Mullerian Mullerian Duct Anomalies: Duct Anomalies: A Clinical

Transcription

Mullerian Mullerian Duct Anomalies: Duct Anomalies: A Clinical
1/27/2011
Mullerian Duct Anomalies:
A Clinical Review
Erica LL. Smith
Smith, M.D.
MD
ETSU Obstetrics and Gynecology
Embryology of the Female
Reproductive tract
Disclaimer
NEITHER THE PUBLISHER NOR THE
AUTHORS ASSUME ANY LIABILITY
FOR ANY INJURY AND OR DAMAGE
TO PERSONS OR PROPERTY ARISING
FROM THIS WEBSITE AND ITS
CONTENT.
Embryology of the Female
Reproductive tract
The Development of the gonadal system begins at the 5-6th week of gestation
 Female development is determined by the presence of XX
 At ~9th week of gestation the Mullerian and Wolffian ducts coexist
 The absence of testosterone leads to regression of the Wolffian duct
 The absence of Anti-Mullerian Hormone allows for the development of the Mullerian
Ducts
Mullerian Ducts (paramesonephric)
 The Mullerian Ducts develop Cephalocaudally from the embryonal mesoderm forming the
f ll
fallopian
tubes
b
 The Mullerian Ducts then fuse distally creating the uterus, cervix and upper 1/3 of the
vagina.
 By the 12th week of gestation, the Uterus assumes its mature morphological shape.
 By the 22nd week of gestation, the entire process is complete resulting in uterus, cervix
and uterine cavity.
 Mullerian Duct Anomalies are a result of interruptions at different stages of development
of the female genitourinary system.
 Renal tract anomalies are associated with MDA in up to 30% of cases due to the close
embryologic relationship between the paramesonephric and mesonephric ducts.
Garel L et al. Radiographics 2001;21:1393-1407
©2001 by Radiological Society of North America
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Embryology of the Female
Reproductive tract
Class
Percentage
of MDAs
Description
I
5-10
Mullerian Agenesis or Hypoplasia
ASRM Classification and Estimated
Prevalence of MDAs
I-A
Vaginal agenesis or hypoplasia
I-B
Cervical agenesis or hypoplasia
I-C
Fundal agenesis or hypoplasia
I-D
Fallopian tube agenesis or hypoplasia
I-E
II
Combined agenesis or hypoplasia (two or more)
10-20
Unicornuate uterus
II-A
Rudimentary horn with an endometrial cavity that communicates with the single-horned uterus
II-B
Rudimentary horn with an endometrial cavity that does not communicate with the uterus
II-C
Rudimentary horn with no endometrial cavity
II-D
No rudimentaryy horn
III
5-20
Uterus didelphys
IV
10
Bicornuate uterus
IV-A
Complete bicornuate (septum extends to the interal or external os)
IV-B
V
Partial bicornuate uterus (septum confined to the fundal region)
55
Septate uterus
V-A
Complete septate uterus (septum extends to the internal os)
V-B
VI
Partial septate uterus (Septum does not reach the internal os)
?
Arcuate uterus
VII
Garel L et al. Radiographics 2001;21:1393-1407
©2001 by Radiological Society of North America
Class I: Mullerian Agenesis or
Hypoplasia

A 15-year-old girl presented to her pediatrician with primary amenorrhea.
Her pediatrician saw an abnormal vaginal opening and referred the patient to a gynecologist.

HPI

◦ The patient reported thelarche at age 11 and adrenarche at age 12.
◦ She denied vaginal spotting, unusual drainage, and either cyclical or noncyclical abdominal pain.
◦ She was otherwise healthy and on no medications.
◦ She denied any sexual activity.
FH- Her family history was negative for any gynecological issues.

PE-

◦ Tanner stage 4 breasts and a normal abdominal examination without any discomfort or palpable masses.
◦ She refused a pelvic examination because the last time it was very uncomfortable.
Imaging- An abdominal ultrasound examination performed in the office revealed a small uterus and normal ovaries.

