Since preoperative chemotherapy has been clearly shown to improve outcomes for patients with Ewing sarcoma, rhabdomyosarcoma, and osteosarcoma, practitioners have attempted to extend the use of adjuvant/neoadjuvant chemotherapy to other…
Desmoid-type fibromatosis is a rare nonmetastasizing neoplasm with variable behavior. Recent discoveries into the biology of this disease hold promise for identifying prognostic and predictive features and novel therapeutic targets….
Soft tissue sarcomas are rare mesenchymal cancers that pose a treatment challenge. Although small superficial soft tissue sarcomas can be managed by surgery alone, adjuvant radiotherapy in addition to limb-sparing…
Dermatofibrosarcoma protuberans (DFSP) is a rare dermal soft tissue sarcoma characterized by a typically indolent clinical course. The greatest clinical challenge in management of DFSP is achieving local control. There…
Malignant peripheral nerve sheath tumor (MPNST) is the sixth most common type of soft tissue sarcoma. Most MPNSTs arise in association with a peripheral nerve or preexisting neurofibroma. Neurofibromatosis type…
Myxofibrosarcoma is a unique subtype of soft tissue sarcoma with a locally infiltrative behavior. High-quality MRI imaging is critical for preoperative planning. Wide surgical resection with a 2 cm soft…
Fig. 13.1 High-grade glioma with both improved spectra and anatomic imaging after receiving radiation therapy. (a1–a3) Pretreatment 3D chemical shift imaging (CSI) transposed on T1-weighted gadolinium-enhanced axial image. Spectrum voxel…
Fig. 5.1 Hematoxylin and eosin micrograph of classic medulloblastoma. There are dense sheets of small round blue cells with scant cytoplasm Fig. 5.2 Hematoxylin and eosin micrograph of Homer-Wright rosettes…
Tumor type Approximate frequency (%) Clinical characteristics Imaging characteristics Predominant pathology Diffuse intrinsic 75–85 Multiple bilateral CN deficits LTS Ataxia Short clinical history Diffuse pontine enlargement T1 hypointensity T2 variable…
Major features Minor features Café au lait spots and skin freckling Macrocephaly Peripheral neurofibromas Short stature as growth hormone deficiency found in NF1 patients that do not even have hypothalamic…
