ABDOMEN II FINAL REVIEW Flashcards
liver is suspended from diaphragm and anterior wall by what ligament
Falciform ligament
pg. 208
fatty infiltration may be observed in all patients ( we pick the one that doesn’t fit )
Obesity Excessive alcohol intake Poorly controlled hyperlipidemia (cholesterol) Diabetes mellitus Excess corticosteriods Pregnancy Total parenteral hyperalimentation (nutrition) Severe Hepatitis Glycogen Storage Disease Cystic Fibrosis Pharmaceutical Chronic Illness pg. 235
What is Budd Chiari Syndrome?
Thrombosis of the hepatic veins or IVC
pg. 246
Echinococcal cysts have a higher incidence from where?
Sheep-herding areas
pg. 255
What is the most common benign tumor of liver?
Cavernous hemangioma
pg. 256
What is the benign liver tumor, can be found in patients with glycogen storage disease?
Liver Cell Adenoma
pg. 258
Patients with hepatocellular carcinoma likely to have had ___.
Cirrhosis
pg. 259
What is the most common form of neoplastic involvement in liver?
Metastatic Disease
pg. 259
RPV and GB found in what fissure?
Main Lobar Fissure
pg. 276
In severe hepatocellular destruction, AST and ALT levels are ___.
AST: significantly elevated
ALT: moderately elevated
pg. 215
Elevated alk phos is associated with ___.
Liver and biliary obstruction
pg. 33
Diminished vascular structures in the liver parenchyma most likely suggests ___.
Fatty infiltration
pg. 234
The falciform ligament extends from the umbilicus to the diaphragm. It contains the ___.
Ligamentum teres
pg. 208
Elevation of bilirubin leads to ___.
Jaundice
pg. 218
Patients with an abscess formation may have ___.
Fever Tenderness and swelling postop Chills Weakness Normal LFT's Leukocytosis Sepsis pg. 466
What tumor consists of large blood filled spaces?
Hemangioma
pg. 256
What cells does hepatocellular disease attack?
Liver cells (Hepatocytes) pg. 213
Glycogen storage disease type 1 is the most common, it is also known as ___.
von Gierke’s disease
pg. 239
What is the benign liver tumor located near the free edge of the liver?
Liver cell adenoma
pg. 258
What common malignancies affect the pediatric population?
Neuroblastoma Nephroblastoma (Wilm's Tumor) Hepatoblastoma Hepatocellular Carcinoma Leukemia Lymphoma pg. 697-698
In cases of choledocholithiasis, stones tend to lodge in ___.
the Ampulla of Vater
CBD?
pg. 295
The right and left hepatic ducts emerge and unite to form ___.
Common hepatic duct
pg. 268
What is the size of the common hepatic duct?
4 mm
pg. 268
In a 60 year old adult, how big should the common duct be?
6 mm
pg. 268
What is a phyrigian cap of the GB?
Folding of the fundus
pg. 273
What is the function of the GB?
Reservoir for bile and concentration of bile
pg. 273
What is a fold in the neck of the GB called?
Hartmann’s pouch
pg. 273
What is a positive Murphy’s sign?
Acute RUQ pain when palpating area
pg. 281
What are classic symptoms of GB disease?
RUQ pain after eating greasy food Nausea/vomiting Pain in right shoulder Jaundice pg. 278-279
What is inflammation of the GB?
Cholecystitis
pg. 281
What are the small polypoid masses that arise from the GB wall?
Cholesterolosis
pg. 288
What is the sonographic criteria for cholelithiasis?
Increased size Wall thickness Presence of internal reflections w/in lumen Posterior acoustic shadowing pg. 284
What is a porcelain GB?
Calcium incrustation of the gallbladder wall
Appears hyperechoic with posterior shadowing
pg. 288
What is sludge?
Thickened bile
Low level internal echoes
Nonshadowing
pg. 279
Where are the valves of Heister located?
In the neck of the GB
pg. 273
What are ALL of the effects of a fatty meal?
Causes the GB to contract because it pushes bile into the duodenum
pg. 273
What cavity does the pancreas lie in?
Retroperitoneal cavity
pg. 302
Also note that it is in the epigastrium and a portion lies in the left hypochondrium….behind the lesser sac.
