Diagnostic Imaging: Obstetrics by Paula J. Woodward MD, Anne Kennedy MD, Roya Sohaey MD

By Paula J. Woodward MD, Anne Kennedy MD, Roya Sohaey MD

The most recent variation of Diagnostic Imaging: Obstetrics presents fetal imagers with world-class content material and guideline at the most recent methodologies during this swiftly altering box. Featuring nearly 260 diagnoses highlighting the latest information, references, and images, this name serves as a pragmatic, hugely formatted advisor that’s well fitted to today’s busy fetal imaging centers. more advantageous chapters on embryology, new reference tables, up to date sufferer administration instructions, and masses extra be sure readers are current with the data required for efficient scientific practice.

  • Guides practitioners during the intricacies of obstetric and pregnancy-related anomalies
  • Features expanded embryology chapters delineating basic developmental anatomy
  • An increased variety of reference tables permits you to search for an ordinary measurement
  • Includes new perform directions for sufferer management, a precis of consensus panels, and new standardized nomenclature
  • Expanded syndrome section is wealthy in scientific pictures
  • Brand new differential diagnoses section permits you to search for a discovering and be guided to the right kind analysis (e.g., absent cavum septi pellucidi)
  • Richly coloured pictures and entirely annotated images spotlight crucial diagnostic possibilities
  • Highly templated and bulleted format makes it more straightforward than ever to find key information
  • Expert seek advice booklet model integrated with purchase, which lets you seek the entire textual content, figures, pictures, and references from the ebook on various units

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Additional resources for Diagnostic Imaging: Obstetrics

Example text

Arleo EK et al: Chorionic bump on first-trimester sonography: not necessarily a poor prognostic indicator for pregnancy. J Ultrasound Med. 34(1):137-42, 2015 Sana Y et al: Clinical significance of first-trimester chorionic bumps: a matched case-control study. Ultrasound Obstet Gynecol. 42(5):585-9, 2013 Tan S et al: The chorionic bump: Radiologic and pathologic correlation. J Clin Ultrasound. 39(1):35-7, 2011 Harris RD et al: The chorionic bump: a first-trimester pregnancy sonographic finding associated with a guarded prognosis.

Diagnostic criteria are based on TVUS measurements. • Early in 1st trimester may just see amorphous tissue or abnormal-appearing gestational sac • May see associated ovarian theca lutein cysts PATHOLOGY General Features • Etiology ○ Failure of implantation vs. failed embryonic development vs. early embryonic demise ○ 60% of spontaneous abortions < 12 weeks due to abnormal chromosomes CLINICAL ISSUES Presentation • May be asymptomatic • Vaginal bleeding, pain, contractions suggest imminent spontaneous abortion Demographics • Epidemiology ○ 30-60% documented elevations of β-hCG end as failed pregnancy ○ Up to 20% of confirmed 1st-trimester pregnancies fail ○ Increased incidence of early pregnancy failure with – Advanced maternal age – History of recurrent abortions – Poor diabetic control Treatment • Most will spontaneously abort without treatment • Vaginal misoprostol → successful evacuation of uterus in majority of patients ○ Many patients prefer definitive treatment to expectant management ○ Some will require curettage but overall expect 50% reduction in need for surgical management • Suction curettage ○ Small associated risk of excessive bleeding, uterine perforation, synechiae development 22 DIAGNOSTIC CHECKLIST Consider • Abnormalities common in early pregnancy • Diagnosis of failed pregnancy depends on knowledge of normal early pregnancy milestones Image Interpretation Pearls • 1st, do no harm ○ If in doubt regarding viability, wait and see Reporting Tips • Positive pregnancy test with intrauterine fluid collection with rounded edges is statistically most likely to be IUP ○ Probable IUP if no YS or embryo ○ Definite IUP if YS or embryo visible • Term failed 1st-trimester pregnancy simplifies terminology ○ Avoids confusion with terms such as blighted ovum, missed abortion • Live intrauterine pregnancy more accurate than viable as fetus < 24-weeks gestation not viable independent of mother • Empty amnion, expanded amnion, yolk stalk signs are described in peer-reviewed literature but are not part of 2013 consensus panel statement SELECTED REFERENCES 1.

Early embryonic demise ○ 60% of spontaneous abortions < 12 weeks due to abnormal chromosomes CLINICAL ISSUES Presentation • May be asymptomatic • Vaginal bleeding, pain, contractions suggest imminent spontaneous abortion Demographics • Epidemiology ○ 30-60% documented elevations of β-hCG end as failed pregnancy ○ Up to 20% of confirmed 1st-trimester pregnancies fail ○ Increased incidence of early pregnancy failure with – Advanced maternal age – History of recurrent abortions – Poor diabetic control Treatment • Most will spontaneously abort without treatment • Vaginal misoprostol → successful evacuation of uterus in majority of patients ○ Many patients prefer definitive treatment to expectant management ○ Some will require curettage but overall expect 50% reduction in need for surgical management • Suction curettage ○ Small associated risk of excessive bleeding, uterine perforation, synechiae development 22 DIAGNOSTIC CHECKLIST Consider • Abnormalities common in early pregnancy • Diagnosis of failed pregnancy depends on knowledge of normal early pregnancy milestones Image Interpretation Pearls • 1st, do no harm ○ If in doubt regarding viability, wait and see Reporting Tips • Positive pregnancy test with intrauterine fluid collection with rounded edges is statistically most likely to be IUP ○ Probable IUP if no YS or embryo ○ Definite IUP if YS or embryo visible • Term failed 1st-trimester pregnancy simplifies terminology ○ Avoids confusion with terms such as blighted ovum, missed abortion • Live intrauterine pregnancy more accurate than viable as fetus < 24-weeks gestation not viable independent of mother • Empty amnion, expanded amnion, yolk stalk signs are described in peer-reviewed literature but are not part of 2013 consensus panel statement SELECTED REFERENCES 1.

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