Lab Studies-



◦ Follicle-stimulating hormone and estradiol levels were in the normal postpubertal range.
Plan◦ Her gynecologist suspected outflow obstruction, either imperforate hymen or transverse vaginal septum and
took the patient to the operating room.
◦ After making the initial incision into the hymenal region, no fluid collection was identified, and indeed, no vaginal
canal could be found.
The surgery was terminated, and the patient was then referred to a tertiary care center.
DES related uterine anomalies
VII-A
T-shaped uterus
VII-B
T-shaped uterus with dilated horns
VII-C
Uterine hypoplasia
Class I: Mullerian Agenesis or
Hypoplasia
An 11-year-old prepubertal girl presented with severe left lower quadrant
abdominal pain and mild rebound.
A computed tomography revealed a normal appendix;
 Ultrasound revealed left ovary measuring 3 × 2 cm with multiple 0.5-mm
simple cysts.
 A diagnostic laparoscopy revealed the


◦
◦
◦
◦
◦
Left ovary was visualized and fallopian tube was noted to be twisted
Uteruss was
Uter
as absent
Right ovary and tube were not visualized in the appropriate location
Right adnexal structure was buried in the right sidewall.
The Left fallopian tube was untwisted and the ovary was fixed to the pelvic sidewall.

Chromosomes were 46,XX, and her hormonal evaluation was normal.

Kives, Bond, Lara-Torre. Müllerian agenesis and ovarian torsion. A case report and review of literature. Journal of
Pediatric Surgery. 2005. 40(8):1326-1328.
Quint, Elisabeth H.; Smith, Yolanda R. Primary Amenorrhea in a Teenager. Obstetrics & Gynecology. 107(2, Part 1):414-417, February 2006.
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Class I: Mullerian Agenesis or
Hypoplasia



Most Severe type of MDA
Segmental agenesis and variable degrees of uterovaginal
hypoplasia
Mayer-Rokitansky-Kuster-Hauser Syndrome
Class I: Mullerian Agenesis or
Hypoplasia

◦ Complete agenesis
 Primary Amenorrhea
 Normal Ovarian Function  Normal secondary
sex characteristics
◦ consists of complete vaginal agenesis
◦ 90% of patients presenting with associated cervical and uterine
agenesis
i
◦ 10% of cases a rudimentary mullerian structure is identified
which can be functional or nonfunctional (with or without
endometrial layer)

◦ Functional Remnant
 Primary Amenorrhea
 Normal Ovarian FunctionNormal secondary sex
characteristics
 Severe cyclic abdominal pain secondary to
Cryptomenorrhea and Hematometra
Failure of the distal ends of the mullerian ducts to progress
beyond the 8th week of gestation results in complete absence
of the uterus and vaginal. If both mullerian ducts fail to reach
the urogenital sinus, only the vagina will be absent.
Class I: Mullerian Agenesis or
Hypoplasia
Mullerian Agenesis
Androgen Insensitivity
Karyotype
46, XX
46, XY
Gonads
Ovaries
Testes
Pubic/Axillary Hair
Normal female
Absent/Sparse
Breast Development
Normal
Normal
Testosterone Level
Female Range
Male Range
Heredity
Unknown
Maternal X-linked
recessive; 25% risk of
affected child, 25% risk of
cancer
Other Anomalies
Frequent
Rare
Gonadal neoplasia
Normal Incidence
5% incidence of malignant
tumor
Symptoms
Class I: Mullerian Agenesis or
Hypoplasia

Imaging
◦ Ultrasound
 Initial evaluation; however evaluation of uterine remnant may
be difficult due to limited acoustic window of US
◦ MRI
 Use to complement US
 Important for differentiating between Uterine agenesis and
hypoplasia
 MRI Criteria
 Uterine body and fundus- No uterine tissue (agenesis) or uterine
tissue but no complete uterus (remnant)
 Endometrium-Endometrial tissue may be present
 Cervix- Absent, distorted, or length < of uterine body; absent or
distorted endocervical canal
 Vagina- Absent or replaced by a thin band of fibrous tissue
 Other- Obstruction may be present
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Figure 13a. Müllerian agenesis in a 17-year-old girl with primary amenorrhea and normal
secondary sexual features.

