cancer 2 Flashcards
wilms tumor
most common type of nephroblastoma
wilms tumor
peak incidence occurs at ____ and is assoc w ____
2-3 yo
assoc w severe congenital anomalies
wilms tumor
manifestations
-painless
-can double in size in 11-13 dy
-hypertension
-hematuria
»>check BUN, creatinine, urinalysis
if wilm’s tumor is suspected, then ____ is contraindicated
DO NOT PALPATE
wilms tumor nephroblastoma
prognosis
- survival depends on stage
- long term complications incl liver damage
wilms tumor
therapy
- postrenal surgery
- chemotherapy phase
osteosarcoma
most common tumor affecting skeleton of children
osteosarcoma
location
usually in
- metaphysis of distal femur
- proximal tibia
- proximal humerus
osteosarcoma tumor is composed of…
immature bone tissue
osteosarcoma
what manifestations should be investigated?
deep bone pain causing night awakenings
-should be investigated
osteosarcoma
big risk
pulmo metastasis
20% of cases
osteosarcoma
therapy
arteriography
- if limb sparing surgery is an option
- chemo after surgery
osteosarcoma
chemo after surgery
- most have metastases
- may also need chemo before surgery to shrink the tumor
ewing sarcoma
malignant, small, round cell tumor
- usually involved diaphysis of long bones
- can involve any bone
ewing sarcoma
chemo is always used after initial tx because…
undetectable metastases are almost always present