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Spindle cell lipoma is most frequently located in the upper back, shoulder, or posterior neck subcutaneous layer. [3] Nonetheless, reports of it occurring in the mediastinum, hypopharynx, larynx, anterior neck, suprasellar region, esophagus, nasal vestibule, tongue, floor of mouth, vallecula, parotid gland, and breast have been made. [4]
Pleomorphic lipomas, like spindle-cell lipomas, occur for the most part on the backs and necks of elderly men and are characterized by floret giant cells with overlapping nuclei. [7]: 625 Spindle-cell lipomas are asymptomatic, slow-growing, subcutaneous tumors that have a predilection for the posterior back, neck, and shoulders of older men.
Patients are usually younger than those who present with a lipoma. There is a slight male predominance. Hibernoma are most commonly identified in the subcutaneous and muscle tissue of the head and neck region (shoulders, neck, scapular), followed by thigh, back, chest, abdomen, and arms.
Furthermore, multinucleated large cells with radically positioned nuclei in a "floret-like" pattern are strewn among the spindle cells. The histological spectrum is rather diverse, ranging from a tumor that primarily consists of spindle cells with only a few fat cells to a tumor that resembles an average lipoma with few spindle cells ...
The histopathological appearance of DDL tumors (see Fig. 2 in the below Histopathology of liposarcomas section) varies widely but most frequently exhibits features of undifferentiated pleomorphic sarcomas (which are tumors densely populated with variably sized and shaped cells containing variability sized and shaped nuclei) or spindle cell ...
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 ...
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Vascular appearance of tumor [7] Hypocellular mesenchymal lesion; Spindled and stellate cells with an ill-defined cytoplasm; Cells loosely scattered in a myxoid stroma; No evidence of nuclear atypia and mitosis; Numerous, thin-to-thick wall vessels of different sizes; Myxoid, hypocellular background; Bland cytological appearance of spindle cells