Arthritisoverview

Duration? acute chronic

Infection Trauma/Hemarlhrosis Crystal deposition

Reactive Earty chronic cause

Indolent infection Earty oligopoly

Inflammation?

poty

» Joints involved X I N 70 oltgo t

Indolent infection Spondyloarthropathy Early poly

Osteoarthntis Internal derangement Osteonecrosis Tumor

Rheumatoid Lupus Myositis Systemic Sclerosis CPPD disease

Comparison of Major Arthritides

Feature

OA

RA

Gout

Spondylo

arthropathy

Onset

gradual

gradual

acute

variable

Inflammation

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Pathology

degeneration

pannus

microtophi

enthesitis

# of joints

poly

poly

mono to poly

oligo or poly

Type of joints

small or large

small

small or large

large

Locations

hips, knees, spine

MCP. PIP

MTP

sacroiliac

typically

1st CMC

wrists

feet, ankles

spine

involved

DIP. PIP

feet, ankles

knees

large peripheral

Special

Bouchard s nodes

ulnar dev.

urate

en bloc spine

articular

Heberdens nodes

swan neck

crystals

enthesopathy

findings

boutonnière

(eg, Achilles)

Bone

osteophytes

osteopenia

erosions

erosions

changes

erosions

ankylosis

Extra

SC nodules

tophi

uveitis

articular

pulmonary

olec. bursitis

conjunctivitis

features

cardiac

renal stones

aortic insuff.

splenomegaly

psoriasis

IBD

Lab data

normal

©rf.

tua

anti-CCP

Test

Normal

Analysis of Joint Fluid

Noninflammatory Inflammatory

Septic

Appearance

clear

clear, yellow

clear to opaque yellow-white

opaque

WBOmm5

• 200

2.000

>2,000

>2.000 usuoHy >S0K

Polys

<25%

<25%

^50%

a 75%

Culture

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Conditions

OA, internal derangement

RA, crystal

CTD spondyloarth.

infection

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