MALIGNANT TRANSFORMATION IN A HYBRID SCHWANNOMA/PERINEURIOMA: ADDITION TO THE SPECTRUM OF A MALIGNANT PERIPHERAL NERVE SHEATH TUMOR

Malignant transformation in a hybrid schwannoma/perineurioma: Addition to the spectrum of a malignant peripheral nerve sheath tumor

Benign nerve sheath tumors include schwannomas, neurofibromas and perineuriomas.The malignant counterpart of a nerve sheath tumor is designated as a malignant peripheral Placemats nerve sheath tumor (MPNST).Lately, benign nerve sheath tumors comprising more than one component have been described, including hybrid schwannomas/perineuriomas.However,

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Numerical Investigation on Instability Flow Behaviors of Liquid Oxygen in a Feeding Pipeline with a Five-Way Spherical Cavity

The hydrodynamic information of liquid oxygen in the conveying pipeline of cryogenic launch vehicles directly determines the reliability of the operation of the turbopump.A 0.09 MPa anomalous pressure fall phenomenon in the feeding system has been observed during the flight and run test of a cryogenic rocket with four parallel engines.In previous w

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