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Filarial dance

Case contributed by Dr Abhinav Ranwaka


Young male with scrotal swelling

Patient Data

Age: 25 years
Gender: Male

Ultrasound of the scrotum shows dilated lymphatic channels with moving linear microfilaria within showing the characteristic filarial dance. 

Case Discussion

This ultrasound appearance has been described as 'filarial dance' and has been described as a specific finding in microfilariasis.

Some authors have described a similar finding in other causes of obstruction of spermatic flow and have doubted the specificity of this finding.

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Case information

rID: 43599
Published: 21st Apr 2016
Last edited: 14th Aug 2019
System: Urogenital
Inclusion in quiz mode: Included

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