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Spindle cell sarcoma is a type of connective tissue cancer. The tumors generally begin in layers of connective tissue, as found under the skin, between muscles, and surrounding organs, and will generally start as a small, inflamed lump, which grows in size. At first, the lump is, small in size, as the tumor exists in stage 1, and will not ...
Two cell types can be seen microscopically in synovial sarcoma. One fibrous type, known as a spindle or sarcomatous cell, is relatively small and uniform, and found in sheets. The other is epithelial in appearance. Classical synovial sarcoma has a biphasic appearance with both types present.
A sarcoma is a malignant tumor, a type of cancer that arises from cells of mesenchymal (connective tissue) origin. [ 1 ] [ 2 ] Connective tissue is a broad term that includes bone , cartilage , muscle , fat , vascular , or other structural tissues, and sarcomas can arise in any of these types of tissues.
Low-grade fibromyxoid sarcoma (LGFMS) is a rare type of low-grade sarcoma first described by H. L. Evans in 1987. [1] LGFMS are soft tissue tumors of the mesenchyme-derived connective tissues; on microscopic examination, they are found to be composed of spindle-shaped cells that resemble fibroblasts. [2]
The most typical feature of Kaposi sarcoma is the presence of spindle cells forming slits containing red blood cells. Mitotic activity is only moderate and pleomorphism is usually absent. [ 31 ] The tumor is highly vascular , containing abnormally dense and irregular blood vessels, which leak red blood cells into the surrounding tissue and give ...
Biphenotypic sinonasal sarcoma is a newly recognized, very rare, low-grade malignant tumor of the nasal cavity, which was formerly probably included in fibrosarcoma and synovial sarcoma cases. It was incorporated into the fourth edition of the World Health Organization Classification of Head and Neck Tumours , published in 2017.
Sarcomatoid carcinoma of the lung is a term that encompasses five distinct histological subtypes of lung cancer, including (1) pleomorphic carcinoma, (2) spindle cell carcinoma, (3) giant cell carcinoma, (4) carcinosarcoma, or (5) pulmonary blastoma. [1]
In neurobiology, spindle cell refers to: Spindle neuron, also known as a von Economo neuron; In general medicine, a spindle cell may refer to the spindle-shaped cells that are found in certain types of tumor: Inflammatory fibroid polyp; Pigmented spindle cell nevus; Spindle cell carcinoma; Spindle cell lipoma; Spindle cell sarcoma