نتایج جستجو برای: mesenchymal neoplasm
تعداد نتایج: 238623 فیلتر نتایج به سال:
Chondrosarcoma is an uncommon malignant neoplasm of cartilaginous origin. Extraskeletal chondrosarcomas are far less common than their intraosseous counterparts, representing approximately 2% of all soft tissue sarcomas. Clinically, extraskeletal mesenchymal chondrosarcoma (EMC) shows a very fast progression. It also has a high incidence of local recurrence and distant metastasis. The most comm...
Perivascular epithelioid cell neoplasms represent a group of uncommon mesenchymal tumours with as yet undiscovered benign counterpart. Although perivascular have been described arising in most organ systems well soft tissue and bone, only small number reported the bladder. To date, there is no agreed system for predicting behaviour these tumours. We describe case neoplasm bladder 57-year-old ma...
Teratocarcinosarcoma is a rare, morphologically heterogeneous and highly malignant neoplasm. It is characterized by the presence of benign and malignant epithelial, mesenchymal and neural components. The carcinoma may be either squamous or adenocarcinoma and the mesenchymal component may manifest spindle, smooth, skeletal muscle, cartilage and bone features. Because of their infrequency, these ...
Fibrosarcomatous dermatofibrosarcoma protuberans: A case report of an aggressive soft tissue sarcoma
Dermatofibrosarcoma protuberans is a rare soft tissue neoplasm arising from mesenchymal cells, making up about 6% of all soft tissue tumours. Often found on the scalp, neck, trunk and extremities, it has an intermediateto low-grade malignancy potential except the fibrosarcomatous variant (high-grade), which is more likely to metastasize than other types. Here we present the case of a 46-year-ol...
Ameloblastic fibroma (AF) is a benign tumor, it is a true mixed tumor composed of neoplastic epithelium and mesenchymal. This tumor is rare, and it almost arises in the mandible. A 22-years old female patient referred AF in the maxillary was present. The tumor was asymptomatic, except the right facial bulge. The radiograph showed a well-circumscribed neoplasm with several low density cysts invo...
An epidemic of a malignant neoplasm occurs in northern pike, Esox lucius L., from the Aland Islands of Finland. The neoplasm is morphologically similar to other pike hemic tumors reported in other areas of the world. Pike normal tissues showed evolutionary conservation with the mammalian intermediate filament proteins cytokeratin, desmin, vimentin, neurofilament protein, and glial fibrillary ac...
lipoma is a benign mesenchymal tumor of fat with uncertain pathogenesis. although the most common mesenchymal neoplasm in trunk and proximal portions of the extremities, it is rarely seen in the oral cavity. oral lipomas are clinically soft, smooth-surfaced nodular masses that mostly are less than 3 cm in size. typically the tumor is asymptomatic unless bitten or become noticeable because of th...
Introduction. Inflammatory myofibroblastic tumor is a mesenchymal neoplasm with an aggressive potential and tendency for recurrence. It known to occur in variety of locations, including the female genital tract. The objective this study was provide overview clinical, histopathological, immunohistochemical molecular features inflammatory tumor, emphasizing diagnostic pitfalls Case Report. diagno...
myofibroma is an uncommon benign mesenchymal neoplasm. solitary myofibroma is common in soft tissues of head and neck, but rare in the jaw bones. only a few sporadic cases of solitary myofibroma of mandible have been described. the aim of the present study was to present a clinical case of a patient with a myofibroma in mandible bone and its management. differentiating this lesion from other be...
The neoplasms is a solid-appearing moderately cellular spindle cell neoplasms with abundant intercellular collagen deposition. The tumor is moderately vascular, but without the typical “staghorn vessels”. A number of the blood vessels are hyalinized. In some field the cells have “rhabdoid” features with abundant eosinophilic cytoplasms and eccentrically displaced nuclei Only occasional mitoses ...
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