Bursitis other diagnostic studies: Difference between revisions

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Revision as of 18:36, 24 August 2016

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mehrsefat, M.D. [2]

Other diagnostic studies for bursitis include aspiration of the bursal fluid. It may be helpful in differentiate septic and aseptic bursitis.

Indications for aspiration of bursal fluids include:


Type of Bursitis	Aspiration of bursal fluids
Septic bursitis	White blood cell count (WBC) greater than 5000 to 20,000 mm3 with left shifts Increased protein and lactate level Decreased glucose level Positive culture and Gram stain
Aseptic bursitis	White blood cell count (WBC) <500 mm3 Normal protein and lactate level Normal glucose level Negative culture and Gram stain
Bursitis associated with gout	Positive monosodium urate crystals
Bursitis associated with pseudogout	Positive calcium pyrophosphate crystals positive
Bursitis associated with rheumatoid arthritis	Positive cholesterol crystals

On aspiration of the bursa, Aseptic bursitis is characterized by

White blood cell count (WBC) <500 mm3
On aspiration of the bursa, septic bursitis is characterized by
Increased protein and lactate level,
Decreased glucose level,
White blood cell count (WBC)WBC greater than 5000 to 20,000 mm3 with left shifts
Positive culture and Gram stain

On aspiration of the bursa, bursitis associated with rheumatoid arthritis is characterized by

On aspiration of the bursa, bursitis associated with gout is characterized by

On aspiration of the bursa, bursitis associated with pseudogout is characterized by

@@ Line 19: / Line 19: @@
 | style="padding: 5px 5px; background: #DCDCDC;" | '''[[Septic]] bursitis'''
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*[[white blood cell|White blood cell count (WBC)]]WBC greater than 5000 to 20,000 mm3 with left shifts
+*[[white blood cell|White blood cell count (WBC)]] greater than 5000 to 20,000 mm3 with left shifts
 *Increased [[protein]] and [[lactate]] level
 *Decreased glucose level
@@ Line 33: / Line 33: @@
 | style="padding: 5px 5px; background: #DCDCDC;" | '''Bursitis associated with [[gout]]'''
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*Presence of [[monosodium urate crystals]]
+* Positive [[monosodium urate crystals]]
 |-
 | style="padding: 5px 5px; background: #DCDCDC;" | '''Bursitis associated with [[pseudogout]]'''
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*Presence of calcium pyrophosphate crystals
+*Positive calcium pyrophosphate crystals positive
 |-
 | style="padding: 5px 5px; background: #DCDCDC;" | '''Bursitis associated with [[rheumatoid arthritis]]'''
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*Presence of cholesterol crystals
+* Positive cholesterol crystals
 |}