small parts – lumps and bumps

What is the most common benign soft tissue tumor?

Lipoma

What percent of population have lipomas?

2%, usually in 5th to 7th decades

Sono and characteristics of lipoma

Variable echoes, less than 5 cm, no shadowing, no flow, compresssble

What is soft tissue sarcoma?

Malignant tumors of mesodermal origin, poor prognosis

What is a peripheral nerve sheath tumor?

Most often found in peripheral nerves, arise from Schwann cells, may be benign or malignant

What are benign peripheral nerve sheath tumors called?

Schwannomas and neurofibromas

Sono of peripheral nerve sheath tumor

Oval, thru transmission, has a nerve in it, increased vascular

What is Most common palpable mass of hand and wrist

Ganglion cyst

What does ganglion cyst look like?

Mucous filled with capsule, thru transmission, no flow

Where does ganglion cyst arise from?

Joint Capsule or tendon sheath

What is most common fluid collection found post surgery

seroma

Sonos of seroma

Usually complex, posterior enhancement, may feel warm

What is cellulitis?

Bacteria infection of dermis and subcutaneous tissues

What does cellulitis look like?

Thickness of dermis, hyperechoic, subcutaneous tissue layer, edema

What is cobblestone pattern?

Edema/anechoic branching pattern seen in cellulitis