Renal - FA, Pathoma Flashcards
What is a malignant epithelial tumor arising from kidney tubules?
Presents how?
RCC
Hematuria, palpable mass, flank pain
IgA nephropathy follows what?
Deposition where on IF?
Mucosal infection
Mesangium
What part of the nephron is most susceptible to toxic agents?
What agents?
Prox tubule
Aminoglycosides, lead, myoglobinuria, ethylene glycol, radiocontrast dye, urate
Silver stain to view which disorders?
Membranous
MPGN
2nd MC cause of kidney stone?
Due to what?
Shape of stone?
Tx?
AMP (ammonium, magnesium, phosphate)
Proteus, Ureaplamsa, Klebsiella
Prism/coffin
Surgery
What RCC has the best prognosis, stains darkly and is least aggressive?
Chromophobe
MC cause of nephrotoxic ATN?
What do the crystals look like?
Tx?
Methicillin
Envelope shaped crystals w/low serum calcium
B/l renal agenesis is due to failure of what?
Urteric buds
NO Budweiser NO pee
Thyroidization of the kidney is pathognomonic for what?
Chronic pyelonephritis
What can cause prerenal azotemia?
BUN:Cr ratio?
[FENa]?
Decreased blood flow, Dec GFR
> 15
< 1%
DM affects the vasculature BM and causes what?
Hyaline arteriolosclerosis
Which schistosoma has spine on lateral side?
Presents how? Where?
Mansoni
Pipestem fibrosis of liver
Intestines and liver
MC cause of acute renal failure is what?
What sx?
Tx?
Acute tubular injury
Azotemia, metabolic acidosis, Hyperkalemia w/EKG changes
Furosemide, dialysis
What are the CFs of ATN?
Oliguria w/brown granular casts
Elevated BUN and Cr
Hyperkalemia w/metabolic acidosis
Long-standing obstruction causes what change in BUN:Cr?
FENa?
Urine osm?
< 15
> 2%
< 500, cannot [ ] urine
C3 nephritic factor causes what kidney problem?
MPGN type 2
MC kidney stone seen in kids is what?
Assoc w/what?
Stone looks how?
Cystine
Cystinuria, AR
Hexagonal crystals
What kidney stone is NOT visible on xray?
Seen in what?
Uric acid
Acidic pH, leukemia, myeloproliferative
Denys-drash sx?
Due to what?
Wilms, progressive renal disease, male pseudohermaphrodite
Mutation in WT1
WAGR sx?
Due to what?
Wilms, Aniridia, genitals fucked, retard
DELETION of WT1
What are the main CFs of nephritic syndrome?
Oliguria and azotemia
Edema, HTN
Rbc casts
Acute pyelonephritis MC cause?
How can a kid get it?
E.coli #1
Enterococcus
Klebsiella
Vesicoureteral reflux
Sterile pyuria in the presence of pyuria (- urine culture) suggests what?
Due to what?
Urethritis
C. Trachomatis or N. Gonorrhea
MPGN due to what?
Deposits where?
What proliferates?
C3 deficiency
Subendothelial type 1
Intramembranous - Dense deposits - type 2
Mesangial cells
Is ATN reversible?
YES
What RCC has bad prognosis and is resistant to chemo and radiation?
Tx?
Clear cell type
Surgery, immunotherapy
What MPGN is assoc. w/HepB and HepC?
Where are the deposits?
Type 1
Subendothelial
Scarring at the upper and lower poles of the kidney indicates what?
Vesicourteral reflux
Age demographic for RCC? M or F?
RFs?
If b/l then likely what?
50-70, Males
Smoking, analgesics, chronic renal failure
VHL mutation in clear cell type
Wilms tumor B9 or Mal?
Mutations?
MC cause?
Mal
WT1 on ch. 11
PAX6
Sporadic
What cells make EPO?
Renal peritubular interstitial cells
How is BUN:Cr affected in ATN?
FENa?
< 15
> 2%
Ethylene glycol causes what kind of stones?
Oxalate crystals
Urine showing pyuria and wbc casts mean what?
Acute pyelonephritis
Alport syndrome is a defect in what?
Inheritance?
Key CFs?
Type 4 collagen
X-linked
Hematuria, sensory hearing loss, ocular disturbance
Papillary urothelial tumor progression?
Low grade –> high grade –> invades