Class I: Mullerian Agenesis or
Hypoplasia
Management
◦ Correct Anatomic Abnormalities
 Mayer-Rokitansky-Kuster-Hauser syndrome pt may opt for creation of neovagina
 Vaginal Dilators
 Pt applies pressure to vaginal dimple twice a day for 20-30 minutes
 First the length of the vagina is established and then the desired width using graduated dilators
 Average amount of time needed to create neovagina is 12 months
 Successful in 90%
 McIndoe Procedure
 Space is created between the bladder and the rectum using split thickness graft
 Successful
S
f l in
i 83
83-92%
92%
 Davydove Procedure
 Space is created between the bladder and the rectum using peritoneum
 May be done Laparoscopically
 Vecchietti Procedure
 plastic “olive” is placed on the vaginal
 Traction is placed on the device and subperitoneal sutures (placed via laparotomy or laparoscopy) are then used to pull the
dimple upwards.
◦ Functional mullerian remnants is present
Suppress menstruation followed by laparoscopic removal of hypoplastic remnant
Surgical management is mandated because of potential for pregnancy Rupture of the Mullerian Remnant
Evaluation of Kidneys and Spine. If either abnormal then evaluate Cardiac and Auditory function.




Garel L et al. Radiographics 2001;21:1393-1407
Fertility
◦
In Vitro Surrogacy
◦
Adoption
50% live birth rate
No increase in congenital anomalies


©2001 by Radiological Society of North America
Class I: Mullerian Agenesis or
Hypoplasia
Class II: Unicornuate Uterus


22yo female G1P0 was brought to the hospital by her parents. She was amennorheic x 140 days.
She presents with the complaint of severe upper abdominal pain and right shoulder pain, weakness,
and diaphoresis.
PE
◦
◦
◦
Pulse 140, BP 70/?
Gen- pale, clammy, cold
Abdominal exam- distended abdomen, tender to palpation with both rebound and guarding


◦

Bimanual exam- Cervical motion tenderness present, forniceal fullness appreciated
I
Imaging
i
Ultrasonography revealed fluid in Morrison’s pouch, paracolic gutters and pelvis. Fetus with biparietal diameter
of 27mm was visualized in the anterior uterovesical pouch.
Management◦
◦
Fluid Resuscitation
Laparotomy



Fetus was visualized attached to placenta by intact umbilical cord
Placenta was located in the ruptured right rudimentary horn
The right rudimentary horn was excised along with the pregnancy
Bhattachary TK, Sengupta P. Rudimentary horn pregnancy. MJAFI 2005; 61(4): 377378.http://medind.nic.in/maa/t05/i4/maat05i4c1.shtml [PDF]
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Class II: Unicornuate Uterus
Class II: Unicornuate Uterus
Asymmetric anomaly in which a singlehorned uterus opens into normal vagina.
 During approximately the 9th week of
gestation, one Mullerian duct fails to
elongate
l
or reachh the
h urogenital
i l sinus
i
with the contralateral duct.
 Most cases have a contralateral
rudimentary horn which can be cavitary
or noncavitary.

Class II: Unicornuate Uterus
Class II: Unicornuate Uterus
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
Symptoms





Dysmenorrhea
Hematometra
Endometriosis
Infertility
Ectopic pregnancy
 Due to transperitoneal sperm migration
 Rupture of Rudimentary Horn
 Incidence of Rudimentary Horn Pregnancy- 1:76,000-140,000
 70-90% rupture in second trimester
 Results in Life threatening hemorrhage with 90% of deaths occurring
within 10-15 minutes of rupture
 Physical Exam Findings
 Baart de la faille’s sign- bimanual exam finding of palpable mass extending
outward from uterine angle
 Ruge Simon Syndrome -displacement of fundus to contralateral side with
rotation of uterus and elevation of the affected horn
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Class II: Unicornuate Uterus
Class II: Unicornuate Uterus

