HISTOPATHOLOGY SPECIAL STAIN: MASSON TRICHROME

What this test checks

A special tissue stain that colours collagen (connective tissue/fibrosis) blue and muscle red — used to assess the degree of scarring (fibrosis) in liver, kidney, heart, or other organs.

Why do people get this test?

Fibrosis (scarring) degree is essential for staging liver disease (hepatitis, cirrhosis) and other organ diseases. Masson's trichrome provides an accurate visual assessment of scarring that guides treatment decisions.

When you should consider this test

• When assessing the degree of liver scarring (fibrosis staging) in hepatitis or cirrhosis
• When evaluating kidney or heart fibrosis
• When quantifying connective tissue in tumours or inflamed tissue

How to prepare

No preparation needed — performed on existing tissue samples.