Gen Med Flashcards
1
Q
Condition
A
Amyloidosis
Apple green bifringence w/ congo red staining on polarized light microscopy
AA most common (ATTR less so, AA very rare)
2
Q
Alpha 1 antitrypsin def - associations
A
- COPD
- Liver dis (unless ZZ null phenotype)
- GPA
3
Q
Alpha 1 antitrypsin def - Genotypes
A
M - normal
Z - null AATD produced in ZZ
AAT is an acute phase protein so measure w/ CRP
4
Q
Rx AL amyloidosis
A
Dx With SPEP, SFLC, BMAT
Rx: Ø dis modifying agents, even if plasma cell dyscrasia stopped
- Trial chemo (bortezomib-based) + autologous SCTx if fit enough
- Not lenalidomide - poorly tolerated
- Not HF meds - also poorly tolerated (esp β blockers), high rates of PPM (2⁰ AVB)