Obstetric Complications
◦
◦
◦
◦
◦
◦
Class II: Unicornuate Uterus

Abnormal Fetal Lie
Intrauterine Growth Restriction
Live birth mayy be achieved in 29.2%
Preterm Delivery Rate is 44%
Miscarriage Rate is 29%
Ectopic pregnancies 4%.
Class III
III-- Unicornuate Uterus
Imaging
◦ Ultrasound
 Suggested if a small, rounded uterus is identified in the lateral aspect of the pelvis
 Cannot accurately detect this MDA type
◦ MRI
 MRI Criteria for classification
 Uterine body and fundus- Elongated, banana-shaped, eccentric uterus
 One
O normal-sized
l i d hhorn with
i h normall endometrial—myometrial
d
i l
i l width
id h ratio
i
 A rudimentary horn may be present, may have endometrial tissue, and may communicate with main
canal
 Classified according to rudimentary horn as follows:
 absent rudimentary horn
 rudimentary horn present with no endometrial tissue (nonfunctioning)
 rudimentary horn present with endometrial tissue that communicates with main cavity
 rudimentary horn present with endometrial tissue that does not communicate with main cavity and
may obstruct. The latter may present with abdominal pain and require surgical intervention
 Cervix- Normal
 If nonfunctional uterine horn is present, then it typically has a low signal intensity on T2weighted MRI with loss of normal zonal anatomy
 If functional uterine horn is present after puberty, it appears as a cavity deformed by the
enlarged rudimentary horn which has high-signal-intensity center on both T1-T2 weighted
images (finding compatible with hematometra)
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Class III
III-- Unicornuate Uterus
Class III
III-- Unicornuate Uterus
Class II: Unicornuate Uterus

Management
◦ Nonfunctional rudimentary horn
 No surgical intervention required
◦ Functional noncommunicating horn
 Resection of rudimentaryy horn byy laparoscopy
p
py or laparotomy
p
y
 Pregnancy can occur regardless of if horn is communicating or
noncommunicating
 If pregnancy is identified before mid-second trimester then
abortion is recommended
 If pregnancy achieves mid-second trimester, then attempt
tocolysis
 Do not use oxytocin, prostaglandin, or uterine stimulants
 Hysterotomy should be completed if uterine wall thickness is <5mm
or fetal lung maturity obtained.
Class III
III-- Uterine Didelphys

A 23yo G2P3, with a documented 2-horned, bicervical uterus, was diagnosed at 9 weeks with a twin pregnancy, with one
embryo in each hemiuterus.

HPI-

PE-
◦

Abdomen was soft non-tender to palpation, no rebound/gaurding
◦
Mild irregular uterine contractions with no changes of the 2 cervices at digital examination.
◦
Fetal tracing and ultrasonography were normal for both fetuses.
Day #1
◦
Labs- Hemaglobin- 10.4 g/dL; platelet count and liver enzymes were normal. No proteinuria was detected.
◦
Diagnosis of PTL was considered and Tocolytic given (nicardipine 2mg/h). Betamethasone was also administered for fetal lung maturitation.
◦


Uterine contractions ceased rapidly, but the patient still complained of abdominal pain, which intensified the following day.
Day #2
◦

At 27 weeks, the patient presented with sudden abdominal pain developed in the right groin radiating to the lumbar region. Patient reported no vaginal
bleeding, no loss of fluid, irregular contractions, fetal movement present.
◦
LabsHemoglobin -8.5 g/dL. Platelet count, prothrombin time, and activated clotting time were normal. Liver function tests showed no hepatic cytolysis, but
total hyperbilirubinemia, mostly the free form, and hemolysis were present. The urinary dipstick became protein positive.
◦
Despite tocolysis, irregular uterine contractions reappeared and vaginal bleeding occurred.
◦
Abruptio placentae in the right horn was suspected, and an elective cesarean was determined to be necessary.
The twins were delivered through transverse hysterotomies, performed on both hemiuteri, but the incision in the right horn proved to be
transplacental.
The placentas were removed, and no evidence of abruptio placentae was found.

Externalization of the uterus didelphys revealed a 180° clockwise torsion of the right hemiuterus.

Upon retrospective review of all ultrasound reports, the placenta in the right horn was found to be inserted in the posterior wall on the last
examination, performed 48 hours before the delivery, thereby confirming that the posterior wall of the right horn, erroneously thought to be the
anterior wall, was incised during the cesarean.

