نتایج جستجو برای: soft tissue tumor
تعداد نتایج: 1326928 فیلتر نتایج به سال:
BACKGROUND The radiographic evaluation of the response to preoperative chemotherapy for bone and soft tissue sarcomas is based mostly on the change in primary tumor size before and after chemotherapy, as is done for many solid cancers. Its prognostic correlation, however, has hardly been validated. METHODS We conducted a retrospective validation study of the Japanese Orthopaedic Association (...
liposarcoma is a common malignant soft tissue tumor, accounting for 10% to 16% of all sarcomas. multicentric myxoid liposarcoma is an uncommon condition. differentiation between several primary tumors and metastasis of a single liposarcoma represents the main difficulty in diagnosis. a 47-years old woman presented with right thigh myxoid liposarcoma and underwent wide margin tumor resection. ot...
Perineurioma is a rare benign tumor of the peripheral nervous system distinct from schwannomas and neurofibromas. It may be intraneural or extraneural (in the soft tissue). Extraneural soft tissue perineuriomas are uncommon; rare cases have been reported in the oral cavity. We present a case of soft tissue perineurioma in the tip of the tongue. The tumor was characterized by slender spindle cel...
BACKGROUND No single imaging approach is ideal for every tumor. While radiography can be effective for diagnosis of specific tumors, additional imaging is often required. Soft tissue sarcomas require a multimodality approach. METHODS The authors discuss the general imaging approaches for patients who present with soft tissue masses, the fundamental principles inherent to tumor imaging, and th...
A case of benign mixed tumor of the soft tissue in a 64-year-old Japanese male is presented. He noticed a painless, elastic hard mass sized 3 cm in the right knee, which gradually grew larger and harder in the last 5 years. Magnetic resonance imaging demonstrated a mass lesion embedded in the subcutaneous tissue with low and high signal intensity at T1- and T2-weighted images, respectively. Tl-...
BACKGROUND Signal transducer and activator of transcription 3 (STAT3) is a key signaling molecule and a central cytoplasmic transcription factor, implicated in the regulation of growth. Its aberrant activation has been demonstrated to correlate with many types of human malignancy. However, whether constitutive STAT3 signaling plays a key role in the survival and growth of soft-tissue tumors is ...
Shear wave elasticity imaging (SWEI) can assess the elasticity of tissues, but the shear modulus estimated in SWEI is often less sensitive to a subtle change of the stiffness that produces only small mechanical contrast to the background tissues. Because most soft tissues exhibit mechanical nonlinearity that differs in tissue types, mechanical contrast can be enhanced if the tissues are compres...
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