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In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
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  11. I Saw The "sea Anemone" Sign: Puffy Face Of Borderline Ovarian Tumors

I saw the "sea anemone" sign: Puffy face of borderline ovarian tumors

Yesim Yekta Yuruk1, Hilal Sahin2

  • 1Department of Radiology, Izmir Tepecik Education and Research Hospital, University of Health Sciences; Department of Radiology, Izmir City Hospital, Izmir Provincial Health Directorate.

Clinical Imaging
|May 16, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

The sea anemone sign on MRI helps diagnose serous borderline ovarian tumors (SBOTs). This sign features papillary projections, aiding in identifying these specific ovarian lesions.

Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Serous borderline ovarian tumors (SBOTs) are a distinct group of ovarian neoplasms.
  • Accurate diagnosis of SBOTs is crucial for appropriate patient management.
  • Radiologic features can aid in differentiating SBOTs from other ovarian pathologies.

Purpose of the Study:

  • To describe the sea anemone sign observed on magnetic resonance imaging (MRI).
  • To highlight the diagnostic utility of the sea anemone sign in identifying SBOTs.
  • To detail the characteristic imaging findings associated with this sign.

Main Methods:

  • Review of MRI studies in patients diagnosed with SBOTs.
  • Identification and characterization of the sea anemone sign.
  • Correlation of imaging findings with pathological results.
Keywords:
Magnetic resonance imagingOvarian tumorsSea anemone

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Main Results:

  • The sea anemone sign is characterized by papillary projections from the cystic lesion wall.
  • T2 hypointense fibrous stroma within the papilla is a key diagnostic feature.
  • These projections exhibit a frond-like or branching appearance, particularly on T2-weighted images.

Conclusions:

  • The sea anemone sign is a distinctive radiologic feature of SBOTs.
  • Its presence on MRI aids in the morphological assessment and diagnosis of these tumors.
  • This sign serves as a valuable hallmark for surface SBOTs.