Both neonates had uneventful postnatal outcome and were discharged at 6 and 8 weeks.
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Class III: Uterine Didelphys
Class III
III-- Uterine Didelphys






Class III: Uterine Didelphys
Uterine didelphys is a symmetric anomaly
Two completely separate uterine cavities are identified each
with normal zonal anatomy, endometrial cavity and cervix
Occurs at the 9th week of gestation when both
paramesonephric ducts develop but the ducts fail to fuse at
resulting in a duplicated system.
system The presence or absence
of vaginal septum is defined by the degree of fusion failure
No communication between the two cavities is present
Complete or partial longitudinal vaginal septum is
associated with the anomaly in 75% of cases
Some patients with uterine didelphys present with unilateral
hemivaginal septum  hematometrocolpos
Class III
III-- Uterine Didelphys

Symptoms
◦ Symptoms are related to presence of obstruction
◦ Nonobstructive uterus didelphys
 Asymptomatic
 Diagnosed incidentally during pelvic exam when two
cervices are identified
 Diagnosed incidentally during imaging for another
indication
◦ Obstructive uterus didelphys
 Obstructed hemivagina typically becomes symptomatic
with menarchecyclic pelvic pain
 Endometriosis
 Pelvic adhesive disease
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Class III
III-- Uterine Didelphys
Class III
III-- Uterine Didelphys

Obstetric Complications
◦ Fetal survival occurs in 41-64% of pregnancies
◦ Premature births occur 20-45% of the time
◦ Miscarriages
g occur in 32-52% of women
Class III
III-- Uterine Didelphys

Class III
III-- Uterine Didelphys
Imaging
◦ Ultrasound
 Two completely separate uterine horns, each with its own endometrial
cavity can be visualized
 No communication between the two horns can be seen
 Large fundal cleft may be noted, as well as, cervical duplication
◦ MRI
 MRI Criteria for Classification
 Uterine body and fundus- Two separate uteri, which can be joined at body; deep fundal
cleft
 Endometrium- No communication between the two endometrial cavities, normal
endometrial—myometrial width ratio in each uterus
 Cervix- Double
 Vagina- Longitudinal or oblique vaginal septum always present
 Hematometrocolpos with varying degrees of distention may also be
visualized within an obstructed hemivagina
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Class III- Uterine Didelphys
Class III- Uterine Didelphys
Dykes, T. M. et al. Am. J. Roentgenol. 2007;189:S1-S10
Copyright © 2007 by the American Roentgen Ray Society
Class III
III-- Uterine Didelphys

Management
◦ Dependent on presence or absence of
obstruction
◦ Surgical removal of vaginal septum if
obstruction or at patient request
◦ Typically Uterine Didelphys does not require
surgical intervention
Dykes, T. M. et al. Am. J. Roentgenol. 2007;189:S1-S10
Copyright © 2007 by the American Roentgen Ray Society
Class IVIV- Bicornuate Uterus





26yo G2P2 presented to her physician for
contraceptive counseling.
An IUD was placed at 6 wks postpartum
After Several Months the patient presented
t hher physician
to
h i i with
ith a complaint
l i t off 2 wks
k
delay in menses
Pregnancy Test –Positive
Ultrasound Exam Revealed a bicornuate
uterus with pregnancy in one cornua and
IUD in the second cornua
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Class IVIV- Bicornuate Uterus
Class IV Bicornuate Uterus
Two Symmetric cornua are fused caudally
with communication of the endometrial
cavities at the level of the uterine isthmus
 At the 9th week of gestation, the mullerian
d
ducts
incomplete
i
l
ffuse at the
h level
l l off the
h
uterine fundus.
 It is similar to uterine didelphys except
some degree of fusion does take place

Class IVIV- Bicornuate Uterus
Class IVIV- Bicornuate Uterus
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Class IVIV- Bicornuate Uterus

