W 5/31 Flashcards
CD16
FcR
+TdT
ALL
MPO+
AML
t(15;17)
RAR (APL)
CD5, CD20
CLL
TRAP+
Hair cell leukemia
t(9;22)
CML (BCR-ABL)
Marked basophilia
CML
What proliferates in the cortex of lymph nodes?
B cells
What proliferates in the paracortex of lymph notes?
T cells
t(14;18)
Follicular B cell lymphoma (BCL2)
t(11;14)
Mantle cell lymphome (cycD1)
t(8;14)
Burkitt (c-myc)
CD15, CD30
Hodgkin lymphoma
What is the function of TGF-B?
Fibroblast migration and proliferation, CT synthesis
What paraneoplastic syndrome is associated with squamous cell lung cancer?
PTHrP - HCa
What cell types are chromogranin+?
Neuroendocrine
What are two angiogenic growth factors?
VEGF, FGF
What cells are GFAP+?
Astrocytes (glial cells)
CA-125
epithelial ovarian ca
CA 19-9
Pancreatic ca
What causes the fibrosis in cirrhosis?
Stellate cells secreting TGF-B
What are Mallory bodies?
Damaged intermediate filaments in hepatocytes
Middle aged woman with pruritis and signs of a vitamin A deficiency?
Primary biliary cholangitis
What nutritional deficiency does isoniazid cause?
B6
What is another name for B6?
pyridoxine
What is a serious adverse effect of chloramphenicol?
Aplastic anemia
What innervates external hemorrhoids and what veins do they drain into?
Inferior rectal - pudendal n
Infererior rectal - internal pudendal v + int iliac v
What is aprepitant?
NK1 rec antag for nausea
What is Lambert-Eaton syndrome? What causes it?
Paraneoplastic syndrome - Ab against V-gated Ca channels; SCLC
Tx for atropine intoxication
physostigmine
When do you see Howell-Jolly bodies? What are they made of?
Splenectomy; DNA
When do you see Pappenheimer bodies? What are they made of?
Sideroblastic anemia; Fe
What does a thumbprint sign on XR indicate?
Mesenteric ischemia
What does the double-bubble sign on XR indicate?
duodenal atresia
What do air fluid levels on XR indicate?
Small bowel obstruction
What does T. cruzi destroy?
myenteric plexus
t(11; 22)
Ewing sarcoma (EWS-FLI1)
Where are Heberden nodes located?
DIP
Where are Bouchard nodes located?
PIP
What is rheumatoid factor?
Anti IgG
What diseases are associated with HLA-DR4?
T1DM, RA
What HLA loci is celiac associate with?
HLA-DQ2,8
What disease is associated with HLA-B27
Seronegative spondyloarthropathies
What Ab is seen in drug-induced lupus?
anti-histone Abs
What T cell predominates in polymyositis?
CD8
What T cell predominates in dermatomyositis?
CD4
What autoAb is seen in diffuse scleroderma?
Anti-DNA topoisomerase I (anti-Scl 70)
CREST syndrome autoAb?
anti-centromere
Mixed CT disease autoAb?
Anti-u1 RNP Ab
What cancer is associated with vinyl chloride and arsenic exposure?
Hepatic angiosarcoma
S-100
Melanoma, Schwannoma (neural crest derivatives