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患儿3岁,女,发现右手掌肿块4月,无有关的个人或家族史。肿块进行性增大,疼痛和触痛、位于深层组织并达皮下,无溃烂,局部皮肤有炎性表现。肿块呈结节状,边界不清,波及中、环、小指掌侧。诊断为“脓肿”,行切开引流,结果阴性。活组织检查为肉瘤。在相关掌骨近侧1/3以远行中环小指截指术。术后伤口Ⅰ期愈合。术后3月无转移征象。病理学:肉眼见肿瘤2.5×1.5×1 cm,略带白色,由多个小结节构成,质硬,边界不清,在皮下、掌筋膜和肌肉间,波及环指近节指骨骨膜及中、小指基底部。镜下见肿瘤由大小不等的结节构成,位于皮下,延伸到肌
Children 3 years old, female, found right palm masses in April, no relevant personal or family history. The mass was progressively enlarged, pain and tenderness, deep tissue and subcutaneous, no ulceration, and local skin inflammatory manifestations. The mass was nodular and the border was unclear, affecting the middle, the ring, and the pinky palm. The diagnosis was “abscess”. The incision was performed and the result was negative. Biopsy was sarcoma. In the proximal 1/3 of the relevant metacarpal, the middle finger of the middle finger is taken. The wound healed after surgery. There were no signs of metastasis after 3 months. Pathology: The naked eye showed a tumor of 2.5 × 1.5 × 1 cm, slightly white, composed of many small nodules, hard and unclear borders, subcutaneous, palm fascia and muscle, affecting the proximal phalangeal periosteum Middle and small finger bases. Under the microscope, the tumor consists of nodules of different sizes, located subcutaneously and extending to the muscles.