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2405 Final review Abdominal wall
Phuong
71
Other
Not Applicable
05/09/2011

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Cards

Term

Fluid filled in left upper abdomen

Seen by 13 -14 wk

Vernix (echogenic debris within fluid)

All of these are characteristic of __

 

Definition
Normal stomach
Term
Normal stomach use to ___
Definition
Verify proper situs, determine fetal position and rt / lt sides of the fetus
Term
What is partial situs inversus mean?
Definition
Stomach on right and heart on left (this increase of serious defects)
Term
Which position of stomach and heart increased incidence of serious defects?
Definition
Partial situs inversus=rt stomach and lt heart
Term
If don't see stomach, stomach should fill appx 30 min or more up to several hours at the time of___
Definition
2nd /3rd trimester
Term

Normal empty stomach

Displaced stomach (chest/um cord)

Anhydramnios

Esophageal atresia

Microgastria (small stomach)

All of these occur cause of____

Definition
Failure to visualize stomach
Term
Microgastria is ___
Definition
small stomach
Term
Ends in blind pouch or narrows and doesn't provide continuous to stomach is ___
Definition
Esophageal atresia
Term
A congenital absence or occlusion of a portion of duodenum is called__
Definition
Duodenal atresia
Term
Duodenal atresia associated ____
Definition
1/3 with trisomy 21 (down syndrome)
Term
Duodenal atresia cannot see with US until ___
Definition
20-24wk
Term
A large obstructed stomach and distended proximal 1st portion of duodenal segment side by side anechoic structures this is called___
Definition
Double bubble
Term
Which finding to dx  duodenal stenosis or atresia?
Definition
Double bubble sign and polyhydramnios (presence of this help to confirm dx is correct)
Term
What is VACTERL?
Definition
Vertebral abnormalities, Anal atresia, cadiac abnormalities, TE fistula, Renal agenesis, Limb defects
Term
Double bubble sign should trigger of____
Definition
Genetic counseling and amniocentesis considering (because this due to asso with trisomy 21) so should also perform detailed renal scan and fetal echocardiography
Term
An abnormal if echogenicity similar to bone and canbe associated with other chromosomal defects this is __
Definition
Echogenic bowel
Term
When and how is a critical process in the closure of the abdominal wall?
Definition
6wk, folding helps the embryo transform itself into a cylindrical shape, the side of fold leading to form the lateral and anterior of abdominal wall
Term
The sides of the embryo fold leading to the formation of what?
Definition
The lateral and anterior of abdominal wall
Term
In 6 wk the folding process helps the embryo transform itself into ___
Definition
A cylindrical shape and closure the abdominal wall
Term
The fusion of the ML is completed by__
Definition
8th week
Term
___of the bowel occurs during the 9th week of development as the midgut extends to the ______
Definition
Umbilical hernia; extraembryonic coelom of umbilical cord
Term
Due to the volume of the solid viscera in the abdomen, the midgut is forced into the extraembryonic coelom in the proximal umbilical cord through a process known as___
Definition
Physiology herniation
Term
The external bowel undergoes a 90 degree ______along the ______
Definition
counterclockwise rotation, the axis of SMA
Term
By the 12wk the ____return to the abdominal cavity this is occur no later than 14 wk
Definition
Intestines
Term
ABS (Amniotic Band Syndrome)
Definition

Rupture of amnion

Attachment of amniotic strands to fetus

entrapment or entanglement of fetal parts

Male=Female

Term
Sono of ABS are___
Definition

Clefts

encephaloceles

Deformities fetal position

Echogenic structure attached to fetus

Term
Amputations, clubfeet (diviation of metatarsal bones of forefeet) are
Definition
Limb defects
Term
Asymmetric encephalocele; protrusion of brain through cranial fissure, asymmetric clefting; severe facial anolmalies is ___
Definition
Craniofacial defects
Term
Ectopia cordis all or part of heart located outside of chest cavity, abdominial wall defect are:__
Definition
Visceral defects
Term
Limb body wall complex also known as__
Definition
Body stalk anomaly
Term
Rare; contain at least 2 abnormalities: limb defects, anterior body defects; scoliosis; exencephaly; encephalocele;  this is extreme form of ABS this is__
Definition
Limb body wall complex
Term
Causes of Limb body wall complex is__
Definition
Early amnion rupture, vascular disruption or embryonic dysgenesis, severe anolies and distorted fetal position make sonographic difficult
Term
Bladder Exstrophy associated with anomalies of__
Definition

Kyphoscoliosis

clubfeet

renal anomalies

genital anomalies as cleft clitoris or epispadias

Term
Sono graphic finding of blader exstrophy are_
Definition

Inability to id bladder with more than 30min scanning,

Abdominal wall mass

Umbilicus displaced inferiorly

microphallus (abnormal small penis in male)

Seperation of pubic bones

Term
Soft tissue mass protruding from lower anterior abdomnal wall in __
Definition
Absence of bladder
Term
Cloacal exstrophy associated with:
Definition

