Renal Pathophysiology INFLammatory Processes Part 1
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Acute pyelonephritis is acute inflammation of the ________________ renal tissue and an acute bacterial inflammation of the renal _________, __________, and ___________. Basically, an inflammation of the _________ kidney.
About This Quiz
Explore the complexities of renal pathophysiology focusing on inflammatory processes in the kidney. This quiz assesses understanding of acute pyelonephritis, its causes, clinical presentation, and differentiation from related conditions. Ideal for medical students and healthcare professionals.
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- 2.
The most common cause of a kidney infection is ___________ of __________. (_____________ ___________)
Explanation
The correct answer is reflux, urine, ascending UTI. Reflux refers to the backward flow of urine from the bladder into the kidneys, which can lead to a kidney infection. Urine is the substance that flows through the urinary system, including the kidneys. Ascending UTI refers to a urinary tract infection that starts in the lower urinary tract and moves up towards the kidneys, causing an infection.Rate this question:
- 3.
90% of kidney infections occur from a ________________ reflux (UTI)
Explanation
90% of kidney infections occur from a vesicoureteral reflux (UTI). Vesicoureteral reflux is a condition where urine flows backward from the bladder into the ureters and sometimes up into the kidneys. This reflux allows bacteria from the bladder to enter the kidneys, leading to infection. UTIs are a common cause of vesicoureteral reflux, and if left untreated, they can result in kidney infections. Therefore, it can be concluded that vesicoureteral reflux is the primary cause of kidney infections in 90% of cases.Rate this question:
- 4.
Acute Pyelonephritis Imaging studies are usually _____________ because the diagnosis is determined clinically by the patient's _____________.
Explanation
Imaging studies are usually unnecessary in the diagnosis of acute pyelonephritis because the diagnosis is determined clinically by the patient's symptoms. Acute pyelonephritis is typically diagnosed based on symptoms such as fever, flank pain, and urinary tract infection symptoms. Imaging studies may be reserved for cases where there is uncertainty or suspicion of complications.Rate this question:
- 5.
Acute pyelonephritis Clinically:
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Usually a female disposition (90%)
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Inflammatory process (fever, pain, leukocytosis)
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Flank and back pain
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Frequent and urgent urination (polyuria, dysuria)
Correct Answer(s)
A. Usually a female disposition (90%)
A. Inflammatory process (fever, pain, leukocytosis)
A. Flank and back pain
A. Frequent and urgent urination (polyuria, dysuria)Explanation
The given answer accurately describes the clinical presentation of acute pyelonephritis. Acute pyelonephritis is more common in females, with 90% of cases occurring in women. It is characterized by an inflammatory process, which manifests as fever, pain, and leukocytosis. The pain is typically located in the flank and back region. Additionally, patients may experience frequent and urgent urination, along with symptoms of polyuria and dysuria.Rate this question:
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- 6.
______________ is inflammation of the kidney whereas _____________ is pus in the collecting system of the kidney.
Correct Answer(s)
pyelonephritis, pyonephrosisExplanation
Pyelonephritis refers to the inflammation of the kidney, which can be caused by a bacterial infection. On the other hand, pyonephrosis is the presence of pus in the collecting system of the kidney. This condition usually occurs as a result of an obstructed urinary tract, leading to the accumulation of infected urine and subsequent formation of pus. Both pyelonephritis and pyonephrosis are related to kidney infections, but they differ in terms of the specific areas affected and the presence of pus in the case of pyonephrosis.Rate this question:
- 7.
Acute Pyelonephritis- Sono appearance
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Commonly unilateral but can be bilateral
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Commonly bilateral but can be unilateral
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Left side affected more often
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Right side affected more often
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Normal appearing kidneys
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Can be focal or diffuse
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Focal only
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Increase in size
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Areas of increased echogenicity
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Areas of decreased echogenicity
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Absence of perfusion
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Loss of corticomedullary distinction
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Compression of renal parenchyma
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Compression of renal sinus
Correct Answer(s)
A. Commonly unilateral but can be bilateral
A. Right side affected more often
A. Normal appearing kidneys
A. Can be focal or diffuse
A. Increase in size
A. Areas of increased echogenicity
A. Areas of decreased echogenicity
A. Absence of perfusion
A. Loss of corticomedullary distinction
A. Compression of renal sinusExplanation
The correct answer is a combination of statements that describe the sonographic appearance of acute pyelonephritis. Acute pyelonephritis can commonly be unilateral, but it can also affect both kidneys. However, the right side is more often affected than the left side. The kidneys may appear normal or show areas of increased or decreased echogenicity. The size of the kidneys may increase, and there may be an absence of perfusion. Additionally, there may be a loss of corticomedullary distinction and compression of the renal sinus.Rate this question:
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- 8.
Acute "itis"- ________ kidneys, ____________ parenchyma.
