2013
DOI: 10.1002/pd.4166
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Pseudoexstrophy of the bladder diagnosed prenatally

Abstract: What's already known about this topic? When a cystic mass is seen at the base of the umbilical cord that appears to be in direct communication with the bladder, the differential diagnosis includes urachal anomaly and pseudoexstrophy of the bladder. What does this study add? This is the first case of pseudoexstrophy of the bladder diagnosed prenatally. This case had unique findings on prenatal imaging: a cystic mass at the base of the umbilical cord with a wide communication with the bladder that persists as … Show more

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Cited by 8 publications
(6 citation statements)
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“…Postnatally, all newborns have patency between the dome of the bladder and the inferior portion of the umbilicus with varying degrees of bladder prolapse/eversion. The degree of prolapse has been so severe in some cases that some authors identify the defect as an exstrophy variant – superior vesical fissure or superior vesical fistula . As in our case series, most newborns with vesico‐allantoic cyst do not have splitting of the abdominal wall musculature, the boney pelvis or genitalia, or abnormalities of the bladder neck/continence mechanism.…”
Section: Discussionsupporting
confidence: 54%
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“…Postnatally, all newborns have patency between the dome of the bladder and the inferior portion of the umbilicus with varying degrees of bladder prolapse/eversion. The degree of prolapse has been so severe in some cases that some authors identify the defect as an exstrophy variant – superior vesical fissure or superior vesical fistula . As in our case series, most newborns with vesico‐allantoic cyst do not have splitting of the abdominal wall musculature, the boney pelvis or genitalia, or abnormalities of the bladder neck/continence mechanism.…”
Section: Discussionsupporting
confidence: 54%
“…The degree of prolapse has been so severe in some cases that some authors identify the defect as an exstrophy variantsuperior vesical fissure or superior vesical fistula. 5,6 As in our case series, most newborns with vesico-allantoic cyst do not have splitting of Table 1 Various descriptors for vesico-allantoic communication Allantoic cyst [7][8][9] Vesico-allantoic cyst [10][11][12][13] Umbilical cord cyst 4,5,[14][15][16] Pseudocyst of umbilical cord [17][18][19] Bladder prolapse through patent urachus [20][21][22] Patent urachus cyst/urachal cyst 9,13,[23][24][25] Omphalocele and umbilical cord cyst 15 Small omphalocele with umbilical bladder evagination 26-28 Figure 1 Representative ultrasound image from second trimester presentation. Note the hourglass-shaped communication between the thicker intracorporeal bladder and thin, cystic allantoic component the abdominal wall musculature, the boney pelvis or genitalia, or abnormalities of the bladder neck/continence mechanism.…”
Section: Discussionmentioning
confidence: 91%
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“…In classical exstrophy of the bladder, the bladder is everted through a lower abdominal wall defect and the bladder mucosa is exposed to the amniotic fluid, resulting in the absence of bladder filling in prenatal diagnostics often in combination with an omphalocele. In contrast, an abdominal cystic structure between divergent rectus muscles but intact abdominal wall that mimics the fetal bladder represents the prenatal feature of pseudoexstrophy of the bladder characterized by a wide communication with the bladder and localized below the two umbilical arteries [11]. In addition, usually diastasis of the pubic bones is present [11].…”
Section: Discussionmentioning
confidence: 99%
“…In contrast, an abdominal cystic structure between divergent rectus muscles but intact abdominal wall that mimics the fetal bladder represents the prenatal feature of pseudoexstrophy of the bladder characterized by a wide communication with the bladder and localized below the two umbilical arteries [11]. In addition, usually diastasis of the pubic bones is present [11]. In contrast, diagnosis of a patent urachus with allantois cyst can be made if an extraperitoneal cystic structure close to the abdominal wall or at the base of the umbilical cord between both umbilical arteries and narrow communication with the fetal bladder is seen, but other abnormalities of the OEIS complex are absent [12,13].…”
Section: Discussionmentioning
confidence: 99%