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  • Pulmonary alveolar proteinosis
    Lipoproteinaceous material deposits within alveoli. Predilection for males in their 20s to 40s. Bilateral symmetric perihilar airspace opacification. Crazy paving CT finding: Geographic ground-glass opacities with thickened interlobular and intralobular septa. Prone to superinfection with Nocardia, Aspergillus, Cryptococcus, and atypical mycobacteria.
    Author: Radiolopolis
  • Mesenteric neoplasms?
    Lymphoma (most common), Metastases (more common than primary tumors), Mesenteric fibromatosis (desmoid tumor), GISTs (large, hemorrhage, necrosis) Sarcomas (leiomyosarcoma, fibrosarcoma, malignant fibrous histiocytoma,liposarcoma)
    Author: Radiolopolis
  • Clinically significant liver lesions?
    Metastases Hepatoma Hepatic adenoma
    Author: Radiolopolis
  • Most common intrathoracic manifestation of rheumatoid arthritis
    Pleural effusion.
    Author: Radiolopolis
  • Common causes of adrenal masses?
    Adenoma. Metastases. Pheochromocytomas. Primary carcinoma. Lymphoma. Myelolipoma. Hemorrhage.
    Author: Radiolopolis
  • Very large aneurysmal aortic root with sinotubular ectasia (tulip bulb appearance)
    Marfan syndrome.
    Author: Radiolopolis
  • Solitary bone cyst discriminator(s)?
    Central. Younger than 30 years.
    Author: Radiolopolis
  • Congenital causes of spinal stenosis?
    Achondroplasia, Morquio`s disease, idiopathic spinal stenosis
    Author: Radiolopolis
  • Spondylolisthesis occurs from either
    Bilateral spondylolysis. Facet joint degenerative change.
    Author: Radiolopolis
  • What pulmonary and collagen vascular diseases can cause pneumatosis of the bowel?
    Scleroderma. SLE. Dermatomyositis. Asthma. COPD. CF.
    Author: Radiolopolis
  • Bronchopleural fistula, postpneumonectomy should be considered if
    Pneumonectomy space fails to fill with fluid. Abrupt decrease in air-fluid level in the pneumonectomy space. New collection of air in previously opacified pneumectomy space. Contralateral mediastinal shift.
    Author: Radiolopolis
  • Pulmonary blood flow in tetralogy of fallot
    Decreased blood flow to left lung.
    Author: Radiolopolis
  • Pancreatic and islet cell tumors are generally hypoechoic. T/F?
    TRUE
    Author: Radiolopolis
  • Sinus mucous retention cyst versus mucocele
    Mucous retention cyst: Obstructed mucous glands within mucosal lining. Usually round. 1 to several cm in diameter. Mucocele: Entire sinus is obstructed. Expansion of sinus. Sinus wall bony thinning and remodeling. Mass may be present obstrucing draining ostium.
    Author: Radiolopolis
  • Enlargement of extraocular muscles with sparing of tendinous attachments to the globe
    Thyroid ophthalmopathy (Graves disease). Causes unilateral or bilateral proptosis in adults. Muscles involved, in decreasing order: I`M SLow. Inferior rectus. Medial rectus. Superior rectus. Lateral retus.
    Author: Radiolopolis
  • Sestamibi and Tetrofosmin Imaging of parathyroid adenoma?
    Immediate and delayed images of neck and mediastinum. May be cold on initial imaging. Hot on delayed (1-2 hours) imaging. Normal thyroid gland washes out.
    Author: Radiolopolis
  • Miliary TB
    May complicate primary or reactivation disease. Hematogenous dissemination. Diffuse bilateral 2- to 3-mm pulmonary nodules.
    Author: Radiolopolis
  • Right adrenal gland is located posterior to the
    Inferior vena cava (IVC) at the level where the IVC enters the liver.
    Author: Radiolopolis
  • Can all produce a positive three-phase bone scan, even in the absence of infection.
    Fractures. Orthopedic hardware. Neuropathic joint.
    Author: Radiolopolis
  • Fetal lateral ventrical evaluation and measurement?
    Measured at atria. Less than or equal to 10 mm. Choroid plexus occupying 60%. Small or dangling choroid plexus may indicate ventriculomegaly.
    Author: Radiolopolis


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Within this section


1. Body Imaging

2. CNS

3. CNS Imaging

4. CT

5. Chest

6. Child

7. Computed Tomography

8. GI

9. GU

10. Gastrointestinal Imaging

11. General Radiology

12. Genitourinary Imaging

13. IR

14. Interventional Radiology

15. MSK

16. Molecular Imaging

17. Musculoskeletal Imaging

18. Neuro

19. Neuroradiology

20. Nuclear Medicine

21. Nucs

22. Pediatric Radiology

23. Pediatrics

24. Sonography

25. Thoracic Imaging

26. US

27. Ultrasound
 
In all sections


1. Body Imaging

2. CNS

3. CNS Imaging

4. CT

5. Chest

6. Child

7. Computed Tomography

8. GI

9. GU

10. Gastrointestinal Imaging

11. General Radiology

12. Genitourinary Imaging

13. IR

14. Interventional Radiology

15. MSK

16. Molecular Imaging

17. Musculoskeletal Imaging

18. Neuro

19. Neuroradiology

20. Nuclear Medicine

21. Nucs

22. Pediatric Radiology

23. Pediatrics

24. Sonography

25. Thoracic Imaging

26. US

27. Ultrasound

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