Correct Answer(s)
big, hypoechoicExplanation
The term "itis" refers to inflammation, so "acute 'itis'" indicates acute inflammation. The word "kidneys" suggests that the inflammation is affecting the kidneys. The word "big" suggests that the kidneys are enlarged, possibly due to the inflammation causing swelling. The word "hypoechoic" refers to the appearance of the parenchyma, which is the functional tissue of the kidneys. Hypoechoic means that the tissue appears darker on an ultrasound, which can be a sign of inflammation or other abnormalities. Therefore, the correct answer suggests that in acute "itis", the kidneys are big and the parenchyma appears hypoechoic.Rate this question:
- 9.
Severe "itis"- lose appearance of sinus __________, __________ flow and bacteria, _________ ___________ form in pyramids.
Correct Answer(s)
echoes, back, pus ballsExplanation
This answer suggests that severe "itis" causes the echoes to go back, leading to the formation of pus balls in the pyramids. The term "echoes" could refer to the sound waves bouncing back, indicating inflammation or infection in the sinus. The term "back" implies that the echoes are reverting to their source, possibly due to blockage or congestion. As a result of the severe inflammation and bacterial presence, pus balls form in the pyramids, which are the hollow structures within the sinus.Rate this question:
- 10.
___________ __________- Acute focal bacterial nephritis is a pyelonephritis that is localized within the parenchyma and does not include the calyces. It is a focal lobar infection.
Correct Answer(s)
lobar nephroniaExplanation
Acute focal bacterial nephritis refers to a localized infection within the kidney parenchyma, excluding the calyces. It is characterized by a focal lobar infection. Therefore, the term "lobar nephronia" accurately describes this condition.Rate this question:
- 11.
Acute focal bacterial nephritis- Sono appearance Similar to an __________, _____________ wedge-shaped area, occurs most commonly at the ________________ ______________ ______________.
Correct Answer(s)
infarct, hypoechoic, cortical medullary junction
infarct, hypoechoic, CMJExplanation
The correct answer is "infarct, hypoechoic, cortical medullary junction" or "infarct, hypoechoic, CMJ". Acute focal bacterial nephritis appears similar to an infarct on ultrasound imaging. It is characterized by a hypoechoic, wedge-shaped area that occurs most commonly at the cortical medullary junction.Rate this question:
- 12.
_________ _________ _________ is interstitial nephritis resulting from ongoing or recurring urinary tract infections. Occurs from multiple or recurrent renal infections.
Correct Answer(s)
Chronic Atrophic NephritisExplanation
Chronic Atrophic Nephritis is a condition characterized by the inflammation of the kidney's interstitium, which is caused by ongoing or recurring urinary tract infections. This condition occurs as a result of multiple or recurrent renal infections.Rate this question:
- 13.
Chronic atrophic nephritis is a ___________ and __________ disease that causes ___________ and eventual renal ____________. It accounts for approximately ____(#)% of all renal failure cases.
Correct Answer(s)
chronic, progressive, scarring, failure, 25Explanation
Chronic atrophic nephritis is a disease that is characterized by chronic inflammation and progressive scarring of the kidneys. This leads to the eventual failure of the kidneys. It is estimated that chronic atrophic nephritis accounts for approximately 25% of all cases of renal failure.Rate this question:
- 14.
Chronic Pyelonephritis- clinically:
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Chronic, recurrent infections
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Nocturia
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Proteinurea
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**50% are due to compromised renal function
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** HTN further contributes to the disease process
Correct Answer(s)
A. Chronic, recurrent infections
A. Nocturia
A. Proteinurea
A. **50% are due to compromised renal function
A. ** HTN further contributes to the disease processExplanation
Chronic pyelonephritis is characterized by chronic, recurrent infections, nocturia (excessive urination at night), and proteinuria (presence of protein in the urine). The given answer states that 50% of cases are due to compromised renal function, indicating that the underlying cause of the condition is related to impaired kidney function. Additionally, hypertension (HTN) is mentioned as a contributing factor to the disease process, suggesting that high blood pressure can worsen the condition.Rate this question:
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- 15.
Chronic Pyelonephritis- Sono appearance
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Small echogenic kidneys
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Enlarged, hypoechoic kidneys
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Unilateral or bilateral focal areas of cortical thinning and increased echogenicity
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Poorly visualized borders because surrounded by perinephric fat
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Increased echogenicity due to scarring (pelvis, parenchyma, and calyces)
Correct Answer(s)
A. Small echogenic kidneys
A. Unilateral or bilateral focal areas of cortical thinning and increased echogenicity
A. Poorly visualized borders because surrounded by perinephric fat
A. Increased echogenicity due to scarring (pelvis, parenchyma, and calyces)Explanation
Chronic pyelonephritis is a condition characterized by inflammation and scarring of the kidneys due to recurrent kidney infections. This leads to changes in the appearance of the kidneys on ultrasound. Small echogenic kidneys are seen because of the loss of functional kidney tissue. There may be unilateral or bilateral focal areas of cortical thinning and increased echogenicity, indicating scarring and damage to the kidney tissue. The poorly visualized borders are due to the presence of perinephric fat surrounding the kidneys. The increased echogenicity is a result of scarring in the pelvis, parenchyma, and calyces of the kidneys.Rate this question:
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- 16.
