Microbiology Flashcards
1
Q
BAL Normal Diff
A
85% Monocytes/Macrophages
10-15% lymphs
<5% Epithelial
<3% Neutrophils
<1% eos
2
Q
BAL - Lymphocytic Predominant DDx
A
> 15% Lymphocytes
CTD/CVD
COP
Drug induced
HP ( > 50% highly suggestive)
Lymphoproliferative dz
NSIP ( > 50% highly suggestive)
Sarcoidosis
Radiation
3
Q
BAL - Neutrophilic Predominant DDX
A
> 3% Neutrophils
Aspiration
Asbestosis
ARDs/DAD
Bronchitis
CTDs
IPF
Infections
4
Q
BAL- Eosinophilic Predominant
A
> 1% Eosinophils
Asthma
ABPA
BM Transplant
Drug induced
Eosinophilic Pneumonias (>25% highly suggestive)
Infections- Bacterial, fungal, helmith
pjp
Hodgkins
5
Q
bal Lymphocyte >50%
A
Granulomatous disorder-
– sarcoid
– hp
– Beryllious
– NSIP
– Drug reaction
– LIP
– COP
– Lymphoma