Other (thyroid, lymph, eyeballs, etc)

eyeball in normal health patient

Tried to measure the optic nerve sheathe diameter to the right, but the Butterfly's a bit limited for scans requiring really high resolution - >5 mm is relatively sensitive for increased intracranial pressures

clocked a nodule in the right lobe of the thyroid near the SCM in near field; refer to radiopaedia's nice summary of thyroid nodule classification; more often than not I wind up sending these folks for a formal unless it's very clearly low risk

hyperechoic nodule - when it's homogenous and hyperechoic + less than 1 cm in all dimensions it's generally low risk

thyroid nodule at about 1.5 cm; measured 0.4 by 0.7 cm --> I ordered a formal ultrasound and the radiologist recommended at least yearly surveillance

cervical lymph node just superficial to jugular; normal lymph nodes are generally twice as long as they are wide with well defined borders and and echogenic hilum/hypoechoic cortex; sorta look like mini kidneys

mostly normal appearing LN, patient had diffuse LAD, though, and biopsy was positive for lymphoma

this is an atypical appearing lymph node that popped up just after a COVID-19 booster, went away after a few days

Just a large retromandibular node (seen at about 1 cm depth) associated with a sore throat - resolution's not great but you can see the characteristic hyperechoic center + hilum and the relatively hypoechoic cortex. Looks like a mini kidney.

This is a normal air-filled sinus. There's a reverb artifact evident at about twice the depth of the maxillary periosteum - the sinus equivalent of A lines.

Again, normal sinus ultrasound with reverb artifact at twice the depth of the periosteum.

reverb artifact indicated aerated sinus

I use the MSK preset and make the depth 5 cm. Generally you'll see reverb at around 3-3.5 cm and if the cavity is fluid filled the back wall can be seen at about 5 cm.