Class IVIV- Bicornuate Uterus
Symptoms

Obstetric Complications
◦ Fetal Survival Rate is 57-63%
◦ Higher prevalence of pregnancy loss
◦ Typically Asymptomatic
◦ May be discovered incidentally at imaging for
other indications
◦ May be discovered incidentally during
cesarean delivery
 Spontaneous abortion rate 28-35%
◦ Higher Incidence of preterm delivery
 Premature Birth Rate 14-23%
◦ The length of the septum is directly related to
the incidence of abortion and preterm delivery
with complete bicornuate uterus having the
highest rate
◦ Typically have fewer reproductive problems than
Classes I-V
Class IVIV- Bicornuate Uterus
Class IVIV- Bicornuate Uterus

Imaging
◦ Ultrasound
 Large indentation in the uterine fundus
 Divergent uterine horns
 Echogenic endometrial complexes
◦ MRI
 MRI Criteria for Classification
 Fundus Indented; cleft, 1 cm or more deep
 Septum- Present, muscular or combined muscular and fibrous
 Bicollis: septum to external os;
 unicollis: septum does not reach external os
 Cervix- Single or divided by a septum
 Vagina- Vaginal septum may be present in some cases
 Normal zonal and endometrial-myometrial ratio are seen in both horns
 Bicornuate Uterus is differentiated from the septate uterus by the shape of the external
contour
 The septum may consist of fibrous tissue demonstrating a low signal intensity on T2
weighted imaging
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Class IVIV- Bicornuate Uterus
Class IVIV- Bicornuate Uterus

Management
◦ Typically does not require surgical
intervention
◦ Historically treated with metroplasty
 Fertility outcomes were not improved
Class VV- Septate Uterus
Class VV- Septate Uterus







Most common Mullerian Duct Anomaly
After complete fusion of the mullerian ducts, the septum
between them must be resorbed. Typically this resorption
should occur by the 12th week of gestation.
Studies have linked presence of a uterine septum with
genetic absence of bcl-2 gene which is responsible for
apoptosis.
Septum is located in the midline fundal region
Septum is composed of poorly vascularized fibromuscular
tissue
Complete septum extends from the fundal zone to the
internal or external os and divides the endometrial cavity
A partial septum does not reach the internal os
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Class V- Septate Uterus
Class VV- Septate Uterus

Symptoms
◦ Typically Asymptomatic
◦ Complete Septum
 unilateral obstruction
 dysmenorrhea
 endometriosis
Dykes, T. M. et al. Am. J. Roentgenol. 2007;189:S1-S10
Copyright © 2007 by the American Roentgen Ray Society
Class VV- Septate Uterus

Class V: Septate Uterus
Obstetrical Complications
◦
◦
◦
◦
Fetal Survival Rate 6-28%
Premature Birth Rates 9-33%
Spontaneous
p
abortion rates 26-94%
Length of septum does not correlate with
observed obstetrical outcome
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Class V: Septate Uterus
Class VV- Septate Uterus

Imaging
◦ Ultrasound
 Partial Septa may be visualied in the intermediate aspect of the uterine cavity myometrial
echogenicity
 Complete septum demonstrates myometrial echogenicity in the fundal segment and
hypoechoic echogenicicity in the inferior segment in the fibrous caudal component
 External uterine contour may be convex, flat or mildly concave (<1cm)
 3D Ultrasound may be used to visualize the size and shape of the uterine cavity and the
serosa.
serosa
◦ MRI
 MRI Criteria for Classfication
 Fundus- Convex, flat, or minimally indented (cleft < 1 cm deep) Morphology of outer fundal contour is key to
diagnosis
 Septum- Muscular, fibrous, or combined muscular and fibrous
 Complete: septum to external os;
 partial: incomplete septum that does not reach external os
 A short septum can be difficult to differentiate from arcuate uterus on MRI. In fact, there may be a
continuum between these two entities
 Cervix-Single, divided by a septum
 Vagina-Vaginal septum may be present in some cases
 Partial or complete division of the endometrial canals by a solid mass
 Inferior segment of the complete septate uterus is composed of fibrous tissue so it appears
as low-signal intensity linear band on T2 weighted images.
Class VV- Septate Uterus
Class VV- Septate Uterus
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Class VV- Septate Uterus
Class VV- Septate Uterus

