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女婴,14个月,因被发现右上臂内侧肿块3个月于1978年4月中旬手术。肿块约3厘米直径大小,逐渐长大。局部皮肤稍隆起,肿块可被推动,无红肿压痛。手术时见肿块与周围脂肪组织不易分离,切除标本送病理检查。肉眼检查:肿块大小4。5×4×2.3厘米,呈扁圆形,表面灰白结节状,切面未见包膜,由灰白致密稍显示光泽的纤维组织条索与不规则淡黄色脂肪区域和不规则灰白半透明粘液样区域混合构成。镜下所见:由胶元纤维组织、未成熟的间叶组织、脂肪组织构成,各成份排列规则,境界清楚。一、胶元纤维组织:纤维细胞及胶元纤维条索呈漩涡状或波浪状排列,部份区域纤维细胞核排列成栅
The baby girl, 14 months old, had an intramural mass of the right upper arm 3 months after surgery in mid-April 1978. The mass was about 3 cm in diameter and gradually grew. The local skin is slightly raised and the mass can be promoted without redness and tenderness. During the operation, it was found that the lump was not easily separated from the surrounding adipose tissue and the specimen was removed for pathological examination. Visual inspection: The size of the mass is 4.5 × 4 × 2.3 cm. It is oblate and has a grayish nodular surface. No capsule is seen on the cut surface. The fibrous tissue is slightly grayish and the area is irregular and light yellow. Irregular gray translucent mucilage-like area mixed composition. Seen under the microscope: It is composed of collagen fiber tissue, immature mesenchymal tissue, and adipose tissue. The components are arranged in a regular pattern and the realm is clear. First, the collagenous fibrous tissue: The fibrocytes and the collagen fibers are arranged in a swirling or wavy arrangement, and the fiber nuclei are arranged into a grid in some regions.