Superficial Structures Flashcards
Gas causes what type of sonographic artifact
Reverberation (comet tail )
Extra hepatic collection of bile
Caused by: trauma, gb disease, biliary sx
Biloma
Sonographic findings of a biloma
Predominately cystic mass in ruq
2 mechanisms that produce ascites
Decrease serum osmotic pressure
Increase in portal vein pressure
Most common cause of ascites
Cirrhosis
Causes of ascites
Cirrhosis Hypoalbunemia Budd-chiari Heart failure Cancer Nephrotic syndrome (protein loss)
Successful treatment of ascites
TIPSS
Benign ascites
Free floating bowel
Bowel loops tethered or matted to posterior abdominal wall with complex or loculated fluid collections
Malignant ascites
Lymphoceles are caused by:
Lymph leakage from renal allograft & surgery disruption of lymphatic channels
Lymphoceles differentials:
4
Presence of internal echoes are more consistent with_______&_______.
Any fluid collection: ascites
Urinoma
Hematoma
Abscess
Tendon separation from distal pole of patella
Patellar tendon rupture
Irregular borders , complex, debris, septations,and possible gas
Patient presents: fever with increased WBC
Abscess
Cause of patellar tendon rupture :
Occurs more with systemic dz such as:____,____,&_____.
“Jumping”- sports
Lupus, renal failure, rheumatoid arthritis
Patellar tendon rupture:
Pt is unable to______
Palpable defect known as______
Extend the knee
“Dimple sign”
Achilles’ tendon rupture occurs where?
Approx. 3-4cm sup
Thompson test
Prone position with knee at 90 degrees squeeze calf
Sonographic presentation for Achilles’ tendon rupture
C/ or s/ fluid collection
Disrupted normal striations
Pseudomyxoma peritonei : aka
Malignant ascites
Pseudomyxoma peritonei: sonographic presentation
Causes:
Bowel loops matted to post abdominal wall
Mets
Rupture of mutinous cystadenocarcinoma of ovary
Mutinous tumor of appendix