Case 1: "A 74-year-old male presents with right knee pain for 1 week"
Case 2: " A 39-year-old male presents with right hip pain for 9 months"
Case 3: "A 65-year-old female presents with painful visual loss of left eye for 1 day"
Case 4: " A 63-year-old male presents with Aboomnal pain for 1 Day"