Renal and Repro-Final things I should know Flashcards
mesonephros
function as interim kidney for first trimester, later contributes to male genital system.
metanephros
permanent, first appears in fifth week of gestation, nephrogenetisis continues through 32-36 weeks
what is the uteric bud derived from
the caudal end to the mesonephric duct
what does the uteric bud give rise to
it gives rise to the ureters, pelvises, calyces, collecting ducts, fully canalized by tenth week.
what does the metanephric mesenchyme give rise to
it is where the uteric bud interacts with the tissue and the interaction induces differentiation and formation of glomerulus through to distal convaluted tubeless.
what is the uteropelvic junction and what happens to it
last to canalize and most common site obstruction with hydronphrosis- this is usually seen by the second trimester on ultrasound and if not, it is seen at birth with a large kidney and an enlarge kidney
vesicoureteral reflux
incomplete closure lead to dilation and chronic non-obstructive hydronehrosis and increased risk of infection
what poles of the kidneys fuse on horseshoe kidney
it is inferior poles that are fused.
what does the horseshoe kidney get stuck on
IMA
what are horseshoe kidneys associated with
hydronephrosis, renal stones, infection, chromosomal aneuploidy and sometimes cancer
unilateral renal agenesis
uteric bud fails to develp and induce differentiation of metanephrtic mesenchyme so complete absence of kidney and ureter
multicystic dysplasic kidney
uretic bud fails to induce differentiation of metanephric mesenchyme so nonfunctional kidney consisting of cysts and connective tissue.
duplex collecting system
bifurcation of uremic bud before it endter the metaphors, which creates a bifid ureter so vesicoureteral reflux and ureteral obstruction so increased risk of UTI
congenital solitary functioning kidney
condition of being born with only one functioning kidney. Asymptomatic with compensatory hypertrophy of contralateral kidney. anomalies in the contralateral kidney are common
fetal hydronephrosis
renal pelvis is highly compliant so if there is an abstraction it can cause hydronephrosis at the kick or narrowing of the proximal ureter at the uteropelvic junction. Can see it on ultrasound of a palpable mass and enlarged kidney in a child
which kidney is taken for transplant and why
the left is taken because of the longer renal vein
what is the renal blood flow
it is renal artery- segmental artery- interlobular artery- arcuate artery-interlobular arteries- afferent arterile–glomerulus- efferent arteriole- vasa recta-peritubular capillaries-venous outflow
what is the arriving after to the glomerulus and which is the one leaving
it is afferent and efferent
what does the ureter pass under
the uterine artery or under the vas deferens
what can damage the ureters
ligation of uterine or ovarian vessels can damage it causes obstruction or leak
pain and fever after a hysterectomy- what went wrong
one ureter is damaged and leading leading to fever and pain, but can still make urine because the other side is fine
what can plasma volume be measured by
it can be measured by radiolabelled albumin
extracellular volume can be measured by what
mannitol and inulin
what is the percent water per body weight
- 60% of total body water
- 40% is the ICF
- 20% is the ECF
what is the normal body mass
70Kg
what is the glomerular filtration barrier composed of
it is fenestrated capillary endothelium, fused basement membrane that has heparin sulfate which is a negative charge and size barrier, and epithelial layer of podocytes for negative charge
when the charge barrier lost and what happens if it is lost
it is lost in nephrotic syndrome and it causes albuminuria, hyporpoteinemia, generalized edema, and hyperlipidemia
what is the formula for renal clearance
it is UV/P= volume of plasma from which the substance is completely cleared per unit time.