Imperforate anus

Omphaloceles

Renal agenesis

Term
Urethra opens on dorsum of penis is called__
Definition
Epispadias
Term
Failure of muslce development of anterior abdominal wall with eversion of bladder mucosa is__
Definition
Bladder exstrophy
Term
Bladder exstrophy is
Definition
Ml defects of infraumbilical anterior abdominal wall
Term
Bladder exstrophy also known as__
Definition
Bladder exstrophy epispadias complex (BEEC)
Term
Sono findings in cloacal exstrophy are:
Definition

Large infraumbilical anterior abd wall defect with  irregular anterior abdo wall mass

Absent of bladder

Malformation of genitalia

Spina/NTD

Single Umbilical artery

Term
Defect of lower abd wall and anterior wall of urinary bladder in 2 hemibladders and separate by intestinal mucosa and this more complex than bladder exstrophy this is
Definition
Cloacal exstrophy
Term
The cavity lined with endoderm at the posterior end of the body serving as a common passageway for urinary, digestive and reproductive ducts this is__-
Definition
Cloaca
Term
Cloacal exstrophy is known as__OEIS
Definition

Omphalocele

Exstrophy

Imperforate anus

Spinal defects

Term
cloacal exstrophy persistence of the infraumbilical cloacal membrane interfering with ____
Definition
Normal anterior abd wall closure and failure in the separation of the urogenital septum from the rectum
Term
Sono finding of gastroschisis are
Definition

Full thickness abdo wall defect

paraumbilical location of defect;

usually right side

Small defect (2-4cm)

Free floating loops of bowel in amniotic fluid

no enveloping membrane

 

Term
color doppler show the umbilical cord in normal location  and adjacent to defect this is ___
Definition
gastroschisis
Term
Gastroschisis associated with__
Definition

Associated with GI problems obstructions or perforations

bowel ischemia may cause bowel perforation

Term
This is usually not asso w increase in chromosomal abnormalities what is this?
Definition
Gastroschisis
Term
Gastrochisis is prevalence in__
Definition
male from 15-19 is increase risk
Term

Gastrochisis is usually on the ___side rare on___

 

Definition
Right ; left
Term
This opening in all 3 layer of abdo wall with evisceration (herniation) of the bowel and infrequently the  liver, usually on right this is __
Definition
Gastroschisis
Term

This is midline anterior wall defect usually involving upper abdominal

Ectopic heart

 pericardial or pleural effusions

Crainofacial anomalies

Ascites

2vessels cord

Vertebral anomalies

Atrial ventricular septal defects

tetralogy of fallot

Trisomy 13, 18

These are criteria sonographic of___

Definition
pentalogyof cantrell
Term
Pentalogy of cantrell has ___
Definition

Male=female

2 major defects--> Omphalocele and ectopic cordis

3 other abnormalities-->Anterior diaphragmatic hernia, defect of diaphragmatic pericardium, lower sternal defect and this associate with trisomy 18

Term
A group of congenital disorders having  in common the coexistentce of an omphalocele, macroglossia, visceromegaly this is ___
Definition
Beckwith-Wiedemann syndrome
Term
Sonographic criteria of Beckwith-Wiedemann syndrome are____
Definition

Protursion of tongue (macroglossia)

Cardiac anomalies

Postnatal renal tumors (Wilm's)

Placental enlargement or placental chorioangiomas

Term
Midline defect of the anterior abd wall at the level of the umbilicus, allowing herniation of intra abdominal content into the umbilical cord this is__
Definition
Omphalocele
Term
Omphalocele is failure of -----
Definition
bowel to return to normal intra-abdominal position during 2nd stage of internal rotaion
Term
Prevalence of omphalocele is ___
Definition

increased in AMA (advanced maternal age)

35-40 yrs

Male:femal=1:1 ratio

Term
Omphalocele is usually contain___
Definition
small bowel, may contain liver spleen, stomach or colon
Term
Omphalocele covered by membrane  composed of___
Definition
Amnion and peritoneum
Term
Repairs of this is usually successful accurate determination of associated anomalies is most important factor for fetal survival this is ___
Definition
Omphalocele
Term
Omphalocele associated with __
Definition
beckwith weidemann syndrome, chromsomal abnormalities with trisomies 13 and 18 most frequent
Term
This defect is common with omphalocele these are__
Definition
Cardiac defect (most common) then other is GI GU CNS or cleft, spinal or vertebral clubfoot
Term
Counseling and fetal echo recommended in risk of still birth of __-
Definition
Omphalocele
Term
What should do with omphalocele?
Definition
 Doc size, contents location of defect
Term
Color doppler show umbilical cord insertion on ML ventral wall mass this is hint for __
Definition
omphalocele
Term
Sonographic findings criteria dx o omphalocele are___
Definition

Central ant abdo wall defect containing bowel/solid viscera

mass encompassed by umbilical cord

Limiting membrane covering the defect

 

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