8 results
What's in a Fibril?
Amyloid 8-12 nm Congo Red + Randomly arranged 
Fibrillary GN 12-20 nm Congo
Randomly arranged Fibrillary ... #differential #fibrillary
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
syndrome) MGRS: • Fibrillar ... and monoclonal fibrillary
Main types of autoimmune encephalitis in the ICU. 
Anti-NMDAR anti-N-methyl-d-aspartate receptor, ADEM acute disseminated encephalomyelitis, Anti-GFAP
Anti-GFAP anti-glial fibrillary
Systemic Sclerosis Associated Autoantibodies
Anti-topoisomerase I (anti-Sc170): Diffuse skin disease, Pulmonary fibrosis
Anti-centromere: Limited skin disease (~93-95%), Pulmonary
onset Anti-U3RNP (fibrillarin
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
transverse image the fibrillar
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
other SARD - Fibrillarin
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• No P Waves/Fibrillary
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
other SARD • Fibrillarin