U is urine concentration of the substance
V is flow rate
what can be used to calculate clearance
inulin because its filtered and not reabsorbed or secreted
what is the GFR formula
UV/P
what is normal GFR
100
what is the substance used for estimating GFR
it is creatinine clearance is an approximate measure of GFR and it slightly overestimates GFR because creatinine is moderately secreted at the tubules
what does incremental reductions in GFR define
chronic kidney disease
what estimates RPF
PAH clearance is used because between filtration and secretion there is 100% excretion of all PAH that enters the kidneys
what is the formula for RPF
UV/P
what is the formula of RBF
RPF/(1-hct)
Cx
net tubular reabsroption
Cx>GFR
net tubular secretion
Cx=GFR
no net secretion or reabsorption
what is normal FF
20%
what is the formal of FF
GFR/RPF
what represents the P part of the net filtration pressure
hydrostatic and glomerular
what is the pi part of the net filtration pressure
oncotic pressure and bowman space
what happens to GFR, RPF, and FF with afferent arteriole constriction- also what drug causes this
decreased GFR, decreased RPF, and no change in FF- NSAIDs
what happens to GFR, RPF, and FF with efferent arteriole constriction- what can cause this
Increased GFR, decreased RPF, increased FF- and this is from ATII
what happens to GFR, RPF, and FF with increased plasma protein concentration
decreased GFR, no change in RPF and decreased FF
what happens to GFR, RPF, and FF with decreased plasma protein concentration
increased GFR, no change to RPF, and increased FF
what happens to GFR, RPF, and FF with constriction of the ureter
decreased GFR and decreased FF
what happens to GFR, RPF, and FF with dehydration
decreased GFR, decreased RPF, and increased FF
what happens to GFR, RPF, and FF with dilation of the efferent arteriole and what causes this
decreased GFR, increased RPF, decreased FF this is from ace inhibitors
how do you calculate the reabsortion
filtered-excreted
how do you calculate secretion
excreted-filtered
what is the FENa formula
Na excreted/Na filtered
where is glucose usually reabsorbed and by what receptor
it is usually from the PCT by the Na/hlucose cotransporter
where does glucosuria begin and when is it saturated
it starts at 200 and 375 is saturated
normal pregnancy does what to glucose clearance
it decreases the ability of the PCT to reabsorb glucose and amino acids- glycosuria and aminoaciduria
what is the splay region of glucose clearance from
its the region of substance clearance between threshold and Tm due to heterogeneity of the nephrons
what does the PCT reabsorb
all glucose, amino acids
most of the HCo3, Na, Cl, Po4, K, and H2O and uric acid
it generaties and decreased Nh3 to buffer H
where does PTH work in the kidney and what does it do
it works on the PCT and it inhibits the Na/Po4 cotranport so that Po4 is exctered
what does ATII do at the PCT
it increased Na and H2O and Hcro reabsorption leading to contraction alkalosis
what does the thin descending loop of here do
passively reabsobs H20 via medullary hypertonicity and its impermeable to Na making this the concentrating segment
what does the TAL do
it reabsorbed Na K and Cl by actively pumping it out. Mg and Ca pass though the lumen to create K backleak. It is impermeable to H20 and helps creates the gradient for the thin limb
Early DCT function
reabsorbed the Na and Cl and it makes urine fully dilute.
what does PTH do at the DCT
it increases the Ca/Na exchanges to increase Ca reabsorption
Collectung tubule function
it reabsorbed Na in exchange for K and H
what does aldosterone do at the CT
it increases protein synthesis and in the principal cells it increases K secretion. and in the intercalated cells, it increaes the activity of the hoco3/cl exchanger
what does ADH do at the CT
it acts at the V2 receptor and inserts aquaporins into the apical side
what blocks the V2 receptors
Lithium
Fanconi syndrome- what is it doing
generalized reabsorptive defect in the Pct, and it is associated with increased excretion of nearly all AA, glucose, Hco3 and Po4. May result in associated metabolic acidosis
what are the causes of Fanconi
Wilson, tyrosinemia, glycogen storage disorder, ischemia, multiple myeloma, nephrotoxns
what drugs can cause FAnconi
ifosfamide, cisplatin, tenofovir, expried tetrcytlines, lead poisoning
Bartter syndrome
