MR imaging of müllerian mucinous borderline tumors arising from endometriotic cysts

Masako Kataoka, Kataoka M, Kaori Togashi, Togashi K, Koyama T, Takashi Koyama, T. Yamaoka, Toshihide Yamaoka, Yoko Iwasa, Iwasa Y, Shingo Fujii, Fujii S, Konishi J, Junji Konishi
Journal of computer assisted tomography · 2002 · doi:10.1097/00004728-200207000-00011 · PMID:12218816
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MRI of müllerian mucinous borderline tumors arising from endometriotic cysts reveals unilocular masses with mural nodules and cystic hyperintensity on T1- and T2-weighted images, reflecting intraluminal mucin and stromal edema.

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This case report examines the magnetic resonance imaging characteristics of three patients with pathologically confirmed Müllerian mucinous borderline tumors originating from endometriotic cysts. The authors observed that these masses appeared as unilocular or paucilocular structures containing mural nodules, with cystic components exhibiting hyperintensity on both T1- and T2-weighted sequences. This imaging profile closely mimics clear cell or endometrioid carcinomas arising from endometriosis, although the prominent high signal intensity in mural nodules was attributed to intraluminal mucinous material and stromal edema upon correlation with pathology. This paper is centrally about endometriosis — specifically describing a rare malignant transformation where mucinous borderline tumors arise directly from pre-existing endometriotic cysts.

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Abstract

This report describes MR findings of müllerian mucinous borderline tumors, pathologically proven to have arisen from endometriotic cysts, in three patients. They were unilocular or paucilocular masses with mural nodules. Cystic components showed hyperintensity on both T1- and T2-weighted images, simulating clear cell or endometrioid carcinomas arising from endometriotic cysts. Mural nodules showed prominent high signal intensity on T2-weighted images. Correlation with pathologic findings suggests that this hyperintensity reflects intraluminal mucinous material and stromal edema.
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ABDOMINAL IMAGING: Case Report MR Imaging of Müllerian Mucinous Borderline Tumors Arising From Endometriotic Cysts - Masako Kataoka - Kaori Togashi - Takashi Koyama - Toshihide Yamaoka - Yoko Iwasa - Shingo Fujii - Junji Konishi Journal of Computer Assisted Tomography 26(4):p 532-537, July-August 2002. Abstract: This report describes MR findings of müllerian mucinous borderline tumors, pathologically proven to have arisen from endometriotic cysts, in three patients. They were unilocular or paucilocular masses with mural nodules. Cystic components showed hyperintensity on both T1- and T2-weighted images, simulating clear cell or endometrioid carcinomas arising from endometriotic cysts. Mural nodules showed prominent high signal intensity on T2-weighted images. Correlation with pathologic findings suggests that this hyperintensity reflects intraluminal mucinous material and stromal edema. Copyright © 2002 Lippincott Williams & Wilkins, Inc.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Magnetic Resonance Imaging Mixed Tumor, Mullerian Uterine Neoplasms Adult Diagnosis, Differential Endometriosis Endometriosis Endometriosis Female Humans Image Enhancement Middle Aged Mixed Tumor, Mullerian Mixed Tumor, Mullerian Mixed Tumor, Mullerian Uterine Neoplasms Uterine Neoplasms Uterine Neoplasms Uterus

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pubmed
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