Management
◦ May be treated surgically via hysteroscopic
resection of the septum to improve obstetric
outcome
◦ Full-term delivery rate has been
demonstrated to improve from 3% prior to
hysteroscopic resection to 80% after
procedure
Class VI: Arcuate Uterus
Class VIVI- Arcuate Uterus
Small Indentation of the fundal
endometrial canal
 Normal external contour and no division
of the
o
t e uterine
ute e horns
o s
 Some consider this to be a normal
uterine variant
 Results from the near complete
resorption of the uterovaginal septum

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Class VI: Arcuate Uterus
Class VIVI- Arcuate Uterus

Symptoms

Obstetric Complications
◦ Typically Asymptomatic
◦ No Known impact on reproductive or
obstetric outcomes
Ubeda, B. et al. Am. J. Roentgenol. 2001;177:131-135
Copyright © 2006 by the American Roentgen Ray Society
Class VI: Arcuate Uterus
Class VIVI- Arcuate Uterus

Imaging
◦ Ultrasound
 Smooth indentation of the fundal endometrial canal that can
best be appreciated in the transverse plane
 No division of the uterine horns is seen
 Normal external fundal contour is noted
◦ MRI
 MRI Criteria for Classification
 Fundus- Convex
 Endometrial cavity- Short muscular saddlelike thickening of fundal
myometrium that indents endometrial cavity
 Cervix- Single
 Myometrial fundal groove is broad and isointense relative to
normal myometrium
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Class VI- Arcuate Uterus
Class VIVI- Arcuate Uterus

Management
◦ Hysteroscopic correction is rarely indicated
Mueller, G. C. et al. Am. J. Roentgenol. 2007;189:1294-1302
Copyright © 2007 by the American Roentgen Ray Society
Class VIIVII- Diethylstilbestrol
Diethylstilbestrol--related
Anomalies


Class VII: DiethylstilbestrolDiethylstilbestrol-related
Anomalies
A 26-year-old woman was evaluated because of 3 years of
primary infertility.
HPI◦ Her mother had been given 1.5 mg of DES daily for the first 6
months of pregnancy.
◦ Menarche and secondary sexual characteristics occurred
appropriately, but she experienced oligomenorrhea.

PE

Imaging
◦ a hypoplastic cervix and corpus were noted.
◦ Hysterosalpingogram highlighted a normal endocervical canal,
abnormal uterine cavity (T-shaped cornual constriction bands,
linear filling defect in lower segment), and bilateral tubal patency
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Class VIIVII- Diethylstilbestrol
Diethylstilbestrol--related
Anomalies
Class VIIVII- Diethylstibestrol
Diethylstibestrol--related
Anomalies
DES is a synthetic nonsteroidal estrogen
that was given until 1971 to prevent
miscarriage in women with prior
miscarriage
 DES iis associated
i d with
i hV
Vaginal
i l Cl
Clear C
Cellll
Carcinoma in females with intrauterine
exposure to this drug
 Structural anomalies of the uterine
corpus, cervix and vagina have been
described

Class VIIVII- Diethylstibestrol
Diethylstibestrol--related
Anomalies

Obstetrical Complications
◦
◦
◦
◦
spontaneous abortion
ectopic pregnancy
premature labor
p
increased risk for incompetent cervix during
pregnancy also has been proposed
Class VIIVII- Diethylstilbestrol
Diethylstilbestrol--related
Anomalies

Imaging
◦ MRI
 MRI Criteria for Classification
 Fundus- Convex
 Endometrial
E d
l cavity- Single
S l T
T-shaped
h d or hypoplastic
h
l
withh
irregular margins
 Cervix- Single
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References
Class
Percentage
of MDAs
Description
I
5-10
Mullerian Agenesis or Hypoplasia

Bhattachary TK, Sengupta P. Rudimentary horn pregnancy. MJAFI 2005; 61(4): 377-378.http://medind.nic.in/maa/t05/i4/maat05i4c1.shtml [PDF]
Vaginal agenesis or hypoplasia

Dockery, Keith, M.D. Imaging Interesting Cases- Case263. http://www.urmc.rochester.edu/radiology/education/materials/interesting_cases/IS_case263.cfm

Kives, Bond, Lara-Torre. Müllerian agenesis and ovarian torsion. A case report and review of literature. Journal of Pediatric Surgery. 2005. 40(8):13261328.