reabsorptive defect in TAL AR effects Na/k/2Cl transporter. It presents like chronic loop diuretics. results in hypokalemia, and metabolisc alkalocsis with high calcium in the pee
Gitleman
defect of NAcli in the DCT like thiazide diuretics use. AR. it is low K and low Mg, and metabolic alkalosis, and hypocalciuria
Liddle Syndrome
gain of function mutation so increased NA reabsorption in the CT and presents ike hyperaldosteronism so increased HTN, hypokalemia, metabolic alkalosis ;pw serum aldosterone- treat with amiloride
syndrome of apparent mineralocorticoid excess (SAME)
deficiency of 11ba hydroxysteroid dehydrogenase- so increased mineralocorticoids. increased minrealocoticoid receptor acitvity- HTN, decreased K, metabolic alkalosis, low serum aldosteron
what can you get acquired SAME from
glycyrrhetinic acid which is present in licorice
what is the order of the solute secreted and reabsorbed lines on the graph
from secreted to reabsorbed: PAH, creating, inulin, urea, Cl, K, Na, osmolarity, HCO3, Amino acids, glucose
what activates the RAAS
decreased BP, decreased NA, increased sympathetic tone
what blocks renin release
beta cell blocker
what blocks renin binding
aliskrenin
what blocks ACE
prils- increased bradykinin by blocking ACE
what blocks angiotensin II binding
arbs and these end in artans
what does angiotensin II do to vascular smooth muscle
it causes vasoconstriction and increased BP
what does angiotensin II do to glomerulus
it is constricts efferent arteriole to increase FF to preserve renal function in low-volume states
what does angiotensin II do to adrenal gland
aldosterone which increases the Na channel and Na/Kpump insertion in principal cells and enhances K and H excerpt nub the way of principal cels. And alpha intercalated cells H+-ATPAses
what does angiotensin II do to the posterior pituitary
it increases aquaporin insertion into the CT in the principal cells. Increased H2O reabsorption
what does angiotensin II do to PCT
it increases the NA/H activity which increases Na, HCO3 reabsorption, and contraction alkalosis
what does angiotensin II do to hypothalamus
stimulates thirst
where does renin come from and what does it do
it is secreted by JG cells in response to decreased renal arterial pressure and increased renal sympathetic deischarge- beta effect
where does ATII work and what does it affect
affects baroreceptors function and limit reflex bradycardia which would normally accompany its present effects, helps maintain blood volume and blood pressure
where does ANP and BNP work and what does it affect
released from atria and ventricles and it is in response to increased volume and may ac as a check on RASS system. it relaxes vascular smooth muscle through increased GFR and decreased renin. It dilates the afferent arterial and constricts the efferent to promote naturesis
where does ADH work and what does it affect
it regulates osmolarity and responsible for low volume states
where does aldosterone work and what does it affect
aldosteone regulates the ECF and NA content and responds to low blood volume states
where are the JG cells and what does it sense
they are on the afferent arteriole. It senses changes in decreased BP and increased sympathetic tone
where is the macula dense and what does it sense
it is in the DCT and it is from decreased NaCl delivery and increased renin release and efferent arteriole constricts and increased GFR
what happens with beta blockers
it is decrease in BP from inhibition of B1 receptors in the JGA cells by decreasing renin release
erythropoein
released by interstitial cells in the peritubular capillary bed to hypoxia. stimulates RBC proliferation in bone marrow. Erythropetin often supplement in chronic kidney disease
caciferol
PCT cells convert 25-OH to 1,25 ocnverserion by 1-alpha-hydroxylase
prostaglandins
paracine secretion vasodilates the afferent arterioles to increase RBF
what do NSAIDs do
it blocks renal protective prostaglandin synthesis. It is constriction of afferent arteriole and decrease GFR and this may result in acute renal failure and low blood flow states
low dopamine
dilates interlobular arteries, afferent arterioles, efferent arterioles to increase RBF little or no change in GFR
high dopamine
acts as a vasoconstrictor
where is dopamine secreted in the kidney
it is secreted from the PCT cells to increase naturesis
where does ANP work
on the afferent arteriole
where does PTH work in the serum
