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Since ultrasonography is usually unable to distinguish a liposarcoma from a benign lipoma, MRI is the initial imaging of choice to provide evidence relative to making this distinction. [67] In myxoid liposarcoma, it shows low signal intensity mass with high signal intensity foci on T1-weighted MRI images.
A myxoid liposarcoma is a malignant adipose tissue neoplasm [1] of myxoid appearance histologically.. Myxoid liposarcomas are the second-most common type of liposarcoma, representing 30–40% of all liposarcomas in the limbs, occurring most commonly in the legs, particularly the thigh, followed by the buttocks, retroperitoneum, trunk, ankle, proximal limb girdle, head and neck, and wrist.
A soft-tissue sarcoma is often a painless mass that grows slowly over months or years. They may be superficial or deep-seated. Any such unexplained mass must be diagnosed by biopsy. [2] Treatment may include surgery, radiotherapy, chemotherapy, and targeted drug therapy. [3] Bone sarcomas are the other class of sarcomas.
Epithelioid sarcoma is a slow-growing and relatively painless tumor, often resulting in a lengthy period of time between presentation and diagnosis. [8] Due to the difficulty of discerning this cancer as different from more common cancers, such as cancers of the skin (squamous cell carcinoma or basal cell carcinoma), it is often misdiagnosed, mistaken as a persistent wart or cyst.
A lipoma is a benign tumor made of fat tissue. [1] They are generally soft to the touch, movable, and painless. [1] They usually occur just under the skin, but occasionally may be deeper. [1] Most are less than 5 cm (2.0 in) in size. [2] Common locations include upper back, shoulders, and abdomen. [4]
MRI of myxoid liposarcoma of high grade, in left axillary region of 40 year old man. Items portrayed in this file depicts. myxoid liposarcoma. location: armpit.
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.
English: Histopathology of liposarcoma, H&E stain, with the main features: - Spindle cells with enlarged, hyperchromatic nuclei. - Apparently univacuolated adipocytes (may look normal). - Lipoblasts (multivacuolated), but neither necessary nor sufficient for diagnosis. This case was likely a myxoid liposarcoma as per immunohistochemistry ...