Prep4USMLE Forum » USMLE Step 1 Forum » Anatomy & Neuranatomy |   U-shaped renal mass BQ'

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Believe Forum Senior Topics: 36 Posts: 93	12/04/05 - 08:42 AM             #1 A male neonate has a palpable midabdominal mass. Abdominal ultrasonography shows no kidneys in the normal anatomic position and a single U-shaped renal mass with two collecting systems near the aortic bifurcation. Which of the following embryologic events best explains this finding? A) Division of the metanephric diverticulum B) Failed development of the ureteric bud C) Failed differentiation of the urogenital sinus D) Fusion of the metanephric masses E) Normal development of two ureteric buds ___________________ Focus on the one step you can take right now. Let go all regrets and resentment about what has already happened.
reet Forum Fanatic Topics: 152 Posts: 1,411	12/04/05 - 08:52 AM             #2 D ___________________ Live as u were to die tommorow. Learn as if u were to live forever.
cyra Moderator Topics: 29 Posts: 844	12/04/05 - 09:52 AM             #3 D...Horse shoe kidney
roopashri Forum Elite Topics: 16 Posts: 190	12/04/05 - 03:25 PM             #4 D
Believe Forum Senior Topics: 36 Posts: 93	12/07/05 - 01:08 PM             #5 Horseshoe kidney. Occurring once in every 400 live births, horseshoe kidney is the most common renal anomaly. There is a 2:1 male to female predominance. Horseshoe kidneys develop following a midline fusion of the paired metanephric masses prior to assent within the pelvis or lower aspect of the abdomen. The midline connection or isthmus may represent a fibrotic band or functioning renal parenchyma involving the lower poles of both kidneys. Assent of the horseshoe kidney is stopped short when it becomes hooked under the origin of the inferior mesenteric artery. Horseshoe kidney is associated with numerous renal vascular anomalies and an increased incidence of other urinary tract abnormalities including UPJ obstruction, duplication anomalies and stone formation. ___________________ Focus on the one step you can take right now. Let go all regrets and resentment about what has already happened.
mjl1717 Forum Hero Topics: 956 Posts: 5,454	12/07/05 - 01:37 PM             #6 Thank You buddy! ___________________ Smell the coffee! "Is That an Osler move??"
Cedrick Forum Fanatic Topics: 320 Posts: 1,935	09/07/06 - 11:45 AM             #7 Thanks for the question and photos
Leopard Forum Guru Topics: 30 Posts: 401	09/07/06 - 11:56 AM             #8 Very nice Question and Scan Thread extension Which chromosomal condition is associated with Horse shoe shaped kidney? ___________________ FA is just a good revision book.It is not a "real" learning tool.
Cedrick Forum Fanatic Topics: 320 Posts: 1,935	09/07/06 - 12:00 PM             #9 dot'know which one ?
Leopard Forum Guru Topics: 30 Posts: 401	09/07/06 - 12:13 PM             #10 Cedrick wrote: dot'know which one ? Turner syndrome Most common Renal anomaly associated with Turner = Horse shoe shaped kidney Most common cardiac anomaly associated with Turner = Coarctation of aorta Next Question Male counterpart of Turner syndrome is called _______________???? ___________________ FA is just a good revision book.It is not a "real" learning tool.
Cedrick Forum Fanatic Topics: 320 Posts: 1,935	09/07/06 - 12:16 PM             #11 Thanks very good questions why don't you just post in a new post so we don't mix thigs up
Leopard Forum Guru Topics: 30 Posts: 401	09/07/06 - 12:25 PM             #12 Just to make thread comprehensive ___________________ FA is just a good revision book.It is not a "real" learning tool.
vanshita Forum Guru Topics: 25 Posts: 857	09/08/06 - 08:11 PM             #13 Noonan's Syndrome is the male counterpart of Turner's Syndrome (X0), and these individuals typically have similar features i.e. short stature, web neck, low-head ears, cubitus valgus, ocular abnormalities and cardiovascular abnormalities. Most males with Noonan's Syndrome have cryptorchidism and diminished spermatogenesis and are infertile. Those with diminished testicular function will have elevated serum FSH and LH levels. They demonstrate on chromosomal analysis a sex chromosome abnormality such as X0/XY mosaicism. There is no treatment for their infertilit
Leopard Forum Guru Topics: 30 Posts: 401	09/08/06 - 09:12 PM             #14 vanshita wrote: Noonan's Syndrome is the male counterpart of Turner's Syndrome (X0), and these individuals typically have similar features i.e. short stature, web neck, low-head ears, cubitus valgus, ocular abnormalities and cardiovascular abnormalities. Most males with Noonan's Syndrome have cryptorchidism and diminished spermatogenesis and are infertile. Those with diminished testicular function will have elevated serum FSH and LH levels. They demonstrate on chromosomal analysis a sex chromosome abnormality such as X0/XY mosaicism. There is no treatment for their infertilit KOoooooooooooooooooooooooooooooooooooooooool Excellent ___________________ FA is just a good revision book.It is not a "real" learning tool.

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