Testicular Biopsy

What Is A Testicular Biopsy?

A testicular biopsy takes a tissue sample from your testicle for laboratory analysis.

The two testicles are the male reproductive organs. They produce sperm and the male sex hormone testosterone. Your testicles are located in your scrotum, which is the fleshy pouch of tissue that hangs under your penis.

A testicular biopsy can be used to:

  • Diagnose the location and condition of a lump in the testes
  • Diagnose causes of male infertility
  • Obtain sperm for in vitro fertilization (IVF)
  • There are two different procedures for a testicular biopsy.

Percutaneous Biopsy

With a percutaneous biopsy, a thin biopsy needle is inserted through the skin. The needle has a syringe on the end to collect the testicular tissue. This procedure does not require an incision or stitches. It also is called a fine needle biopsy.

A core needle biopsy is a variation of this technique. It uses a hollow, spring-loaded needle to extract a cylinder of cells. This is called a core sample. A core sample is a larger specimen than one from a fine needle biopsy.

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Open Biopsy

An open biopsy is also called a surgical biopsy. our doctor starts by making a cut in the skin. A cut also is made in the testicle. Then a small tissue sample is taken from the opening and stitches are used to close the cuts.

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