Spine + Pelvis + Lower Limb Traumatology

A 40-year-old patient presents to the emergency department following a road traffic accident. The radiograph of his pelvis is shown below. What is the most likely diagnosis?

A patient was admitted to ICU 48 hours after the fracture of the femur. The saturation of oxygen in the rebreathing unit was 100% but his SpO2 remained 60%. The patient was in a state of confusion. Chest radiograph showed lung fields to be clear. What is the most likely diagnosis?

A 20-year-old male patient presented with a history of lower backache and early morning stiffness for two years. He also gave a history of bilateral heel pain for 6 months. Which of the following is the most likely diagnosis?

A patient was brought to the hospital with complaints of pain around the left hip joint following a road traffic accident. On examination, the affected limb was flexed, adducted, and medially rotated with obvious shortening. What is the most likely diagnosis?

A 28-year-old man presented with complaints of backache, morning stiffness, and redness of the eyes. An X-ray image of the spine is given below. Which of the following is the most likely diagnosis?