What duct is in the pancreatic head?
Duct of Santorini
pg. 308
What structure is on the anterolateral border of the pancreatic head?
Gastroduodenal Artery
pg. 309
What is the primary pancreatic duct?
Duct of Wirsung
pg. 308
What is hemorrhagic pancreatitis?
Acute pancreatitis with rupture of vessels
Usually occur in alcoholics
Homogenous mass that can be septated and later becomes cystic
pg. 323-324
What veins course sagittal and posterior to the neck of the pancreas?
Superior Mesenteric Vein
Main Portal Vein
pg. 309
What is adenocarcinoma of the pancreas?
Most common primary neoplasm of pancreas
Symptoms: Jaundice, weight loss, nausea, palpable GB
Sonographic: Loss of parenchymal pattern, hypoechoic, irregular borders, biliary duct dilation
pg. 329-330
What is the duct of santorini?
Accessory duct located in the head of the pancreas
pg. 308
What is the normal size of the pancreatic duct?
Less than 2 mm
pg. 308
When a patient has acute pancreatitis, what lab value will be elevated 2 times the normal limit?
Amylase
pg. 311
What are the microscopic cells of the pancreas called?
Acini cells
Islets of Langerhans
pg. 310
The splenic vein courses ___ in reference to the pancreas?
posterior
pg. 309
What is the most common cause for acute pancreatitis?
Biliary tract disease
pg. 317
What is an annular pancreas?
Rare anomaly in which the head of the pancreas surrounds the second portion of the duodenum
pg. 309
What is cystic fibrosis?
Heredity disease that causes excessive production of thick mucus by the endocrine glands
Pancreas is replaced with fatty tissue and sometimes calcifications
pg. 327
In cases of acute pancreatitis, what does it look like sonographically?
Enlarged Hypoechoic Indistinct, but smooth borders IVC may be compressed Peripancreatic fluid collections pg. 319
What is the most common obstructive congenital obstruction in utero and in infants?
UPJ
pg. 713
Where are parapelvic cysts located?
Renal sinus or pelvis
pg. 380
What is the most common solid renal mass found in childhood?
Nephroblastoma (Wilm’s tumor)
pg. 387
What is fusion of the lower poles of the kidneys?
Horseshoe kidney
pg. 371
What is the most echogenic portion of the kidney?
Renal sinus
pg. 359
What is a cystlike enlargement of the lower end of the ureter?
Ureterocele
pg. 373
What is a cortical bulge at the lateral border of the kidney?
Dromedary hump
pg. 366
What is a dilated renal pelvis without ureteral involvement?
Ureteropelvic Junction Obstruction
pg. 713
What is the most likely reason for a renal artery duplex?
Hypertension
What could a perinephric fluid collection post transplant be?
Acute rejection
pg. 407
Wasn’t hematuria and hematoma an option…?
The baseline ultrasound after a transplant should be done within ___.
48-72 hours
pg. 407
What is a common finding in people over 50?
Simple Renal Cyst
pg. 379
What is dilatation of the renal pelvis without thinning of the renal cortex?
Hydronephrosis??
pg. 397-398
When will ureteral jets not be visualized?
Ureteral Obstruction
pg. 713
What is the process of disposing metabolic waste?
Excretion
pg. 358
When a patient has extensive damage to a kidney, what might be found in the urine?
Hemoglobin
pg. 359
What cavity are kidneys located in?
Retroperitoneum
pg. 355
What ‘stuff’ is outside the renal capsule?
Perinephric fat
pg. 356
What vessel is seen in a sagittal IVC scan that is posterior to it in a transverse plane?
Right renal artery
pg. 363
Renal sonography is not helpful in evaluating ___.
Function
What is the space between the liver edge and the right kidney?
Morison’s pouch
pg. 356
Renal cell carcinoma commonly invades the IVC via the ___.
Renal vein
pg. 385
What is pyonephrosis referred to as?
Pus found in the collecting renal system
Emergent procedure needed
Sonographic: low-level echoes, anechoic dilated system
pg. 401
What are 3 different reasons why there might be dilatation of the renal pelvis?
Hydronephrosis
pg. 397
What is a benign vascular fatty tumor of the kidney?
Renal Angiomyolipoma
pg. 388
What cavity does the spleen lie in?
