Radiology spotters

1. 20180103
1/4/2018 abrakca 1

2. 1
1/4/2018 abrakca 2

3. • Tricompartmental Osteoarthritis
• Joint Effusion
• Tophus
1
1/4/2018 abrakca 3

4. • Knee joint effusions
• lateral projections
• soft-tissue density in the suprapatellar recess
• loss of normal posterior fat plane of the quadriceps tendon
• fat pad separation sign:
• >10mm diagnostic
• <5mm means no joint effusion
1
1/4/2018 abrakca 4

5. 2
1/4/2018 abrakca 5

6. 2
1/4/2018 abrakca 6

7. Lipohaemarthrosis
• fat-fluid level (FBI sign)
• Ideally patient has been lying in that position for ~5 minutes to allow fat and
blood to adequately separate
• results from an intra-articular fracture
• Knee, also in hip, shoulder and elbow fractures
2
1/4/2018 abrakca 7

8. 3
1/4/2018 abrakca 8

9. Abdominal Aortic Aneurysm
3
1/4/2018 abrakca 9

10. 4 21 year old HIV positive patient with fever
1/4/2018 abrakca 10

11. Pneumocystis Carinii Pneumonia
• Most common cause of interstitial pneumonia in immunocompromised
• Organism Protozoan / fungus Pneumocystis carinii (jiroveci)
4
1/4/2018 abrakca 11

12. 5
1/4/2018 abrakca 12

13. Salter-Harris Classification Of Epiphyseal Injuries
• fracture lateral condyle
• involving epiphysis, epiphyseal plate and lateral metaphysis/condyle.
• Salter Harris IV fracture.
5
Thurston-Holland sign.1/4/2018 abrakca 13

14. 6 Abdominal pain. History of mastectomy three years ago.
1/4/2018 abrakca 14

15. Calcified leiomyoma
6
1/4/2018 abrakca 15

16. 1/4/2018 abrakca 16

17. spinnaker sign/ angel wing sign
• Pneumomediastinum
• thymus being outlined by air with each lobe displaced laterally and
appearing like spinnaker sails
1/4/2018 abrakca 17

18. 8
1/4/2018 abrakca 18

19. thymic sail sign
• Triangular shaped inferior margin of normal thymus
8
1/4/2018 abrakca 19

20. 9
1/4/2018 abrakca 20

21. Aggressive Periosteal Reaction (Sunburst Appearance )
• osteosarcoma
• but can also occur with other aggressive bony lesions such as Ewing
sarcoma or osteoblastic metastases (e.g. prostate, lung or breast
cancer).
9
1/4/2018 abrakca 21

22. 10
1/4/2018 abrakca 22

23. Thank You
10
1/4/2018 23