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Undifferentiated pleomorphic sarcoma (UPS), also termed pleomorphic myofibrosarcoma, [1] high-grade myofibroblastic sarcoma, and high-grade myofibrosarcoma, [2] is characterized by the World Health Organization (WHO) as a rare, poorly differentiated neoplasm (i.e., an abnormal growth of cells that have an unclear identity and/or cell of origin). [3]
A leiomyosarcoma (LMS) is a rare malignant (cancerous) smooth muscle tumor. [1] The word is from leio- 'smooth' myo- 'muscle' and sarcoma 'tumor of connective tissue'. The stomach, bladder, uterus, blood vessels, and intestines are examples of hollow organs made up of smooth muscles where LMS can be located; however, the uterus and abdomen are the most common sites.
Pleomorphic rhabdomyosarcoma (undifferentiated rhabdomyosarcoma), also known as anaplastic rhabdomyosarcoma, is defined by the presence of pleomorphic cells with large, lobate hyperchromatic nuclei and multipolar mitotic figures. These tumors display high heterogeneity and extremely poor differentiation.
Atypical fibroxanthoma (AFX) of the skin is a low-grade malignancy related to malignant fibrous histiocytoma, which it resembles histologically. [2]: 613 Atypical fibroxanthoma manifests as a hard, pink or red papule or nodule that grows over the course of several months and may bleed or ulcerate.
Pleomorphic dermal sarcoma [4] Reticulum cell sarcoma of skin; References This page was last edited on 2 February 2025, at 22:31 (UTC). Text is available under ...
A year or two ago, chances are you’d never given much thought to the concept of “seed oils.” But in 2025, they’re becoming harder to ignore.
In the US, July is widely recognized as Sarcoma Awareness Month. [34] The UK has a Sarcoma Awareness Week in July led by Sarcoma UK, the bone and soft-tissue cancer charity. [35] American YouTuber Technoblade was diagnosed with sarcoma in August 2021, and died from his illness in June 2022 after the sarcoma metastasized. He had raised over ...
The test is one of several promising ideas that researchers are pursuing as ways to identify or rule out autism early in a child’s life. Other scientists are looking into eye-tracking, blood ...