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患婴女性,1个月。出生后发现颞部包块。行右颞部包块切除术。病理检查巨检:灰白色带梭形皮肤组织一块,4 cm×3.5 cm×1.5 cm大小,质软,无包膜;切面灰白色。镜检:皮下见大量幼稚的间叶细胞,呈片状、巢状排列(图1),巢内可见少量脂肪空泡,巢间见梭形胶原成分,部分区域基质黏液变(图2)。幼稚的间叶细胞小圆形或短梭形,胞质少,核深染(图3)。少部分区域见幼稚的间叶细胞、梭形纤维母细胞
Infant with female, 1 month. After birth found in the temporal mass. Line right temporal mass excision. Pathological examination of macroscopic examination: gray with a fusiform piece of skin tissue, 4 cm × 3.5 cm × 1.5 cm size, soft, non-enveloped; section grayish white. Microscopic examination: See a large number of immature mesenchymal cells subcutaneously, flaky, nested arrangement (Figure 1), a small amount of fat vacuoles visible in the nest, the nest to see the spindle collagen composition, some regional matrix mucus change (Figure 2). Childish mesenchymal cells small round or short fusiform, less cytoplasm, nuclear stained (Figure 3). See a small part of the naive mesenchyme cells, spindle fibroblasts