Intraperitoneal cavity
pg. 422
Note that it is in the left hypochondrium as well as being in the reticuloendothelial system.
What is the size of the spleen?
8-13 cm x 7 cm x 3-4 cm
pg. 424
Reasons why one might develop splenomegaly?
Mild to moderate: Infection, portal hypertension and AIDS
Moderate: Leukemia, lymphoma, infectious mononucleosis
Massive: Myelofibrosis
Focal Lesions: Lymphomatous involvement, metastatic disorder, hematomas
p. 431
What are the functions of the spleen?
Production of lymphocytes and plasma cells
Production of antibodies
Storage of iron
Storage of other metabolites
Maturation of the surface of erythrocytes
Reservoir
Culling
Pitting function
Disposal of senescent or abnormal erythrocytes
Functions related to platelet and leukocyte life span
p.427
Where would an accessory spleen be located?
Near hilum or inferior border
pg. 425
The splenic vein courses ___ along the pancreas.
Posteromedially
pg. 424
What is the best position to evaluate the spleen on ultrasound?
Steep right decubitus
pg. 428
What is a spleen that has migrated from its normal location?
Wandering spleen
pg. 425
What is the major function of the spleen?
To filter the peripheral blood and is active in the body’s defense against disease
pg. 426
What is a measurement of the spleen considered splenomegaly?
Greater than or equal to 13 cm
pg.430
Why might someone have atrophy of the spleen?
Sickle cell anemia patients
Pg 429
What are the hormones of the thyroid?
T3 and T4 and Calcitonin
pg. 590
What is the size of the thyroid?
40-60mm (length) x 20-30mm (AP) x 13-18mm (width)
pg. 589
What are the neighboring structures around thyroid? (muscles)
Anterior:
Sternothyroid
Omohyoid, Sternohyoid (Appear thin, hypoechoic)
Sternocleidomastoid (Large, Oval, located anterior and lateral)
Posterior:
Longus colli (Hypoechoic, Triangular, located posterior and lateral)
pg. 589
What is a pyramidal lobe of the thyroid?
The pyramidal lobe arises from the isthmus and tapers superiorly just anterior to the thyroid cartilage. It may be seen in the pediatric population but usually atrophies in the adults. It is found in 15-30% of patients.
Pg. 589
What is the most common cause for thyroid disorders worldwide?
Iodine deficiency
pg. 593
What are the common disorders associated with hyperthyroidism?
Common: Diffuse Toxic Hyperplasia (Grave's disease) Toxic multi nodular goiter Toxic adenoma. Uncommon: Acute or subacute thyroiditis Hyperfunctioning thyroid cancer Choriocarcinoma or hydatidiform mole TSH-secreting pituitary adenoma Neonatal thyrotoxicosis associated with maternal Graves disease pg. 590
What is the sonographic criteria for a thyroid adenoma?
Solid mass
Peripheral halo
Cystic degeneration
pg. 596
How many parathyroid glands are there?
4
pg. 600
What is the position of parathyroid glands?
2 lie posterior to the superior pole of thyroid
2 lie posterior to the inferior pole of thyroid
pg. 600
If you see a thyroid nodule with a lymphadenopathy of the same side, what is it suspicious for?
Malignancy
pg. 596
What is the common cause for primary hyperparathyroidism?
Adenoma
pg. 601
Thyroglossal duct cysts are found ___.
Anteriorly to the trachea
pg. 602
What disease process is thyroid inferno?
Hyperthyroidism
pg. 599
What is the most common thyroid malignancy?
Papillary Carcinoma
pg. 596
What is the shape of an abnormal lymph node?
Round
pg. 603
What is a cystic formation lateral to the thyroid gland?
Branchial cleft cysts
pg. 602
What is the fibrous capsule the covers the teste?
Tunica Albuginea
pg. 606
What is the normal measurement of the testicles?
L= 3-5 cm W= 2-4 cm H= 3 cm
pg. 604
What is the sonographic criteria of the tecticles?
Smooth
Medium gray
Fine echo textures
pg. 604
What is mediastinum testes?
Vertical septum formed from the posterior aspect of tuica albuginea that reflects into the testis
pg. 606
What is the location of the epididymis?
