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Radiological imaging techniques are rarely needed for the investigation of vulval dermatoses, but are vital in the management of malignant disease and are helpful in other specific situations [13,14]. The main indications for imaging are shown in Table 7.2, and the most appropriate imaging technique should be discussed with a radiologist.

Ultrasound scanning is not widely used in the investigation of vulval lesions as it can be difficult to identify structures. Magnetic resonance imaging scanning (MRI) gives great detail of both the vulva and vagina. The main use of imaging is in the management of malignant disease, where it can be used to delineate the extent of tumours for treatment planning, prognosis, and monitoring for recurrence and response post treatment. Often, a combination of computerised tomography, MRI and positron emission tomography (PET‐CT) is used [15].

Research studies using MRI scanning and Doppler ultrasound had provided a greater understanding of anatomy and function of structures, especially the clitoris [16,17]. Functional MRI of the brain has also been used to study cerebral sexual excitability and its effect on sexual function [18].