Path Flashcards
Nuclear shrinkage from apoptosis
pyknosis
Nuclear fragmentation from apoptosis
karyorrhexis
Intrinsic apoptosis pathway
increased mitochondrial permeability
cytochrome c release
Extrinsic apoptosis pathway
CD95 receptor binding
cytotoxic T cell destruction
Coagulative necrosis
heart
liver
kidney
Liequefactive necrosis
brain
pleural effusion
Fibrinoid necrosis
blood vessels
Areas of ischemia vulnerability
watershed areas of brain subendocardium renal cortex zone III of liver (around central v.) splenic flexure
Pale infarcts
solid tissues
single blood supply
Tight binding of WBC’s to endothelium
I-CAM1 mediated
Chemo attractants for leukocytes
C5a
IL-8
LTB4
kallikrein
Mediation of cachexia
TNF-alpha
IFN-gamma
IL-6
Malignancy assc with Down syndrome
ALL (more so)
AML
Tuberous sclerosis neoplasms
renal angiomyolipoma
cardiac rhabdomyoma
astrocytoma
c-myc gene translocation assc
Burkitt’s lymphoma
t(8:14)
bcl-2 gene translocation assc
Follicular lymphoma
t(14:18)
abl gene translocation assc
CML
t(9:22)
Philadelphia chromosome
ras mutation assc
colon carcinoma
ret mutation assc
MEN types 2A and 2B
p53 mutation assc
Li-Fraumeni syndrome
seen in most cancers
melanoma gene mutation assc
p16
BRAF
NF-1 mutation
assc with neurofibromatosis type 1
lack of RAS signal regulation
NF-2 mutation
merlin/schwannomin protein loss
alpha-fetoprotein use
hepatocellular carcinoma
germ cell tumors
beta-hCG use
hydatidiform moles
choriocarcinomas
TRAP stain use
hairy cell leukemia
Schistosoma haematobium malignancy assc
bladder cancer
has terminal spine/hematuria
Clonorchis sinensis malignancy assc
cholangiocarcinoma
3 carcinogens on liver
aflatoxins (form aspergillus)-carcinoma
vinyl chloride-angiosarcoma
CCl4-centrilobular necrosis
Risk of naphthalene/aniline dyes
transitional cell carcinoma of bladder
Malignancy assc with increased ACTH
Small cell lung carcinoma
causes Cushing’s syndrome
Malignancy assc with increased ADH
small cell lung carcinoma
intracranial neoplasms
Malignancy assc with increased Ca2+/PTH
SCC of lung
renal cell carcinoma
breast cancer
Lambert-Eaton syndrome assc with malignancy
small cell lung carcinoma
Psammoma bodies assc
papillary adenocarcinoma of thyroid serious papillary cystadenocarcinoma of ovary meningioma mesothelioma calcific spherules seen
Deposition of Ig light chains
Amyloidosis (AL)
Deposition of serum amyloid A
Amyloidosis (AA) in chronic diseases
Deposition of beta2-microglobulins
Dialysis related Amyloidosis
Deposition of transthyretin
Heritable amyloidosis from gene mutation
Deposition of transthyretin in myocardium
Senile amyloidosis, slower progression
Cancer assc with Plummer-Vinson syndrome
SCC of esophagus