Therefore, when radiological findings suggest lipogenic tumor but are different from those of lipoma, spindle cell lipoma as well as well-differentiated liposarcoma should be considered for differential diagnoses. Although expected sites of spindle cell lipoma are the posterior neck, shoulder region, and upper back, it may also arise in the lower extremity. Angervall L, Dahl I, Kindblom LG, Save S. From these histological findings, diagnosis of spindle cell lipoma was made. Low-grade fibromyxoid sarcoma and hyalinizing spindle cell tumor with giant rosettes: a. Spindle cell lipoma (SCL) is a rare benign tumor which occurs most commonly in the posterior neck, shoulder and back. In addition, immunohistochemical study showed positive staining for CD34. Histopathological examination revealed that the tumor consisted of spindle cells, collagen fibers, and lipocytes. Spindle cell lipomas are common benign tumours of adipose tissue, typically occurring in the posterior neck, shoulder and back in middle-aged to elderly men. Because pathological findings of the tiny specimen obtained by needle biopsy showed lipogenic tumor and the possibility of well-differentiated liposarcoma could not be ruled out, wide excision was performed. SUBCUTANEOUS SPINDLE CELL LIPOMA AND SUBCUTANEOUS PLEOMORPHIC LIPOMA The subcutaneous spindle cell lipoma is constituted by mature adipose tissue mixed with. fat and tissue which produce blood cells Spindle cell: the fat cells here are quite longer. A soft tissue mass on the lateral aspect of the knee, measuring 5 x 6 cm in size, that had been noticed 1 year previously showed slightly lower signal intensities both on T1- and T2-weighted magnetic resonance images than those of subcutaneous adipose tissue. Lipoma is a fatty tissue lump which grows under the skin. The diagnosis of spindle cell lipoma should be suggested when a well-defined complex fatty mass is found in the subcutis of a middle-aged man, especially if the mass is localized to the posterior neck. A rare case of spindle cell lipoma of the knee in a 58-year-old woman is presented. Spindle cell lipoma is considered to be a distinctive lipomatous tumour histologically characterized by a mixture of fat cells and fibroblast-like spindle cells. The objective of this article is to define the imaging characteristics of spindle cell lipoma on MRI and CT.
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