Intramuscular metastasis from malignant melanoma: MR findings.
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.
Medical subject headings
- Magnetic Resonance Imaging
- Melanoma
- Muscle Neoplasms
- Skin Neoplasms