Thomas M. Dykes, Cary Siegel, and William Dodson
Imaging of Congenital Uterine Anomalies: Review and Self-Assessment Module
Am. J. Roentgenol., Sep 2007; 189: S1 - S10.
ASRM Classification and Estimated
Prevalence of MDAs
I-A
I-B
Cervical agenesis or hypoplasia
I-C
Fundal agenesis or hypoplasia
I-D
Fallopian tube agenesis or hypoplasia
I-E
Combined agenesis or hypoplasia (two or more)

Brandt, et al. CoreCurriculum The: Ultrasound. Lippincott, Williams and Wilkins. 2001. Edition 1. Chapter 5.
Unicornuate uterus

Demaria, Fabien; Goffinet, François; Jouannic, Jean-Marie; Cabrol, Dominique Obstetrics & Gynecology.
Preterm Torsion of a Gravid Uterus Didelphys Horn of a Twin Pregnancy106(5, Part 2):1186-1187, November 2005.

Imaging.Consult.com. Uterus, Congenital Malformations (Ultrasound). Elsevier. http://imaging.consult.com/highYieldTopicPopup?pii=S1933-0332(07)705517&figid=fig2

S. Chaudhry. AJR Teaching File: Infertility in a Young Woman. Am. J. Roentgenol., September 1, 2007; 189(3_Supplement): S11 - S12.

WC Nunley, Jr, TL Pope, Jr, and BG Bateman. Upper reproductive tract radiographic findings in DES-exposed female offspring
Am. J. Roentgenol., Feb 1984; 142: 337 - 339.

Garrel et al. Ultrasound of the Female Pediatric Pelvis. A clinical perspective. Radiographics. November 2001 RadioGraphics, 21,1393-1407.

Ryan, Ginny L.; Stolpen, Alan; Van Voorhis, Bradley J. An unusual cause of adolescent dysmenorrhea. Obstetrics & Gynecology. 108(4):1017-1022, October
2006.
II
10-20
II-A
Rudimentary horn with an endometrial cavity that communicates with the single-horned uterus
II-B
Rudimentary horn with an endometrial cavity that does not communicate with the uterus
II-C
Rudimentary horn with no endometrial cavity
II-D
No rudimentaryy horn
III
5-20
Uterus didelphys
IV
10
Bicornuate uterus
IV-A
Complete bicornuate (septum extends to the interal or external os)

IV-B
Partial bicornuate uterus (septum confined to the fundal region)

Nahum, Gerard G. Uterine Anomalies, Induction of Labor, and Uterine Rupture. Obstetrics & Gynecology. 106(5, Part 2):1150-1152, November 2005.

A Furst, H Harats, and S Mor-Yosef. Intrauterine contraceptive device and embryo sharing a bicornuate uterus: case report. Br J Gen Pract. 1992 April;
42(357): 172
Complete septate uterus (septum extends to the internal os)

Riberti, etal. Mullerian Duct Anomalies: A review of current management.
Partial septate uterus (Septum does not reach the internal os)

Elyan A, Saeed M. Mullerian Duct Anomalies: Clinical Concepts.
Arcuate uterus

Beatriz, et al. Mullerian Duct Anomalies and Mimics in Adolescents: Correlative Intraoperative Assessment with Clinical Imaging. RadioGraphics. 29:10851103. July 2009.

Grimbizis, etal. Clinical implications of uterine malformations and hysteroscopic treatment results. Human Reproduction Update. 7 (1):161-174. 2001.
V
55
V-A
V-B
VI
?
VII
VII-A
Septate uterus
DES related uterine anomalies
Quint, Elisabeth H.; Smith, Yolanda R. Primary Amenorrhea in a Teenager. Obstetrics & Gynecology. 107(2, Part 1):414-417, February 2006.
T-shaped uterus
VII-B
T-shaped uterus with dilated horns
VII-C
Uterine hypoplasia
20