Study Design. Report of four cases and a review of the literature. Objectives. To study the
clinical features and prognosis of primitive neuroectodermal tumor or extraskeletal Ewing …

We aim to review the imaging appearance of primary bony tumors of the spine and
simulating lesions. Benign bone tumors commonly appear as well-circumscribed, slow …

Background: Primary spinal primitive neuroectodermal tumors (PNET) and/or spinal
extraskeletal Ewing's sarcoma family tumors (ESET) are rare lesions appearing in the spinal …

Materials and Methods: The imaging findings of 100 consecutive histopathologically proven
EWS were analyzed retrospectively. All uncommon presentations with respect to age and …

Malignant primary vertebral tumours comprise an uncommon group of primary bone
malignancies that can pose a diagnostic and therapeutic challenge. The most frequently …

In children, tumors of the spine are much rarer than intracranial tumors. They are classified
into intramedullary, intradural-extramedullary, and extradural tumors. Magnetic resonance …

Extraskeletal Ewing's sarcoma (EES) is a rare soft tissue tumor that is morphologically
indistinguishable from skeletal ES. We report a case of a 25-year-old female with recurrent …

Extraskeletal Ewing's sarcoma (EES) is a branch of neuroectodermal tumor (PNET), which is
very rare soft tissue sarcoma. We report a case of EES/PNET arising is the lung of a 67-yr …

Background Peripheral primitive neuroectodermal tumors are extremely rare tumors in the
spine; only 18 cases of extra-dural peripheral primitive neuroectodermal tumor cervical …

A rare case of extraskeletal Ewing sarcoma, arising primarily in the spinal epidural space is
reported. An 18-year-old male presented with a 2-month history of right shoulder pain …