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Krishnakant Prasad: A Quick Clinical Review of Renal Papillary Necrosis
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May 25, 2026, 04:47

Krishnakant Prasad: A Quick Clinical Review of Renal Papillary Necrosis

Krishnakant Prasad, Associate Professor of Mathematics at Delhi Skill and Entrepreneurship University, shared a post on LinkedIn:

“Renal Papillary Necrosis — Important Mnemonic

Renal Papillary Necrosis (RPN) refers to ischemic damage and necrosis of the renal papillae in the kidneys.

It is an important topic in pathology, nephrology, and medical entrance examinations.

Easy Mnemonic to Remember Causes:

‘POSTCARD‘

Each letter represents a major cause:

P — Pyelonephritis
O — Obstruction of urinary tract
S — Sickle cell disease
T — Tuberculosis
C — Cirrhosis/Chronic liver disease
A — Analgesic abuse
R — Renal vein thrombosis
D — Diabetes mellitus

Key Clinical Features:

  • Hematuria (blood in urine)
  • Flank pain
  • Fever
  • Dysuria
  • Passage of necrotic tissue in urine

Why Is It Important?

Renal papillary necrosis may lead to:

  • Kidney damage
  • Urinary obstruction
  • Chronic kidney disease
  • Renal failure in severe cases

Mnemonics help students simplify complex medical concepts and improve quick recall during:

  • MBBS studies
  • NEET PG preparation
  • Medical exams
  • Rapid revision

Synopsis:

A quick educational mnemonic for remembering the causes of Renal Papillary Necrosis (RPN) useful for medical students and exam preparation.

Disclaimer:

This post is intended solely for educational and medical awareness purposes.

It should not be used as a substitute for professional medical advice, diagnosis, or treatment.”

Krishnakant Prasad: A Quick Clinical Review of Renal Papillary Necrosis

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