A Pediatric Radiology Textbook and Pediatric Radiology Digital Library
Pediatric Epididymal Cyst
Etiology: Usually of lymphatic origin
Imaging US: Single or multiple anechoic lesions which may have septations or may contain debris
DDX: Spermatocele, tunica vaginalis cyst, paratesticular abscess, small hydrocele
Complications:
Treatment:
Clinical: — Usually present as palpable mass — Most common epididymal mass
Radiology Cases of Epididymal Cyst
Sagittal US (above) and transverse US (below) of the right scrotum shows a round, anechoic, simple lesion in the right epididymis. The right testicle is normal in appearance.Sagittal US of the scrotum shows a round lesion in the epididymis that does not have septations but does have complex fluid within it.Sagittal US of the left scrotum (above) shows normal appearance of the left testicle. Sagittal US of the left scrotum (below) shows an anechoic oval lesion in the head of the left epididymis.Sagittal US of the lateral left scrotum (above) show a large anechoic lesion superior to the left testicle which when the transducer is moved more medially (below) reveals a second, smaller anechoic lesion superior and medial to the original lesion which remains visible above the left testicle.
