Clinical summary guide

Step-by-step male genital examination

2 min

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Testicular volume

Testicular volume is assessed using an orchidometer; a sequential series of beads ranging in size from 1 mL to 35 mL (see Image 1). 

Normal testicular volume ranges

Table: Normal testicular volume ranges

Examination of secondary sexual characteristics

Penile Growth

Image 1: Orchidometer

Why use an Orchidometer?

Testicular volume is important in the assessment of normal development and diagnosis of androgen deficiency, infertility and Klinefelter syndrome.

Image 2 – Gynecomastia

(Photo courtesy of Mr G Southwick, Melbourne Institute of Plastic Surgery)

Examination of testis and scrotal contents

Table: Examination of testis and scrotal contents

Examination of penile abnormalities

Table: Examination of penile abnormalities

Clinical review
Clinical review by Dr Darren Katz, Men’s Health Melbourne

Step-by-step male genital examination

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