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例1:女,33岁。4年前发现右腰部长一肿块,时有疼痛,重体力劳动时加重。肿块逐渐增大至5cm×5cm×3cm,位置较深,不活动。行肿块切除术,水中见肿块位于肌层,与周围组织界限不清,红褐色、淡黄色相间。病理检查:肿瘤区肌纤维呈退行性改变,肌纤维间有大量成熟脂肪细胞及增生的毛细血管浸润。病理诊断:浸润性脂肪血管瘤。
Example 1: Female, 33 years old. Four years ago, a lump on the right waist was found and pain occurred, which was aggravated by heavy manual labor. The mass gradually increased to 5cm x 5cm x 3cm, and the position was deep and inactive. A lumpectomy was performed. The tumor was located in the muscular layer in the water and the boundary with the surrounding tissue was unclear, reddish brown and light yellow. Pathological examination: The muscle fibers in the tumor area showed degenerative changes, and a large number of mature adipocytes and hyperplastic capillaries infiltrated between muscle fibers. Pathological diagnosis: infiltrative fat hemangiomas.