Towne. It is recognized on ARRT exams.
Position: AP Abdomen Post Evacuation The post evacuation abdomen projection evaluates residual contrast after barium enema. It assesses colon emptying. Proper centering ensures full abdominal coverage. This projection complements BE series. It is recognized on ARRT exams.
Position: PA Mandible Trauma The PA trauma mandible projection evaluates fractures without moving the patient. Proper centering ensures visualization of the rami and body. This projection complements axiolateral trauma mandible. It is used in emergency imaging.
Position: AP Stomach Prone The prone stomach projection demonstrates the body and antrum. It improves visualization of mucosal folds. Proper centering ensures diagnostic quality. This projection complements upper GI series. It is used in fluoroscopy.
Position: Axiolateral Mandible Trauma The trauma axiolateral mandible projection demonstrates the mandible with minimal movement. It evaluates fractures and TMJ alignment. Proper angulation prevents superimposition. This projection complements PA trauma mandible. It is recognized on ARRT exams.