causes Ca reabsorption from DCT, and decreased PO4 from the PCT, and 1,25 Oh production is increased
what causes shift of K out of the cell
digitalis, hyperosmolarity, lysis of cells, acidosis, beta blockers, high blood sugar like DKA (need to be careful with correction of DKA from creating kalemia)
what shifts K into the cell
hypo-osmolarity, alkalossi, beta adrenergic agonist, insulin
low sodium concentration symptoms
nausea, maliase, stupor, coma, seizures
high sodium concentration symptoms
irritability, stupor, coma
low potassium concentration symptoms
u waves, flat T waves, arrhythmias, muscle cramps, spasm, weakness
high potassium concentration symptoms
wide QRS, peaked T waves, arrhythmia, muscle weakness
low Ca concentration symptoms
tetany, seizures, QT prolongation, twitching, and spasm
high Ca concentration symptoms
stones, bones, groans, increased urinary frequency, psychiatric overtones, anxiety, altered mental status
low Mg concentration symptoms
tetany, torsades de pointes, hypokalemia
high Mg concentration symptoms
decreased DTRs, lethargy, bradycardia, hypotension, cardiac arrest, hypocalcemia
low phosphate concentration symptoms
bone loss, osteomalacia, rickets in kids
high phosphate concentration symptoms
renal stones, metastatic calcifications, hypocalcemia
what happens to the renin, aldoterone and urinary ca levels in Bartters syndrom
increased renin, aldosterone and urinary Ca
what happens to renin, aldosterone, Mg, and urinary Ca in Gitelman syndrome
increased renin, increased aldosterone, decreased Mg, and decreased urinary Ca
what happens to BP, renin, aldosterone in Liddle syndrome
increased BP, decreased renin, and decreased aldosterone
what happens to BP, renin, aldosterone in SIADH
increased BP, decreased renin, decreased aldosterone
what happens to BP, renin, and aldosterone during primary hyperaldosterone
BP is increased, renin is decreased, aldosterone increased
what happens to Bp, renin, aldosterone in a renin secreting tumor
Bp increased, renin increased and aldosterone increased
what are the pH, Pco2, and HCO3 levels in metabolic acidosis
decreased pH, decreased Pco2, decreased Hco3
what are the pH, Pco2, and HCO3 levels in metabolic alkalosis
increased pH, increased PCo2, increased HCO3
what are the pH, Pco2, and HCO3 levels in respiratory acidosis
decreased pH, increased PCO2, and increased HCO3
what are the pH, Pco2, and HCO3 levels in respiratory alkalosis
increased pH, decreased PCo2, and decreased HCo3
what is the henderson hassebech used for acid-base physiolgoy
Ph=hCO3/PaCO2
what causes respiratory accesses and how they breath
hypoventilation- airway obstruction, acute lung disease, chronic lung disease like COPD, opioids, sedatives, weak respiratory muscles
what are the causes of AGMA
methanol, uremia, DKA, propylene glycol, iron tablets, isoniazid, lactic acidosis, ethylene glycol, late salycilic acid
what are the causes of normal anion gap metabolic acidosis
hyperalimentation, addison disease, rental tubular acidosis, diarrhea, acetazolamide, spirolactone, saline infusion
what causes respiratory alkalosis and what is the breathing pattern
hyperventialtion- hysteria, hypoxemia and high altitude, early salicylate, tumor, pulmonary embolism
what causes metabolic alkalosis
loop diuretics, committing, antacids, hyperaldosteronism
what is the Cl level in the urine for metabolic alkalosis
it is high in the urine
what does the horseshose kidney get stuck on
IMA
unilateral renal agenesis can cause what
hypertrophy of one kidney and it creates increased CKD as they get older
what happens with bilateral renal agenesis
oligohydramnios- lund hypoplasai, flat face, low set ears, developmental defects of extremities and compatible with life
dysplastic kidney unilateral
most commone
what does the histology of the dysplastic kidney look like
noninhertied cysts in kidney like cartilage
what is bilateral dysplastic
can present like PKD but has not of the other associated problems and is non-inherited
ARPKD
infants, HTN, renal failure, Potter sequence.
what is associated with ARPKD
hepatic cysts and fibrosis- baby with portal HTN
ADPKD
young adults with HTN, and hematuria and renal failure with increased renin
what is associated with ADPKD
berry anyreusm, hepatic cysts, mitral valve prolapse
medullary cystic kidney disease
in medullary colleting ducts, small kineys and worsening renal failure
Acute renal failure- first symptoms
azotemia, oliguria,are hallmark signs.
