<p id="par0005">We report on a rare case of metastasizing malignant triton tumor.p>
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<p id="par0010">We report on the first case of a malignant triton tumor with concurrent atypical neurofibroma and malignant peripheral nerve sheath tumor.p>
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<p id="par0015">The coexistence of atypical neurofibroma, malignant peripheral nerve sheath tumor and malignant triton tumor in the context of NF1 provides valuable information on the pathogenesis of malignant triton tumors.p>