8 results
Urine Microscopy - Kidney Stones and Crystals 

Uric Acid, Cystine, Hippurate, Cloth Fiber, Tyrosine, CaOx, CaP,
Urine Microscopy ... Kidney Stones and Crystals ... #Microscopy #Crystals ... Identification #Differential ... Shapes #Diagnosis #Clinical
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Gout - Uric Acid Crystals ... “Pseudogout” - Calcium ... Pyrophosphate Dihydrate Crystals ... secondary) • Rheumatoid
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... in persons with rheumatoid ... Crystal Deposition ... ochronosis and crystal ... approach #workup #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... likely it will be clinically ... • Rheumatic Diseases ... Arthritis, Sjögren ... rheumatology #diagnosis #differential
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... Crystal-induced ... arthritis: Calcium ... hydroxyapatite crystals ... Behçet syndrome,* rheumatoid
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... (gout) or calcium ... • Serum and urine ... ANA and RF (if clinical ... #Disease #Rheumatoid
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... ANCA-associated vasculitis, rheumatoid ... lymphoproliferative syndrome Clinical ... edema, active urine
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid ... arthritis, Ankylosing ... Clinical suspicion ... the extent of disease ... polarized light microscopy