Ricardo C. Alessio

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Malignant peripheral nerve sheath tumors (MPNSTs) are extremely rare soft tissue sarcomas of ectomesenchymal origin. They are commonly seen in association with neurofibromatosis type 1 (NF-1), but can also occur without a history of NF (isolated MPNST). MPNSTs are most commonly located on the extremities (brachial and sacral plexus), head and neck, and(More)
With the development of new technologies in the diagnosis of leukemia, we have modified the method of approaching individual cases. In addition to morphological examination, cytochemistry, immunophenotyping, electron microscopy and cytogenetics are now routinely used for daily practice. Furthermore, various molecular diagnostic methods are being tested, and(More)
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