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Background <p>To illustrate and properly diagnose the different neoplastic and non-neoplastic low T2 signal lesions of the ovary using a radiologic diagnostic approach to reach a proper management plan.</p> Patients and methods <p>A cross sectional study of 28 female patients with 48 ovarian lesions were included in the study. All cases were examined by ultrasound &amp; magnetic resonance imaging was recommended and done. Cases with low T2 signal were selected. Image analysis was done to the ovarian lesions as well as to the associated findings to reach the appropriate diagnosis. Furthermore, serological and pathological assessments were done in 15 lesions, the others underwent ultrasound follow up if indicated.</p> Results <p>Among the examined 28 patients with low T2 signal ovarian lesions, 11 patients had a unilateral lesion while 17 patients had bilateral lesions, 3 of which had 3 lesions each, making the whole number of lesions 48 lesions. Out of the 48 lesions, 43 (89.6%) were benign and 5 (10.4%) were malignant and consequently, diagnosis of a benign condition/lesion can be made with a high degree of confidence when observing a low T2 signal ovarian lesion. Thirty three (68.8%) lesions showed evidence of diffusion restriction while fifteen (31.2%) lesions didn’t show diffusion restriction, so, low T2 signal benign fibrous/hemorrhagic lesions can be restricted due to compact fibrous tissue or due to blood byproducts. Fourteen lesions (29.1%) were diagnosed as fibromatosis and hyperthecosis which are underdiagnosed benign conditions that requires no surgical intervention (mostly bilateral lesions).</p> Conclusion <p>The majority of low T2 ovarian lesions were benign. Bilaterality is a common finding. Diffusion restriction can be seen in low T2 benign fibrous and hemorrhagic lesions. Fibromatosis and hyperthecosis are underdiagnosed benign conditions that requires no surgical intervention. A proper diagnostic approach to low T2 signal ovarian lesions using the patient’s history, lesion morphology, T1 and diffusion weighted images signal and associated findings can help in achieving proper management plan including avoiding unnecessary surgical interventions.</p>

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Unleashing low T2 magnetic resonance imaging signal of the ovary: a radiologic diagnostic approach

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月16日

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  • Shereen AbdelRaouf,
  • Soha Talaat Hamed,
  • Safaa Ibrahim Saif El-nasr,
  • Maha Mohammed Amer

摘要

Background

To illustrate and properly diagnose the different neoplastic and non-neoplastic low T2 signal lesions of the ovary using a radiologic diagnostic approach to reach a proper management plan.

Patients and methods

A cross sectional study of 28 female patients with 48 ovarian lesions were included in the study. All cases were examined by ultrasound & magnetic resonance imaging was recommended and done. Cases with low T2 signal were selected. Image analysis was done to the ovarian lesions as well as to the associated findings to reach the appropriate diagnosis. Furthermore, serological and pathological assessments were done in 15 lesions, the others underwent ultrasound follow up if indicated.

Results

Among the examined 28 patients with low T2 signal ovarian lesions, 11 patients had a unilateral lesion while 17 patients had bilateral lesions, 3 of which had 3 lesions each, making the whole number of lesions 48 lesions. Out of the 48 lesions, 43 (89.6%) were benign and 5 (10.4%) were malignant and consequently, diagnosis of a benign condition/lesion can be made with a high degree of confidence when observing a low T2 signal ovarian lesion. Thirty three (68.8%) lesions showed evidence of diffusion restriction while fifteen (31.2%) lesions didn’t show diffusion restriction, so, low T2 signal benign fibrous/hemorrhagic lesions can be restricted due to compact fibrous tissue or due to blood byproducts. Fourteen lesions (29.1%) were diagnosed as fibromatosis and hyperthecosis which are underdiagnosed benign conditions that requires no surgical intervention (mostly bilateral lesions).

Conclusion

The majority of low T2 ovarian lesions were benign. Bilaterality is a common finding. Diffusion restriction can be seen in low T2 benign fibrous and hemorrhagic lesions. Fibromatosis and hyperthecosis are underdiagnosed benign conditions that requires no surgical intervention. A proper diagnostic approach to low T2 signal ovarian lesions using the patient’s history, lesion morphology, T1 and diffusion weighted images signal and associated findings can help in achieving proper management plan including avoiding unnecessary surgical interventions.