Fine needle aspiration and biopsy of hemorrhagic thyroid cyst- case-2:

Ultrasound guided F\fine needle aspiration of fluid from a hemorrhagic thyroid cyst (see ultrasound video below):

The ultrasound images of the left lobe hemorrhagic cyst before and after aspiration of bloody thick fluid under ultrasound guidance:
The cyst measures 2.4 x 2.3 cms. before aspiration; observe the large amount of anechoic fluid within the large cyst in the left lobe. The right lobe appears normal. 

After aspiration the hemorrhagic cyst looks shrunken and collapsed; the cyst measures 1.9 x 2.2 cms.

 

The cyst looks more hyperechoic with loss of fluid content:

 

Further aspiration and the cyst collapses further.