Prerenal acute renal failure- lab values
decreased BF to the kidney, and BUN:cr>15, BUN can resorb but Cr cannot. BUN is resorbed to blood more when aldosterone is present. FENa<1 and osmolarity is >500 because to tubes are still working.
postrenal acute renal failures- lab values
decreased GFR from back pressure. Force more BUN back into the blood so >15 in ratio. The FENa and ism are normal.
what changes are in the lab values with post-renal acute renal failure
long standing leads to tubular damage, so ratio<15 and FEN>2%
acute tubular necrosis uses
injury and necorsis, and necrotic cell plus the tubes and blocks the GFR from back pressure
what is seen in the urine for ATN
brown granular casts are seen with cells that lose nuclei and detach from the basement membrane
what are the lab values for ATN
B:cr ratio<15 and FEN>2 and osm<500
what are the ischemic causes of ATN and where do they hit first
tend to affect the PCT and TAL first and are preceded by prerenal syndrome
what are the nephrotoxic causes of ATN
aminoglycosides, Pb, myoglobin, ethelyne glycol, radio contrast, rate from tumor lysis syndrome, hydrate and use allopurinol
what lab values do you see with nephrotoxic ATN
oliguira, brown granular casts, increased BUN, increased Cr, increased K, metabolic acid
how long does the oliguria last with ATN
it lasts for 2-3 weeks because the Pct are stable cells that can regenerate, but it takes a minute for them to get going
acute interstitial nephritits- causes, symptoms and histology
drug induced HS< oliguria, fever, rash a few weeks after starting the drug, and it is eosinphils in the urine and can progress to renal papillary necrosis
renal papillary necrosis and what are the associated conditions
necrosis of renal papilla and gross hematuria, flank pain-ASA, DM, sickle cell, pyelonephritis
what is the hallmark of nephrotic syndrome and lab values
proteinuria>3.5, hypoalbumina, hypogammaglobulinemia, hypercoagulable (lose ATIII), and hyperlipidemia, and increased cholesterol
why are nephrotic syndrome patients hypercoaglable
this is from the loss of ATIII
minimal change disease- what are the symptoms, pictures, and what can be associated with it
hodgekins disease from increased cytokine production, and lose foot processes from these cytokine production, and normal on everything but EM. No immune complexes so IF is relate- only lose albumin, and responds to steroids.
what causes the damage in minimal change disease
it is from damage from T cells release of cytokines
what is black, hispanic, HIV, heroin, sickle cell association
FSGS
FSGS- what are the histological findings, and see it on images and what is the progression
dense collagen in the glomerulus, and no immune complexes, only some segments are affected it can go to CKD
Caucasian, hepatitis B and C, solid tumor, SLE, NSAIDs, penicillamines what is the association
membranous nephrotic syndrome
membranous- what are the histological findings, and see it on images and what is the progression
thick glomerular BM due to immune complex deposition, spike and dome appearance, granular IF from immune complexes from immune complexes deposition in the sub epithelial.
where are the spike and domes
underneath podocyte and lay down new membrane dome is on top of the deposits and the spike is in between
membranoproliferative- what are the histological findings, and see it on images and what is the progression
thick capsular membrane- mesangial cell proliferation-tram track appearance from excess tacked up membrane. Granular IF.
what is type 1 membranoproliferative glomerulonephritis associated with and histology
hepatitis B and C and tram track appearance
what is type 2 membranoproliferative glomerulonephritis associated with and histology
complex deposits in the basement membrane and antibody C3 nephritic factor over activation of complement so C3 converts is not destroyed and this decreases the amount of C3 in the serum. Nephritic and nephrotic
where are the deposits in MPGN 1
sub endothelial
where are the deposits in MPGN 2
BM
where are the deposits in membranous
sub epithelial
diabetic nephropathy is from waht
high glucose leads to non-enzymatic glycosilation to hyaline aterioloscleorsis, and thick wall so decrease lumen. Preferential to efferent arterial. Hyper filtration firs is albumin.
