Lung Cancer Flashcards
what are two other lung diseases that raise risk for lung cancer?
COPD
UIP
what is the basis of treatment for NSCLC?
targeted gene therapy after discovering what the driving mutation is of the NSCLC
what is the most common mutation of NSCLC?
KRAS23
what is an important screening target for NSCLC?
epithelial growth factor receptor (EGFP)
what do tumor cells have on them that prevent T cell binding and killing?
anti PD-1 ligands
what do T cells have on them that help kill cancer cells?
PD-1 proteins
what do PD-1 proteins do?
programmed death of cancer cells
what is more common, small cell cancer or NSCLC?
NSCLC is about 80%
name the three types of NSCLC
adenocarcinoma
squamous cell carcinoma
large cell
what is the most common NSCLC?
adenocarcinoma
if a non smoker has lung cancer, what is the likely type?
adenocarcinoma
is adenocarcinoma in central or periphery of lungs?
periphery
what is hypertrophic osteoarthritis? what cancer does it present with?
triad of clubbing, periostitis of long bones and arthritis
adenocarcinoma
what are the two sub groups of lung adenocarcinoma?
mucinous and non mucinous
mucinous adenocarcinoma is associated with what type of sputum?
frothy sputum
who gets squamous cell carcinoma?
SMOKERS
is squamous cell carcinoma in central or periphery of the lungs?
central
which lung cancer can cavitate?
squamous cell carcinoma
which lung cancer is associated with hypercalcemia and weakness?
sqaumous cell carcinoma
who gets small cell lung cancer?
only SMOKERS
describe the pathogenesis and location of small cell lung cancer
centrally located with mediastinal lymph node involvememtn
is NSCLC or small cell lung cancer more aggressive?
small cell
what is the most common presentation for lung cancer?
non specific symptoms
paraneoplastic syndromes are more common in what type of lung cancer?
small cell
name the three paraneoplastic syndromes of NSCLC
HPO
Clubbing
Hypercalcemia
what is a good imaging manner to see peripheral cancers of the lungs?
transthoracic needle biopsy
what is the staging gradient for NSCLC?
T
N
M
what is the T in the NSCLC staging gradient?
tumor size and location
what is the M in the NSCLC staging gradient?
metastases distance
what is the N in the NSCLC staging gradient?
nodal lymph involvement
what is treatment for stage 1 NSCLC?
surgery
what is treatment for stage 2 NSCLC?
surgery followed by chemo
what is treatment for stage 3 NSCLC?
chemo, radiation and immunotherapy
what is treatment for stage 4 NSCLC?
chemo, radiation, targeted therapy, immunotherapy
which stage of NSCLC has targeted therapy?
stage 4
what are the two staging classes for the small cell lung cancers?
limited
extensive
what is the limited stage of small cell lung cancer?
disease confined to hemithorax that can be confined by a radiation port
what is the extensive phase of small cell lung cancer?
tumor is beyond the scope of a radiation port
in what stage of NSCLC and small cell lung cancer do you send chemo to bones and brain?
stage four for NSCLC
extensive phase for small cell
is CT screening for cancer advised? if so in what situation?
yes…only if patient has 30 year pack history and above age 55
what type of cell predominates in a hamartoma?
cartilage…mesenchymal
describe how hamartomas appear grossly?
they are solitary well formed lobules
what type of lung neoplasm has popcorn calcification?
hamartomas
which two lung cancers are only associated with smokers?
squamous cell and small cell
what lung structure is usually involved in squamous cell carcinoma?
bronchi
what are two histological findings in squamous cell carcinoma?
keratin pearls
desmosome intercellular bridges
when squamous cell carcinoma is in situ, what is holding it in place?
the basement membrane
adenocarcinoma is a cancer of what cell type?
glands
is adenocarcinome more common in periphery or central?
periphery
what are the two classes of adenocarcinoma?
mucinous and non-mucinous
can adenocarcinoma be bilateral or unilateral?
can be both
what are the three paraneoplastic syndromes associated with small cell carcinoma?
ectopic ACTH
ADH
Eaton-lambert
is small cell carcinoma mainly central or periphery?
central
name three histologic characteristics of small cell carcinoma
apoptotic bodies
molding
lots of mitosis