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Table 2 Lesions arising from the prostate or periprostatic region

From: Incidental findings in and around the prostate on prostate MRI: a pictorial review

Periprostatic mass Benign Malignant
Solid Tumour: lipoma, leiomyoma and solitary fibrous tumour
Non-tumour: Haematoma, Dermoid*
Soft tissue sarcoma (liposarcoma, leiomyosarcoma, UPS)
Nerve sheath tumours
GIST
Cystic Mullerian duct cyst*, Utricle cyst*, Cowper’s gland duct cyst, seminal vesicle cysts Cystic nerve sheath tumour
  1. *May rarely develop malignant degeneration