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 |