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Presentation1, mri quiz cases.

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Presentation1, mri quiz cases.

  1. 1. Musculo-skeletal Quiz Cases. Dr/ ABD ALLAH NAZEER. MD.
  2. 2. Ankle Joint.
  3. 3. Osteochondritis Dissecans.
  4. 4. Anterior inferior tibiofibular ligament and a non-displaced spiral fracture of the distal fibular shaft.
  5. 5. Anterior talofibular ligament injury.
  6. 6. Chronic tear of the anterior talofibular ligament.
  7. 7. Sinus tarsi syndrome.
  8. 8. Os Trigonum Syndrome.
  9. 9. Pigmented Villonodular Synovitis.
  10. 10. Hemophilic arthropathy, there is marked synovial proliferation at the ankle and posterior subtalar joints which appears of low signal on all sequences. There is some contrast enhancement consistent with synovitis. There is marrow edema within the talus and calcaneum and degenerative disease of the posterior subtalr joint.
  11. 11. Synovial Osteochondromatosis.
  12. 12. Shoulder joint.
  13. 13. Synovial Osteochondromatosis
  14. 14. Findings reveal the classic degenerative process that begins with acromio - clavicular arthritis, complete tear of the supra- spinatous with retracted tendon, subacromial and subdeltoid bursitis, and also, infra- spinatous tear
  15. 15. Features of internal impingement of the shoulder with humeral head cysts underlying infraspinatus, superior fiber infraspinatus and posterior fiber supraspinatus tendinosis and posterosuperior labral fraying. Subacromial bursal thickening and increased fluid indicating co-existing subacromial bursitis.
  16. 16. Adhesive capsulitis. There is thickening of the axillary pouch, which is only mildly hyperintense (arrow). b Axial proton density FSE image of the same patient demonstrates moderate scarring of the rotator interval (arrow).
  17. 17. Adhesive Capsulitis.
  18. 18. SS Calcification, Bursal Extrusion MR .
  19. 19. Infraspinatus tendon calcification.
  20. 20. Full-thickness tear of the supraspinatus tendon.
  21. 21. Knee Joint.
  22. 22. Anterior Cruciate Ligament tear / avulsion with buckling of the posterior cruciate ligament
  23. 23. Liposarcoma.
  24. 24. Large pre-patellar bursitis.
  25. 25. Osteochondritis Dissecans.
  26. 26. Sagittal images (A,B,C) and coronal image (D) of T2 weighted MRI. A horizontal meniscal tear is identified inside the meniscus in Figure 1- A (a white arrow). A multilobulated cyst is located just behind the medial meniscus and the PCL (B, C). The cyst is in communication with the meniscal tear on Figure 1-D (white arrows). Note that the horizontal meniscal tear has not extended to the tibial or femoral surface.
  27. 27. ACL Mucoid degeneration with cyst- formation (intraosseus ganglion). Mucoid material is squeezed from between the ACL- fibers into the bone. At arthroscopy ACL and bone looked normal.
  28. 28. ACL ganglion cyst
  29. 29. The double PCL sign appears on sagittal MRI images of the knee when a bucket-handle tear of the medial meniscus.
  30. 30. ACL tear, anterior drawer sign with intra-articular loose body, and the world's worst deep lateral femoral sulcus sign.
  31. 31. Meniscal Root Tear.
  32. 32. Meniscal Root Tears
  33. 33. Synovial Hemangioma:
  34. 34. Hip Joint.
  35. 35. Avascular necrosis of both femoral heads, grade 11 and 111.
  36. 36. Avascular necrosis of both femoral heads grade 11.
  37. 37. Perthes disease.
  38. 38. Perthes disease.
  39. 39. Perth's Disease
  40. 40. Juvenile Idiopathic Arthritis
  41. 41. Transient osteoporosis of the hip.
  42. 42. Septic arthritis.
  43. 43. Intra-articular Loose body.
  44. 44. Slipped capital femoral epiphysis.
  45. 45. Coxa vara
  46. 46. Cam type femoral acetabular impingement syndrome.
  47. 47. Elbow Joint.
  48. 48. Bicipito- Radial Bursitis.
  49. 49. Tennis elbow.
  50. 50. T2-weighted coronal MRI scans showing a complete tear of the LUCL (white arrows) preoperatively and incomplete ligament healing with mild widening of the radiocapitellar joint space
  51. 51. MRI of a severely damaged medial ulnar collateral ligament in a throwing athlete.
  52. 52. Triceps tendon tear and olecranon avulsion fractures.
  53. 53. Olecranon bursitis.
  54. 54. Osteochondritis dissecans of the capitellum.
  55. 55. Pigmented villonodular synovitis.
  56. 56. Pigmented villonodular synovitis.
  57. 57. Wrist Joint.
  58. 58. Idiopathic bilateral lunate and triquetrum avascular necrosis
  59. 59. Avascular necrosis of the scaphoid.
  60. 60. Ulnocarpal abutment. Hamatolunate impaction. Ulnar impingement.
  61. 61. Dequervain's tenosynovitis. Intrinsic signal changes and fluid in the sheath of the first extensor compartment tendons (arrow). (B) Patient with inflammatory arthropathy and tenosynovitis
  62. 62. Carpal tunnel syndrome. (A) Sagittal T2-weighted image with fat suppression reveals thickening of the median nerve proximal to the carpal tunnel (arrow);
  63. 63. Ganglion cyst.
  64. 64. Compressive ulnar neuropathy. (A) Axial PD-weighted sequence with fat suppression at the level of the canal of Guyon’s. The ulnar nerve (arrow) has high signal intensity and it is thickened. There is a ganglion cyst (*) compressing the ulnar nerve against the pisiform. (B) The ganglion cyst (*) is large and extends distally beyond the ulnar tunnel (hook of the hamate **).
  65. 65. Rheumatoid arthritis. Coronal T2-weighted image with fat suppression. Diffuse deep chondral erosions of the proximal and midcarpal compartments and large joint effusion with synovitis (*) were found during the investigation of chronic wrist pain in this 35-year-old woman. Erosions are seen in the scaphoid and triquetrum (arrows).
  66. 66. Intraosseous ganglion cyst.
  67. 67. Rheumatoid arthritis with MR image demonstrates multiple erosions in the carpal bones and bases of the metacarpals, with pannus formation around the distal ulna and extensive tenosynovitis.
  68. 68. Fibrolipomatous hamartoma of the median nerve.
  69. 69. Thank You.

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