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surgery
surgical oncology
28
Medical
Graduate
04/20/2011

Additional Medical Flashcards

 


 

Cards

Term
3 phases of tumor transformation
Definition
-initiation
-promotion
-progression
Term
how does metastasis occur
Definition
-intravasion (detachment of tumor cells that infiltrate into the lymph or blood)
-extravasion (reciprocal process in other parts of the body)
Term
what are the MC sites of cancer mets
Definition
brain, lymph nodes, respiratory, liver, skeletal
Term
how does chemo work
Definition
drug induced tumor cell lysis
Term
blockade of tumor vasculature
Definition
antiangiogenesis
Term
tumor cell lysis through selectively replicating virus
Definition
oncoviral
Term
restore/add or inhibit expression of particular genes in tumor cells
Definition
gene
Term
what are the "bad" sun rays
Definition
UVA
Term
what are the "bad" sun rays
Definition
UVA
Term
what are the RF's for NMSC
Definition
-blue/green eyes, burn easily, work outdoors
-high lifetime sun/UV exposure
-artificial tanning bads
-immunocompromised, HPV infxn, previous radiation exposure
-scarring from burns, elderly, fair skinned freckled, red hair
Term
MC skin cancer
Definition
BCC
Term
what are some other things the sun can cause
Definition
-wrinkling
-telangiectasias
-AK
-solar elastosis
Term
what are some characteristics of malignant skin lesions
Definition
-pigmentation change
-rapid growth, bleeding, crusting
-pain, pruritus
-raised borders, central ulceration
-serous exudate, regional LAD
Term
slowly non aggressive skin cancer that presents as nodular (smooth, dome shaped or round, pearly papule) w/ telangiectasias, bleeding, central necrosis
Definition
BCC
Term
what's the tx for BCC
Definition
-<0.5 cm=cryotherapy, electrodissecation, curretage
-surgery w/ 1 cm margin is standard
-grafting
Term
when should we f/u after BCC
Definition
every 6 months
Term
what does cigarette smoking cause on the lip/mouth
Definition
SCC
Term
erythematous firm papule that forms a nodule w/ central ulceration, crusts, scabs
Definition
SCC
Term
what's the difference in tx for SCC than BCC
Definition
-lymph node dissection may be necessary
Term
surgery used for those areas where wide excision isn't possible
Definition
Moh's
Term
what's the goal for MOH's
Definition
minimal damage to surrounding healthy tissue
Term
what does MOH's have the highest cure rate for
Definition
BCC
Term
greatest malignant potential
Definition
melanoma
Term
excision for melanoma
Definition
elliptical incision
Term
what's the tx for melanoma
Definition
-total lesion removal
-staging
-skin grafting
-sentinel node bx
-RT=brain mets
Term
dx and rx for non hodgkins
Definition
surgery
Term
where do sarcoma occur most
Definition
extremity
Term
what's the surgical resection margin for sarcoma
Definition
2 cm margin
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