Diagnostic challenges of a decidualized ovarian endometrioma mimicking a malignant tumor during pregnancy: the role of contrast-enhanced magnetic resonance imaging: a clinical case
Contrast-enhanced MRI with diffusion-weighted imaging effectively differentiates decidualized ovarian endometriomas from malignant tumors in pregnant patients by analyzing morphology, enhancement, and ADC values.
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This clinical case report describes a 27-year-old pregnant woman at 15 weeks gestation presenting with a solid-cystic left ovarian mass initially detected via ultrasound. Contrast-enhanced MRI, incorporating diffusion-weighted imaging and apparent diffusion coefficient measurements, identified the lesion as a decidualized endometrioma by demonstrating moderate heterogeneous enhancement and the absence of significant diffusion restriction. The study highlights that these specific MRI features allow for accurate differentiation between benign decidualized endometriomas and malignant ovarian tumors, thereby supporting conservative management during pregnancy. This paper is centrally about endometriosis — specifically the diagnostic imaging challenges of decidualized ovarian endometriomas in pregnant patients.
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References (9)
- Decidualization of the human endometrium via openalex
- Decidualized Ovarian Endometrioma in a Pregnant Woman Mimicking Ovarian Malignancy: Magnetic Resonance Imaging and Ultrasonographic Findings via openalex
- Decidualized ovarian endometrioma mimicking malignancy in pregnancy: a case report and literature review via openalex
- Endometriosis-related malignancies via openalex
- Magnetic Resonance Imaging Manifestations of Decidualized Endometriotic Cysts via openalex
- Magnetic Resonance Manifestations of Decidualized Endometriomas During Pregnancy via openalex
- MRI in the Diagnosis of Endometriosis and Related Diseases via openalex
- MRI of endometriosis: A comprehensive review via openalex
- Vanishing pelvic mass: Decidualized endometriosis during pregnancy via openalex
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- last seen: 2026-09-15T06:08:52.085907+00:00