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Sub-Category:

Granulomatous Disorders

Number of Conditions: 1

Sarcoidosis with Renal Manifestations

Specialty: Nephrology

Category: Systemic Diseases with Renal Involvement

Sub-category: Granulomatous Disorders

Symptoms:
hypercalcemia; nephrolithiasis (kidney stones); renal failure; polyuria; polydipsia; fatigue

Root Cause:
Granulomatous inflammation in sarcoidosis leads to dysregulated calcium metabolism and deposition, as well as granuloma formation in the kidneys, impairing renal function.

How it's Diagnosed: videos
Lab tests (elevated serum and urinary calcium, elevated angiotensin-converting enzyme levels), kidney biopsy (granulomas), and imaging (renal ultrasound, CT scan).

Treatment:
Corticosteroids to suppress granulomatous inflammation, hydration to prevent hypercalcemia, and management of complications like kidney stones or chronic kidney disease.

Medications:
Prednisone (a corticosteroid) is the primary treatment. It is an anti-inflammatory medication that suppresses granuloma formation and reduces calcium abnormalities.

Prevalence: How common the health condition is within a specific population.
Sarcoidosis affects 1–5% of the population, with renal involvement in approximately 20–30% of cases.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
African descent, family history of sarcoidosis, female gender, environmental exposures.

Prognosis: The expected outcome or course of the condition over time.
Prognosis depends on the extent of renal involvement; early treatment can improve outcomes, but chronic kidney disease may develop in severe cases.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Chronic kidney disease, end-stage renal disease, nephrocalcinosis, recurrent kidney stones.