Renal Cysts and Tumors Flashcards
renal cyst is a ____ space in kdiney
fluid filled
simple renal cyst
very common especially with age, common after kidney has some scarring, pts asymptomatic and no effect on kidney function
simple renal cyst
cyst that is generally unilocular, round and varying in size
acquired renal cystic disease
usually get these after prolonged dialysis (9mo-7yr), or ESRD
where are acquired renal cysts most common?
in cortex
what do kidneys with acquired renal cyts look like?
they are small, or sometimes enlarged, cysts throughout and they can become neoplastic
ARPKD
autosomal recessive polycystic kidney disease
ADPKD
autosomal dominant polycystic kid dz
onset of ___ Is early
ARPKD : ESRD by age 15 or even 8
infants with ARPKD can die from what
pulmonary insufficiency: potters syndrome
what is potters syndrome?
baby develops without amniotic fluid = hyperplastic lungs
what do ARPKD kidneys look like?
spongy, bilaterally symmetrically enlarged, usually smooth surface with 1-2 mm cysts, diffuse dilation of collecting ducts
in ARPKD what are 2 main problems to be aware of?
problem area: renal tubules become cystic
ALWAYS look for liver disease as well
Which is more common ARPKD or ADPKD
ADPKD 1 per 1000 ppl
an abnormal gene on chromosome 16 is found with ___
ADPKD
what is typical ADPKD presentation?
age 30-60, dull flank pain, flank masses, uremia, positive family history, HTN, colic etc
what lab profile fits ADPKD? 5 things..
anemia, low GFR, low high BUN and creatinine, and hematuria
list a few ADPKD associated sx
cysts all over: liver, pancrease, spleen, thyroid, seminal vesicle
vascular problems: berry aneurysms, aortic aneurysm, aortic root dilatation, MV
GI: diverticulosis
_____ pts will have bilaterally enlarged kidneys
ADPKD with cysts arising from any part of nephron or collecting duct
treatment for ADPKD and some other cysts dz
renal transplant
Wilms tumor aka as ___
nephroblastoma
definition wilms tumor
nephroblastoma from nephrogenic blast cells, embryological
___ is most common genitourinary cancer in kids 2-4
nephroblastoma
wilms tumor is most common in ___
young kids not neonates/infants