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  • Title: High-signal-intensity rim surrounding uterine leiomyomas on MR images: pathologic correlation.
    Author: Mittl RL, Yeh IT, Kressel HY.
    Journal: Radiology; 1991 Jul; 180(1):81-3. PubMed ID: 2052728.
    Abstract:
    A high-intensity rim surrounding uterine leiomyomas was identified on T2-weighted magnetic resonance (MR) images in five of 13 patients with histopathologically confirmed leiomyomas. These peripheral high-intensity rims were not associated with subject age or with size, location, or degeneration of the leiomyomas. Histologic examination revealed markedly dilated lymphatic vessels, dilated veins, edema, or a combination of these features to correspond to the location of the high-intensity rims. These benign causes of high intensity in the myometrium should not be confused with clinically important processes such as adenomyosis or invasion by endometrial carcinoma.
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