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Kidney Pathology 3
GU Quiz
52
Science
Post-Graduate
11/07/2011

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Term
Nephrotic syndrome includes a group of conditions characterized by
Definition
by increased basement membrane permeability, permitting the urinary loss of plasma proteins, particularly low-weight proteins, such as albumin.
Term
Nephrotic syndrome is comprised of (4 things)
Definition
1. proteinuria
2. edema,
3. hypoalbuminemia, and
4. hyperlipidemia
Term
Causes of nephrotic syndrome more prevalent in adults
Definition
membranous glomerulonephritis
Term
causes of nephrotic syndrome more prevalent in children
Definition
lipoid nephrosis
Term
In all forms of glomerulonephritis, the deposition of immune complexes within the glomeruli leads
Definition
to inflammation
Term
In Nephritic glomernephritis the inflammatory response may cause cell proliferation of
Definition
endothelial, mesangial, and epithelial cells and, in severe disease, glomerular necrosis.
Term
Clinically, glomerular inflammation causes nephritic syndrome, which is composed of (5 things)
Definition
1. hematuia,
2. hypertension
3. hypoalbuminemia,
4. edema
5. proteinuria.
Term
Acute poststreptococcal glomerulonephritis typically a sequela of
Definition
“strep throat,”
Term
Acute poststreptococcal glomerulonephritis develops
Definition
2-4 weeks after infection
Term
Most patients of Acute poststreptococcal glomerulonephritis are children who recover/outlook is
Definition
spontaneously; only 1%-2% of patients progress to chronic glomerulonephritis outlook is very good.
Term
Acute Poststreptococcal Glomerulonephritis is a group
Definition
A beta hemolytic streptococci (autoimmune disease)
Term
Acute Poststreptococcal Glomerulonephritis child clinically develops symptoms of
Definition
malaise, fever, nausea, oliguria, and hematuira 2 week after recovery form sore throat. (95% of children improve)
Term
Acute post streptococcal glomerulonephritis pathologic findings include
Definition
hypercellular glomeruli containing inflammatory cells(e.g.,neutrophils, macrophages) and an increased number of mesangial and endothelial cells.
Term
Acute post streptococcal glomerulonephritis Subepithelial immune complexes seen in
Definition
Isolated humps seen in electron microscopy
Term
IgA nephropathy (Berger disease) This is the most common form
Definition
of adult glomerulonephritis.
Term
IgA nephropathy (Berger disease) Pathologic findings include
Definition
focal mesangial cell proliferation and mesangial deposits of IgA.
Term
IgA Nephropathy Most common form of GN in young adults (15-30) pathology is
Definition
IgA deposits in mesangium, varied severity
Term
Manifestations of IgA NEPHROPATHY (BERGER Disease)
Definition
40% asymptomatic with microscopic hematuria
40% bouts of hematuria
10% nephrotic syndrome
10% renal failure
Term
IgA NEPHROPATHY (BERGER Disease) Clinical findings
Definition
The presentation may vary from mild hematuria and proteinuria to slowly progressive renal failure.
Term
IgA NEPHROPATHY (BERGER Disease) response to therapy
Definition
patients do not respond to therapy with immunosupressive drugs or steroids
Term
MINIMAL CHANGE GLOMERULOPATHY Nil disease (lipoid nephrosis) is
Definition
the most common cause of nephrotic syndrome in children, outlook is very good. Over 18 will not get disease
Term
MINIMAL CHANGE GLOMERULOPATHY Nil disease (lipoid nephrosis) cause is
Definition
unknown
Term
Pathology of MINIMAL CHANGE GLOMERULOPATHY Nil disease (lipoid nephrosis)
Definition
fusion of foot processes, steroid sensitive disease
Term
MEMBRANOUS NEPHROPATHY is
Definition
Most common cause of nephrotic syndrome in adults (40%)
Term
MEMBRANOUS NEPHROPATHY types (2)
Definition
Two types:
Primary (unknown)
Secondary (SLE, HBV, drugs, cancer)
Term
MEMBRANOUS NEPHROPATHY pathology
Definition
Sub-epithelial deposits of immune complex leading
to Nephrotic syndrome (25% recover, 50% persist, 25% progress)
Term
Diabetic Glomeruloscerosis is
Definition
Diabetes caused BM thickening leading to Proteinuria Renal failure ( the leading cause in US)
Term
Diabetic Glomeruloscerosis pathology
Definition
Diffuse global thickening of BM
Proteinuria occurs in 50% of the cases
Term
Lupus nephritis is found in
Definition
75% of patients with systemic lupus erythromatosus (SLE).
Term
Lupus nephritis treatment of inflammation is with
Definition
corticosteroids and cyclophosphamide
Term
Lupus nephritis 20% of patients presents with
Definition
membranous nephropathy, which is resistant to treatment.
Term
Lupus nephritis pathologic findings include
Definition
hypercellular glomeruli with “wire loop” thickening of the basement membranes.
Term
Lupus nephritis immune complex deposits size and location
Definition
vary in size and may be found in any portion of the glomerulus.
Term
Lupus nephritis clinical findings presentation varies from
Definition
mild hematuria and proteinuria to signs of severe dysfunction.
Term
Evidence of other findings in SLE
Definition
Anti nuclear antibodies (ANA) and
other clinical manifestations of SLE are evident.
Term
Crescentic glomerulonephritis occurs as
Definition
consequence of focal necrotizing glomerulonephritis.
Term
Crescentic glomerulonephritis following rupture of the damaged glomerular capillary loops is an
Definition
inflammatory exudate containing macrophages fills the glomerular urinary space
Term
Crescentic glomerulonephritis formation of crescent shames causes the
Definition
inflammatory exudate, along with proliferation of the epithelial cells that lines the bowman capsule
Term
Crescentic glomerulonephritis after crescent shape forms, leading to
Definition
Rapidly progressive glomerulonephritis(RPGN) ensuing, leading to acute renal failure
Term
Goodpasture syndrome is caused by an
Definition
anti-glomerular basement membrane(anti-GBM) antibody that reacts with alveolar and glomerular basement membranes, leading to pulmonary hemorrhage and glomerulonephritis.
Term
Binding of the autoantibodies directly to the glomerular basement membrane results in
Definition
a linear pattern on immunofluorescence microscopy staining.
Term
Nephritic syndrome hallmarks
Definition
hematuria
high bp
decreased GFR
Term
Poliferative glomerulonephritis outlook is
Definition
very good, usually curable with or without medication
Term
Nephritic syndrome comprised of an
Definition
inflamed glomerulus comprising blood flow and filtration
Term
Nephritic syndrome clinical findings
Definition
oligunia, hematuria, azotemia, hypertension, mild edema
Term
Red Blood Cells casts are present in
Definition
Nephritic syndrome
Term
WBC Casts are present in
Definition
polynephritis
Term
2 forms of crescent shaped nephritis
Definition
lupus
Goodpasture syndrome
Term
Goopasture syndrome will involve
Definition
lungs and kidneys
Term
Lupus and Goodpasture syndrome are diseases of the
Definition
immune system
Term
Protein loss measurement of Nephritic urine is
Definition
<3.5 grams
Term
Protein loss measurement of Nephrotic urine is
Definition
>3.5 grams
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