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患者男,58岁。右膝关节上方有一无痛性、可活动肿块10余年。查体:右膝外上方皮下扪及一约6cm×5cm肿块,质较硬,活动范围较大,无压痛。 X线检查:右股骨干下段内侧软组织内有2处类椭圆形、三角形钙化影,大者约2.5cm×4cm,小者1.5cm×3cm,均由大小不等点状或结节状钙化影聚积在一起组成,边缘校整齐,呈轻微分叶状,邻近骨骺未见改变。局部肿块活检,病理报告为坏死的钙化组织。 讨论:钙质沉着症又称石灰沉着症,病理改变主要为脂肪及结缔组织变性,有不规则钙质沉着。一般分为局限型、弥漫型及肿瘤型。X线检查可以确定钙斑的有无及大小、受累范围,在鉴别诊断方面亦具有重要意义。
Male patient, 58 years old. Above the right knee there is a painless, active mass more than 10 years. Physical examination: above the right knee outside the palpable palpable about 6cm × 5cm mass, hard, wide range of activities, no tenderness. X-ray examination: the right femoral shaft medial soft tissue within the two types of oval-shaped, triangular calcification, the greater of about 2.5cm × 4cm, the smaller of 1.5cm × 3cm, both from the point of size or nodular calcification Accumulation together, the edge of alignment, was slightly lobulated, no change in the adjacent epiphysis. Local mass biopsy, pathological reports of necrotic calcified tissue. Discussion: Calcitoplasia, also known as lime syndrome, the main pathological changes of fat and connective tissue degeneration, irregular calcifications. Generally divided into localized type, diffuse type and tumor type. X-ray examination can determine the presence and size of calcium spots, the scope of involvement in the differential diagnosis is also of great significance.