Dermoid cyst ultrasound: Difference between revisions

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==Ultrasound==
==Ultrasound==
*Ultrasound may be helpful in the diagnosis of dermoid cyst.  
*Ultrasound may be helpful in the diagnosis of ovarian dermoid cyst.  
*Findings on pelvic ultrasound suggestive of ovarian dermoid include:<ref name=ok>Mature (cystic) ovarian teratoma. Radiopedia. http://radiopaedia.org/articles/mature-cystic-ovarian-teratoma Accessed on February 19, 2016</ref><ref name="pmid9762997">{{cite journal| author=Patel MD, Feldstein VA, Lipson SD, Chen DC, Filly RA| title=Cystic teratomas of the ovary: diagnostic value of sonography. | journal=AJR Am J Roentgenol | year= 1998 | volume= 171 | issue= 4 | pages= 1061-5 | pmid=9762997 | doi=10.2214/ajr.171.4.9762997 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9762997  }} </ref>
*Findings on pelvic ultrasound suggestive of ovarian dermoid include:<ref name=ok>Mature (cystic) ovarian teratoma. Radiopedia. http://radiopaedia.org/articles/mature-cystic-ovarian-teratoma Accessed on February 19, 2016</ref><ref name="pmid9762997">{{cite journal| author=Patel MD, Feldstein VA, Lipson SD, Chen DC, Filly RA| title=Cystic teratomas of the ovary: diagnostic value of sonography. | journal=AJR Am J Roentgenol | year= 1998 | volume= 171 | issue= 4 | pages= 1061-5 | pmid=9762997 | doi=10.2214/ajr.171.4.9762997 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9762997  }} </ref>
**Unilocular, cystic adnexal mass with some mural components
**Unilocular, cystic adnexal mass with some mural components
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===Doppler Ultrasound===
===Doppler Ultrasound===
*Doppler ultrasound may be helpful in the exclusion of vascular masses and the findings may include:<ref name=ok>Mature (cystic) ovarian teratoma. Radiopedia. http://radiopaedia.org/articles/mature-cystic-ovarian-teratoma Accessed on February 19, 2016</ref>
*Doppler ultrasound may be helpful in the exclusion of other vascular ovarian masses.
*The findings on doppler ultrasound may include:<ref name=ok>Mature (cystic) ovarian teratoma. Radiopedia. http://radiopaedia.org/articles/mature-cystic-ovarian-teratoma Accessed on February 19, 2016</ref>
**No internal vascularity  
**No internal vascularity  
***Internal vascularity needs further workup to exclude a malignant lesion.
***Internal vascularity needs further workup to exclude a malignant lesion.

Revision as of 15:47, 19 February 2016

Dermoid cyst Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]Associate Editor(s)-in-Chief: Soujanya Thummathati, MBBS [3]

Overview

Ultrasound

  • Ultrasound may be helpful in the diagnosis of ovarian dermoid cyst.
  • Findings on pelvic ultrasound suggestive of ovarian dermoid include:[1][2]
    • Unilocular, cystic adnexal mass with some mural components
    • Diffusely or partially echogenic mass with posterior sound attenuation from the sebaceous material and hair within the cyst cavity
      • An echogenic interface at the edge of mass that obscures deep structures (the tip of the iceberg sign)
    • Mural hyperechoic dermoid plug (rokitansky nodule)
    • Echogenic, shadowing calcific or dental (tooth) components
    • Presence of fluid-fluid levels
    • Multiple thin, echogenic bands caused by hair in the cyst cavity (the dot-dash pattern)

Doppler Ultrasound

  • Doppler ultrasound may be helpful in the exclusion of other vascular ovarian masses.
  • The findings on doppler ultrasound may include:[1]
    • No internal vascularity
      • Internal vascularity needs further workup to exclude a malignant lesion.

Gallery

  • The ultrasound of the submental area showing a sizeable infrasonic formation with distinct boundaries.[3]

    The ultrasound of the submental area showing a sizeable infrasonic formation with distinct boundaries.[3]

  • The ultrasound of the submental area showing a sizeable infrasonic formation with distinct boundaries.[3]

    The ultrasound of the submental area showing a sizeable infrasonic formation with distinct boundaries.[3]

  • Tansabdominal USG: Uterus long axis - normal uterus, left adnexal ovarian dermoid cystic lesion noted.[4]

    Tansabdominal USG: Uterus long axis - normal uterus, left adnexal ovarian dermoid cystic lesion noted.[4]

  • Ovarian dermoid left adnexa[4]

    Ovarian dermoid left adnexa[4]

  • Ovarian dermoid right adnexa[4]

    Ovarian dermoid right adnexa[4]

References

  1. ↑ 1.0 1.1 Mature (cystic) ovarian teratoma. Radiopedia. http://radiopaedia.org/articles/mature-cystic-ovarian-teratoma Accessed on February 19, 2016
  2. ↑ Patel MD, Feldstein VA, Lipson SD, Chen DC, Filly RA (1998). "Cystic teratomas of the ovary: diagnostic value of sonography". AJR Am J Roentgenol. 171 (4): 1061–5. doi:10.2214/ajr.171.4.9762997. PMID 9762997.
  3. ↑ 3.0 3.1 Makos C, Noussios G, Peios M, Gougousis S, Chouridis P (2011). "Dermoid cysts of the floor of the mouth: two case reports". Case Rep Med. 2011: 362170. doi:10.1155/2011/362170. PMC 3172983. PMID 21922020.
  4. ↑ 4.0 4.1 4.2 Image courtesy of Dr Maulik S PatelRadiopaedia (original filehere). [1] CreativeCommons BY-SANC


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