Table 3 Summary of common periprostatic lesions and characteristic MR findings
From: Incidental findings in and around the prostate on prostate MRI: a pictorial review
Periprostatic lesion | MR findings |
|---|---|
Prostatic utricle cyst | High T2, low T1, always in the midline, communicate with urethra |
Mullerian duct cyst | High T2, low T1, usually extend above the prostate, no communication with urethra |
Cowper’s duct cyst | High T2, low T1, at penile base adjacent to ventral bulbous urethra |
Periprostatic haematoma post-biopsy | High T1 and high T2 signal, high T1 signal helps differentiate tumour from post-biopsy haemorrhage, may show a fluid–fluid level |
Seminal vesicle cyst | High T2, low T1, may show high T1 signal if associated with haemorrhage |
Prostatic retention cyst | High T2, low T1, smooth-walled unilocular cysts, may occur in any glandular zone of the prostate |