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At the time the article was created Sophie Thoo had no recorded disclosures.View Sophie Thoo's current disclosures
At the time the article was last revised Ashesh Ishwarlal Ranchod had no financial relationships to ineligible companies to disclose.View Ashesh Ishwarlal Ranchod's current disclosures
Dancing megasperm is the ultrasound finding of continuously oscillating/mobile tiny echogenic foci within dilated tubules of the epididymis. This is seen in post-vasectomy patients and others with obstruction of the spermatic cord and is thought to represent clumps/ clusters of trapped spermatozoa which oscillate due to the turbulence created during ultrasound interrogation of the scrotum 2,3.
Note: a single spermatozoon can only be identified microscopically 3.