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What is a Trichogramma? Best to know and pro tips!

Table of Contents

The Trichogramma is a microscopic examination of the hair roots.

Trichogramma

When to do this examination?

When there is a suspicion of hair growth abnormalities, especially in the case of diffuse or sudden hair loss. A doctor prescribes a Trichogramma.

What is the purpose of a Trichogramma?

This examination precisely measures the prevalence of hair loss and estimates the number of sick hair strands in the patient’s hair. The purpose is to help the doctor precisely diagnose the hair issue and plan treatment.

What does it research?

It measures three parameters:

  • the proportion of hair in the growth phase (anagen), the rest phase (catagen), dead (telogen), or dystrophic (hair follicles lesions) on the front, temporal and occipital area of the head
  • The proportion of anagen hair compared to the telogen ones.
  • Hair shafts diameters
 

To determine hair loss cause, better do a trichoscopy or a trichoscan.

How does it work?

The doctor extracts about twenty hair from three areas of the scalp. He studies the bulbs under a microscope.

Good to know

  • The sample harvesting is similar to a torn-out hair; it can be a little uncomfortable.
  • The examination lasts for 20 minutes.
  • The patient should not wash his hair 48h before the examination and should not brush his hair the day before the Trichogramma.