what slows down the progression of diabetic nephropathy
ACE slows down this profession because it slows to clamp of efferent arteriole goes to nephrotic
what is the classic histology of diabetic nephropathy
kimmelsteil wilson nodules
systemic amyloid on the kidney- where does amyloid deposit, and what is the histology
amyloid is in the mesangium and apple green biofringence
classic symptoms of nephritic syndrome
glomerular inflammation, bleeding, oliguria, azotemia, salt retention, periorbital edema, RBC casts, and hypocellular inflamed glomerulus and C5a mediated damage
post strep glomerulonephritis- what is it from and what else is there and what causes it
it is M protein from strep impetigo and strep pyogenes, and it is 2-3 weeks after post infection. Cola colored urine, and granular IF, and sub epithelial humps and pile up dissipates later. adults>risk of RPGN
what is the crescent of RPGn full of
fibrin and macropahges
if the IF is linear on the RPGN then what is it from
linera is an antibody against BM so goodpasures sundrome- hematuira, hemoptysis and no sinus issues
if the iF is granular, on the RPGN then what is it from
post strep glomerulonephritis- adult or diffuse proliferative in lupus.
if the IF is negative, on the RPGN then what is it from
it is paucimmune and if its
- cANCA then it is Weighers and it has nasopharynx lesions, hemoptysis, hematuria, sinusitis
- panca- Churg straus- granuloma, eosinophils,asthma
IgA neprhotpathy
mesagnial deposits, RBC casets following an mucosal infection
what is seen on the IF of IgA nephropathy
grnaular mesangial deposits
what is seen on Alport syndrome
thinning and split BM from issues with Collagen IV, and hematuria only sensory hearing loss, ocular disturbances
what are the symptoms of cystitis
dysuria, suprapubic pain, no systemic symptoms and frequency
what are the labs for cystitis
> WBC, leukocyte esterase, nitrites, culture>100000
what are the common causes of cystitis
ecoli, staph sapro, proteus which causes alkalization of urine
what is sterile pyuria and whats it from
negative culture, suggests urethrititis from chlamaydia or gonorrhea
pyelonephritits symptoms and causes
fever, flank pain, WBC casts, leukocytosis and ecoli, kleb, and enterococcus
what are some of the increased risk of pyelonephritis
vesicoureteral reflux where theureters reach the bladder
chronic pylonephritits obsturction- histology and gross moprhology
cortical scarring at upper and lower poles and blunted calyxes and thyroidization of the kidney- tubules look huge and filled with colloid
calcium oxalate and calclium phosphate stoens- what do you look for and what are the associateions
it is increased Ca in the urine, need to check for increased Ca in the blood, and Crohns increase oxylate absorption which increases risk of stone
treatment of calcium oxylate stones
HCTZ
ammonium magnesum phosphate stoens
infection of urease positive oganisms that cause staghorm calculi and alkaline urine
uric acid stone
radiolucent and cannot be seen on XR, and acid eliminate, and decreased urine, acidic ph, gout, hyperuricimia, and so rate with hydration and alkalinize the urine with bicarb
staghorm calculi in children
cysteine stones from weird absorption difficulties
uremia as a side effect of CKD
increased nitrogenous weight, nausea, anorexia, pericarditis, platelet dysfunction, encephalopathy, and asterisks, deposition of urea crystals in skin. Salt and H20 retention leading to HTN , metabolic acidosis, increased K, and Anemia
EPO where is it produced
renal peritubular intersitial cells
why is there decreased vitamin D in CKD
decreased Ca from decreased 1 alpha hydroxylate and can’t excrete phosphate so decreased free Ca
renal osteodystrophy related symptoms
- osteitis fibrosis cystica- resorb bone- fibrosis and cyst formation
- osteomalacia- can’t mineralize from bad D function
- osteoporosis- metabolic acidosis is trying to buffer acid against the bone
what do kidneys look like if they have been on dialysis
cysts and shrunken kidneys
what is there an increased risk of with CKD
