Mesangial proliferative glomerulonephritis with aldosterone-producing adenoma

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Masayuki Tanemoto1, Michiaki Abe2, Fumitoshi Satoh2

  • 1Division of Nephrology, Hypertension and Endocrinology, Department of Medicine, Tohoku University Graduate School of Medicine, 1-1 Seiryo-cho, Aoba-ku, Sendai, Miyagi, 980-8574, Japan. mtanemoto-tky@umin.ac.jp.

Clinical and Experimental Nephrology
|June 27, 2007
PubMed

Insights

Aldosterone-producing adenoma (APA) can worsen kidney disease like mesangial proliferative glomerulonephritis (MesPGN). Treating APA improved blood pressure and potassium, but MesPGN required specific medication for persistent hematuria.

Area of Science:

  • Nephrology
  • Endocrinology
  • Internal Medicine

Background:

  • Hypertension is a common condition often associated with kidney disease.
  • Aldosterone-producing adenoma (APA) is a cause of secondary hypertension and hypokalemia.
  • Mesangial proliferative glomerulonephritis (MesPGN) is a form of kidney inflammation.

Observation:

  • A 45-year-old male with chronic hypertension presented with renal dysfunction, microhematuria, and proteinuria.
  • Laboratory findings revealed hypokalemia with elevated plasma aldosterone and suppressed plasma renin activity.
  • A left adrenal gland lesion consistent with APA was identified and surgically removed.

Findings:

  • Post-surgical normalization of blood pressure and serum potassium.
  • Proteinuria resolved with blood pressure control, but microhematuria persisted.
  • Losartan treatment reduced hematuria, indicating MesPGN was a coexisting condition.

Implications:

  • This case highlights the complex interplay between APA and MesPGN.
  • Dissociated response of proteinuria and hematuria suggests distinct pathophysiological mechanisms.
  • Effective management requires addressing both the endocrine disorder (APA) and the glomerular disease (MesPGN).

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