Anatomy and Techniques

The penis is a superficial organ and most cancers can be seen and palpated, so that local staging by physical examination may not necessarily be less accurate than by imaging.2 However, ultrasound can produce very high resolution images, and the soft tissue definition with MRI is excellent. We will focus on the anatomy visible with these two techniques; CT has limited contrast and spatial resolution and therefore is disappointing when used for imaging the penis.

A.P.S. Kirkham

Department of Radiology, University College London Hospital, London, UK

A. Muneer et al. (eds.), Textbook of Penile Cancer,

DOI 10.1007/978-l-84882-879-7_4, © Springer-Verlag London Limited 2012

Dorsal artery, Nerve and accompanying veins

Corpus cavernosum

Cavernosal artery

Superficial dorsal vein Deep dorsal vein

Superficial dorsal vein Deep dorsal vein

Corpus cavernosum

Cavernosal artery

Tunica albugínea

Buck's fascia

Skin

Dartos fibres

Urethral vein

Corpus spongiosum

Urethra

Superficial fascia

Fig. 4.1 A diagram of the fascial layers of the penis: axial section. The relatively loose layer of Colles fascia can be difficult to see on imaging and contains superficial vessels

Tunica albugínea

Buck's fascia

Skin

Dartos fibres

Urethral vein

Corpus spongiosum

Urethra

Superficial fascia

Fig. 4.1 A diagram of the fascial layers of the penis: axial section. The relatively loose layer of Colles fascia can be difficult to see on imaging and contains superficial vessels

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