Objective: To determine the nascence of histogenetic, pathologic and clinic findings in patient with epithelioid sarcoma.

目的探讨上皮样肉瘤的组织发生、病、临床表现。

ObjectiveTo discuss the CT manifestation and clinical significance of rare neoplasm in maxillary sinus, includingmalignant myoepithelioma, angioendothelioma, sarcoma of plasmacyte.

目的探讨上颌窦恶性肌上皮瘤、血管内皮瘤及浆细胞肉瘤的CT表现及临床意义。

The malignant mesenchymoma is not rare actully,but owing to the one sidedness of sampling,it is always diagnosed pathomorphogically as one singletissue sarcoma.

恶性间叶瘤并少见，但由于病例取材局限，每把此肿瘤诊断成一种组织的肉瘤。

Soft tissue sarcomas are a highly heterogeneous and polygenous group of tumor, and characterized by specific chromosome translocations and corresponding fusion genes.

软组织肉瘤是一种起源、态学复杂多样的恶性肿瘤,其诊断和鉴别诊断一直是病学家们的主要挑战之一。

The possibility of postirradiation sarcoma after radiation therapy should not be a major factor influencing treatment decision in the patient with breast cancer.

由于放射治疗术后引发肉瘤之机率甚低，因此应列入乳癌病人接受放射治疗与否之主要参考因素。

Granulocytic sarcoma (GS), also known as extramedullary myeloblastoma or chloroma is an unusual manifestation and represent soft tissue masses composed of immature cells of the granulocytic series.

颗粒性白血球肉瘤也称为骨髓胚细胞瘤或绿色瘤，是一种少见的疾病。