________________ pyelonephritis is a rare type of ***severe pyelonephritis.
Correct Answer(s)
xanthogranulomatousExplanation
Xanthogranulomatous pyelonephritis is a rare type of severe pyelonephritis. This condition is characterized by the presence of chronic inflammation in the kidney, leading to the formation of yellowish nodules composed of lipid-laden macrophages, known as xanthogranulomas. It is typically associated with long-standing urinary tract infections and can cause significant damage to the kidney tissue. Treatment usually involves antibiotics and surgical intervention in severe cases.Rate this question:
- 17.
Xanthogranulomatous pyelonephritis is characterized by replacement of normal parenchyma with ______________ _____________ and ___________ ____________.
Correct Answer(s)
lipid-laden macrophages, plasma cellsExplanation
Xanthogranulomatous pyelonephritis is a condition where the normal kidney tissue is replaced by lipid-laden macrophages and plasma cells. This means that the kidney tissue is infiltrated by macrophages that have accumulated lipid droplets and plasma cells, which are a type of white blood cell involved in immune responses. This infiltration leads to the characteristic appearance and symptoms of xanthogranulomatous pyelonephritis.Rate this question:
- 18.
Xanthogranulomatous pyelonephritis can be secondary to acute multiple ___________ that were not responsive to _____________.
Correct Answer(s)
infections, treatmentExplanation
Xanthogranulomatous pyelonephritis is a condition characterized by chronic inflammation of the kidney. It is commonly caused by recurrent or chronic infections that have not responded to treatment. In this case, the correct answer suggests that the condition can be secondary to multiple infections that were not responsive to treatment. This implies that the infections have persisted and led to the development of xanthogranulomatous pyelonephritis.Rate this question:
- 19.
Xanthogranulomatous Pyelonephritis- 70% of patients have renal ___________, especially __________ ___________ which results in renal obstruction.
Correct Answer(s)
calculi, staghorn calculiExplanation
Xanthogranulomatous pyelonephritis is a condition characterized by chronic kidney inflammation. In 70% of patients, there is the presence of renal calculi, specifically staghorn calculi. Renal calculi refer to the formation of stones in the kidneys, which can obstruct the flow of urine and cause further complications. Staghorn calculi are large, branching stones that fill the renal pelvis and extend into the calyces, leading to severe renal obstruction. This obstruction can contribute to the development and progression of xanthogranulomatous pyelonephritis.Rate this question:
- 20.
Huge stones that take up the whole collecting system are called ____________.
Correct Answer(s)
staghornExplanation
"Staghorn" is the correct answer because it accurately describes huge stones that occupy the entire collecting system. The term "staghorn" refers to a type of kidney stone that has branched out and grown to fill the renal pelvis and calyces, resembling the shape of a deer's antlers. These stones can cause significant obstruction and require medical intervention for removal.Rate this question:
- 21.
Xanthogranulomatous pyelonephritis: Any obstruction that is not relieved for a long time causes hydronephrosis which becomes __________, forms ___________ and leads to a __________ condition. (_______________->________________->_________________->________________ _________________)
Correct Answer(s)
stagnant, bacteria, chronic, obstruction, hydronephrosis, bacteria, chronic condition
stagnant, bacteria, chronic, obstruction, hydro, bacteria, chronic conditionExplanation
When an obstruction in the urinary system is not relieved for a long time, it causes a condition called hydronephrosis, which is the accumulation of urine in the kidneys. This stagnant urine provides an ideal environment for the growth of bacteria, leading to the presence of bacteria. Over time, this chronic obstruction and bacterial infection can result in a chronic condition known as xanthogranulomatous pyelonephritis.Rate this question:
- 22.
Xanthogranulomatous pyelonephritis- Clinically: Prevalent in ____________ and ______________. Similar to acute pyelonephritis but may have ___________ __________ or palpable mass (from _____________).
Correct Answer(s)
females, diabetics, weight loss, obstructionExplanation
Xanthogranulomatous pyelonephritis is a condition that primarily affects females and diabetics. It is characterized by symptoms similar to acute pyelonephritis, such as weight loss and obstruction, but it may also present with a palpable mass caused by inflammation.Rate this question:
- 23.
Xanthogranulomatous pyelonephritis- sono appearance __________ is the modality of choice becaseu the patient has probably been misdiagnosed many times before. May have renal ____________ from recurrent acute infections. May have parenchymal ____________ or ______________, possible _____________ ______________.
Correct Answer(s)
CT, enlargement, abscesses, hydronephrosis, staghorn calculi
CT, enlargement, abscesses, hydro, staghorn calculiExplanation
The correct answer is CT, enlargement, abscesses, hydronephrosis, staghorn calculi. CT is the modality of choice because the patient has probably been misdiagnosed many times before. Xanthogranulomatous pyelonephritis may present with renal enlargement, abscesses, hydronephrosis, and staghorn calculi.Rate this question:
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Mar 21, 2023Quiz Edited by
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Apr 25, 2011Quiz Created by
Mnathan21
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