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Joint effusion by joint fluid type

Joint effusion by joint fluid type is a topic covered in the Diagnosaurus.

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Etiology

Group I: Noninflammatory (200-300 WBC, < 25% PMNs)

  • Osteoarthritis
  • Trauma (may be hemorrhagic)
  • Osteochondritis dissecans
  • Osteochondromatosis
  • Neuropathic arthropathy (may be hemorrhagic)
  • Subsiding or early inflammation
  • Hypertrophic osteoarthropathy (group I or II)
  • Pigmented villonodular synovitis (may be hemorrhagic)
Group II: Inflammatory (3000-50,000 WBC, >50% PMNs)
  • Rheumatoid arthritis
  • Gout or pseudogout
  • Reactive arthritis (Reiter’s syndrome)
  • Ankylosing spondylitis
  • Psoriatic arthritis
  • Arthritis accompanying inflammatory bowel disease
  • Rheumatic fever (group I or II)
  • Systemic lupus erythematosus (group I or II)
  • Scleroderma (group I or II)
  • Tuberculosis
  • Mycotic infection
Group III: Purulent (>50,000 WBC, >75% PMNs)
  • Pyogenic bacterial infection
Hemorrhagic
  • Hemophilia or other bleeding disorder
  • Trauma with or without fracture
  • Neuropathic arthropathy
  • Pigmented villonodular synovitis
  • Synovioma
  • Hemangioma and other benign neoplasms

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Last updated: December 1, 2014

Citation

Zeiger, Roni F.. "Joint Effusion By Joint Fluid Type." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114077/0/Joint_effusion_by_joint_fluid_type.
Zeiger RF. Joint effusion by joint fluid type. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114077/0/Joint_effusion_by_joint_fluid_type. Accessed June 25, 2019.
Zeiger, R. F. (2014). Joint effusion by joint fluid type. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114077/0/Joint_effusion_by_joint_fluid_type
Zeiger RF. Joint Effusion By Joint Fluid Type [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 June 25]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114077/0/Joint_effusion_by_joint_fluid_type.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Joint effusion by joint fluid type ID - 114077 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114077/0/Joint_effusion_by_joint_fluid_type PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -