Filarial Dance Sign on Scrotal Ultrasound (W. bancrofti)

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Filarial Dance Sign on Scrotal Ultrasound (W. bancrofti)



This scrotal US video clip is from a 50 y/o with swelling and history of foreign travel. Note the congested epididymis or dilated lymphatics containing an undulating echogenic structure.....a worm! The filarial dance sign is seen with filariasis. Filarial worms are a parasitic infection that that is transmitted by mosquitos and invades the skin and lymphatics. A false positive filarial dance sign can be seen in patients who have undergone a vasectomy. These patients can develop a congested epididymis containing echogenic sperm granulomas which demonstrate Brownian motion.



Via @northshorerads



#Filarial #Filariasis #Dance #Sign #ScrotalUS #Ultrasound #Scrotal #Clinical #POCUS #WBbancrofti
Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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