Malignant Triton tumor.

MPNST with rhabdomyoblastomatous component are called Malignant triton tumors.

Malignant triton tumor (MTT) is a relatively rare, aggressive tumor made up of both malignant schwannoma cells and malignant rhabdomyoblasts.

Rekhi B, Jambhekar NA, Puri A, et al.: Clinicomorphologic features of a series of 10 cases of malignant triton tumors diagnosed over 10 years at a tertiary cancer hospital in Mumbai, India.