renal cell carcinoma
aniogmyolipoma
tumor of the BV, with smooth muscle, dispose and associated with TS
RCC symptoms
hematuria, flank pain, fever, weight loss
what are the paraneoplastic syndromes associated with RCC
EPO, renin, PThrP, and aCTH
what can RCC cause if it hits the renal vein
left sided hematuria
what does RCC look like grossly and histollogically
it looks like clear cytoplasm and large yellow tumor
where does sporadic RCC occur
it is single in the upper pole associated with smokers
what are the mutations for RCC
it is VHL, which increases the IGF, and HIF, and increased VEGF, and increased PDEF
where is the genetic RCC
younger patient bilaterally, and mutliple- it is VHL
what is associated with VHL
RCC, hemanigoblastoma of the cerebellum
Wilms tumor is derived from what
blastema from glomeruli and storma
what is seen for Wilms tumor
lunger central flank mass, and HTN from increased renin
WAGR
wilms tumor, aniridia, genetial abnormalities, and retardation
Beckwith wideman syndrome
wilms tumor, hypoglycemia (neonatal), muscular hemihypertrophy, and organomegaly especially the tongue
Urothelial canrinoma
from transitional epithelium of lower track
what are the increased risk factors for urothelial carcinoma
polycyclic hydrocardbon, naptholene, azo dyes, cyclophosphamise, pehnactin
what is the papillary Urothelial canrinoma like and progression
papillary growth with blood vessel and it goes from low, high, to invasive
what is the flat urothelilal carcinoma like and progression
high grade then invades high risk of P53 mutation first
SCC carcinoma of the bladder risk factors
chronic cystitis, schistosoma hematobeium, long standing nephrolithiais
adenocarcinoma of the bladder
urachal remnant, cystitis glandularis, and extrophy from failure of anterior folds
where is adenocarcinoma of the bladder
it is on the dome of the bladder.
distal renal tubular acidosis
urine ph>5.5 defect in ability of alpha intercalated cells to decorate H and no new HCO3 is generated to metabolic acidosis and hypokalemia and increased risk of calcium phosphate kidney stones due to increased urine ph and increase bone turnover
what are the causes of distal renal tubular acidosis
amphoterecin B toxicity, analgesic neprhopathy, congential anomalies like the obstruction of the urinary tract
proximal renal tubular acidosis
urine ph<5.5 and defect in PCT HCO3 reabsorption and increased excretion of HCO2 in urine and subsequent metabolic acidosis. urine is acidified by alpha intercalated cells in CT. associated with K and increased risk of hypophosphatemia rickets.
what are the causes of proximal renal tubular acidosis
fanconi and carbonic anhydrase inhibitors
hyperkalemia renal tubular acidosis
urinary ph<5.5 hypoaldosteronis and so hyperkalemia, and decreased NH3 synthesis in PCT and decreased NH4 excretion
hyperkalemia renal tubular acidosis causes
ecreasd aldosterone proteictio nfro diabetic hyporeninsim, ACE inhibitors, ARBs, NSAIDs, heparin, cyclosporine, adrenal insufficiency, ro aldosterone resistance. K sparing siruretics neurpopathy from obstruction or TMP/SMX
RBC casts
glomerulonephritis and malignant HTN
WBC casts
tubulointerstitial nflammation, acute pyelonephritis, transplant rejection
Fatty casts
nephrotic syndrome associated with maltese crosses
granular muddy brown casts
acute tubular necorsis
waxy casts
end-stage renal disease with CKD
hyaline casts
normla finding from concentrated urine samples
what are the depositions made from in the goodpasture syndrome
IgG and C3
what is the deposition in the IgA nephtopathy and where do they deoposit
IgA and C3. They deposit in the vascular system like mesangium, palpable purport, dermis, GI tract. Gross heamturia
what is GBM splitting seen in
Type I MPGN
what can the loss of ATIII do in nephrotic syndrome cause
it can be from renal vein thrombosi
what are the spike and domes from in membranous nephrotipathy
IGG and C3
what are the serum antibodies against in membranous neprhtopathy
it is antibodies against phospholipase A2 receptor