Which of the following are indications for a renal biopsy? 1. Chronic kidney disease of uncertain etiology 2. Nephritic syndrome 3. Uncontrolled severe hypertension 4. Renal transplant dysfunction Select the correct answer using the code given below:
Key Renal Biopsy Indications
A renal biopsy involves taking a small kidney tissue sample for examination. It helps diagnose specific kidney diseases, especially when the cause is unclear or when specialized treatment is needed.
Established Indications
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Chronic kidney disease (CKD) of uncertain etiology: A biopsy is crucial to identify the specific cause of CKD when it's not evident from clinical presentation or standard tests, guiding appropriate management.
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Nephritic syndrome: This syndrome often points to glomerular inflammation. A biopsy is essential to classify the type of glomerulonephritis (e.g., IgA nephropathy, lupus nephritis) and determine the severity, informing treatment decisions.
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Renal transplant dysfunction: When a kidney transplant is not functioning adequately, a biopsy is vital to distinguish between causes like acute rejection, chronic rejection, drug toxicity, or recurrence of the original kidney disease in the graft.
Non-Indications (Typically)
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Uncontrolled severe hypertension: While hypertension can be a consequence of kidney disease or a cause of kidney damage, severe, uncontrolled hypertension alone is usually not a direct indication for a renal biopsy. The focus is typically on diagnosing the underlying kidney pathology causing the hypertension or dysfunction, rather than the hypertension level itself, unless it suggests specific secondary causes like renovascular disease needing confirmation.
Therefore, the primary indications among the choices provided are chronic kidney disease of uncertain etiology (1), nephritic syndrome (2), and renal transplant dysfunction (4).
Important Questions from Renal Failure
Which of the following statements are correct regarding anti-glomerular basement membrane disease?
1. It is a rare autoimmune disease which presents as rapidly progressive glomerulonephritis.
2. Antibodies are formed against $α3$ chain of type 4 collagen GBM.
3. The $α3$ chain is expressed in basement membrane of glomerulus and the retina.
4. The disease may be associated with retinal hemorrhage when it is known as Goodpasture syndrome.
Select the answer using the code given below :
Which of the following are poor prognostic indictators in glomerular disease?
1. Female sex
2. Hypertension
3. Persistent and severe proteinuria
4. Elevated creatinine levels at presentation
Select the correct answer using the code given below:
- Which of the following is the correct range of Glomerular Filtration Rate (GFR) for Stage 2 chronic kidney disease?
Which of the following drugs are effective in preventing uric acid nephropathy in patients receiving chemotherapy?
1. Probenecid
2. Forced saline diuresis
3. Rasburicase
4. Acetazolamide
Select the correct answer using the code given below.
- Which one of the following drugs is associated with calciphylaxis in chronic kidney disease patients?