Begins superior and then courses posteriolateral to the testis
pg. 604
What is the most common cause of acute scrotal pain in an adolescent?
Torsion
pg. 616
What are varicoceles?
Abnormal dilation of veins of pampiniform plexus, usually caused by incompetent venous valves within the spermatic vein. More common on the left side, and will measure more than 2 mm in diameter. Color Doppler will be very lite up
pg. 618
What are spermatoceles?
- Cystic dilations of efferent ductules of the epididymis
- Always located in the epididymal head
- More often seen following vasectomy
pg. 618
What is the most common cause of acute scrotal pain on adults?
Epididymo-orchitis
pg. 615
What almost always transpires secondary to epididymitis?
Orchitis, infection of testis
pg. 615
What is the appearance of a seminoma?
Homogeneous or hypoechoic lesion with smooth, well-defined borders
pg. 626
Epididymorchitis most commonly results from ___.
Spread of a lower urinary tract infection via the spermatic cord
pg. 615
What is the primary source of blood flow to the testicles?
Right and left testicular arteries
pg. 608
Microlithiasis of the teste is associated with ___.
Testicular malignancy, cryptorchidism, Klinefelter’s syndrome, infertility, varicoceles, testicular atrophy and male pseudohermaphroditism
pg. 625
What is the appendix teste?
Small protuberance from the head of the epididymis, upper pole of the testis between the testis and the epididymis
pg. 605
What layers does a hydrocele form in?
Between the visceral and parietal layers of the tunica vaginalis
pg. 620
Where is a rete teste located?
At the hilum of the testis where the mediastinum resides
pg. 623
What are the important lab values for accessing renal function?
BUN
Creatinine
pg. 359
AAA’s are present when the diameter exceeds ___.
3cm
pg. 173
What is the most common AAA type?
Fusiform
pg. 173
What is the innermost layer of the aorta?
Tunica intima
pg. 165
What are the clinical symptoms of acute appendicitis?
Pain rebound tenderness over McBurney’s point, diarrhea, fever, nausea/vomiting
pg. 348
What would a collection of air or gas in the pleural cavity be?
Pneumothorax
What vessels form the portal confluence?
Splenic vein and SMV
pg. 302
What is the most dependent area in the flanks of the abdomen and pelvis?
Gutters
pg. 462
What are the typical symptoms with an abscess formation?
Fever Tenderness and swelling from postop procedure Chills Weakness Malaise Pain Increased WBC's Sepsis pg. 466
What is the most common cause for renal failure?
Diabetes
Per handout
ATN
Per Beth
What is an area in an organ that has become necrotic due to lack of oxygen called?
Infarct?
What are the potential signs for rejection?
Renal: enlargement, decreased echogenicity, loss of cortical medullary boundary, increased RI (greater than 0.8 = dysfunction)
Per handout
What is ATN?
Acute tubular necrosis
pg. 412
What is a thoracentesis?
Drainage of fluid in the chest
The patient sits on the side of the bed, leaning on a bedside table with a pillow for comfort. This opens up space between the ribs to be able to get needle in to drain the fluid
pg. 523
Why is a time out performed?
Patient recites their name
Patient’s ID and MRN is confirmed
Type and location of procedure is said
What is a lack of normal fixation to the testes called?
bell clapper??
What technique is used to find evidence of a varicocele?
Valsalva maneuver
pg. 620
What are the layers of the teste?
Parietal- outer layer
Visceral- inner layer
Which form to create the tunica vaginalis
Skin dimpling may be caused by ___.
Breast cancer
pg. 571
What is a fibroadenoma?
Most common benign breast tumor which occurs primarily in young women and is stimulated by estrogen
pg. 575
What is the best needle gage for a thyroid FNA?
25 gauge
pg. 498
What is the primary advantage of ultrasound guidance?
To have continuous real-time visualization of the biopsy needle, allowing for adjustment of the needle as needed
pg. 495
What is the functional portion of the breast called?
Mammary (glandular) layer
pg. 550
What is the sonographic appearance of Cooper’s ligaments?
- Echogenic and are dispersed in a linear pattern
- Best identified when the beam strikes the ligaments at a perpendicular angle
pg. 552
What is a specific complication of a kidney biopsy?
Perinephric hematoma and Hematuria
pg. 519