Intramuscular metastasis from malignant melanoma: MR findings.

Yoshioka, H; Itai, Y; Niitsu, M; Fujiwara, M; Watanabe, T; Satomi, H; Otsuka, F · Skeletal Radiol · 1999

case_report · Level V

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Abstract

We present a rare case of intramuscular metastasis from malignant melanoma. The lesion showed intermediate to high signal intensity on T1-weighted magnetic resonance (MR) images and mixed signal intensities containing high and low signals on T2-weighted images. The signal intensity on T1-weighted images, which is due to the paramagnetic effect of melanin, is a characteristic MR finding of this entity.

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