ULTRASONOGRAPHIC PRESENTATION OF NODULAR CYSTIC FAT NECROSIS AFTER A LOW-VELOCITY TRAUMA: A CASE REPORT.

Robin de Wilde, Arne Hautekiet, Sybille Geers, Luc Vanden Bossche, Martine de Muynck
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引用次数: 1

Abstract

Objective: Morel-Lavallée lesion is a well-known entity after a high-energy, shearing trauma. Another form of lesion in the subcutaneous tissue is fat necrosis, presenting as a palpable mass. The most common presentation of fat necrosis is oil cysts, which occur mainly in the breast. However, in the lower extremities fat necrosis appears as nodular cystic fat necrosis. We report here a case of a patient with multiple injuries after a low-velocity trauma, who developed fat necrosis.

Results: Six months after the traumatic event the patient reported multiple subcutaneous lumps on the right knee. On ultrasonography, the probable diagnosis of post-traumatic fat necrosis with consequent development of nodular cystic fat necrosis was seen. The diagnosis was confirmed based on magnetic resonance imaging (MRI).

Discussion: Fat necrosis should be included in the differential diagnosis in cases of tissue injuries after a trauma. Fat necrosis can present months or years after the initial injury. It is a benign entity and is the result of an organized haemorrhage, swelling and oedema that progresses with fibrosis. There is no absolute need for surgical treatment.

Abstract Image

Abstract Image

低速创伤后结节性囊性脂肪坏死的超声表现:1例报告。
目的:morel - lavallsamade病变是高能剪切外伤后常见的病变。皮下组织的另一种病变形式是脂肪坏死,表现为可触及的肿块。脂肪坏死最常见的表现是油囊肿,主要发生在乳房。然而,下肢脂肪坏死表现为结节性囊性脂肪坏死。我们在此报告一例低速创伤后多发损伤的患者,并发脂肪坏死。结果:创伤后6个月,患者报告右膝有多个皮下肿块。超声检查可能诊断为创伤后脂肪坏死,并发结节性囊性脂肪坏死。经核磁共振成像(MRI)确诊。讨论:在创伤后组织损伤的病例中,脂肪坏死应包括在鉴别诊断中。脂肪坏死可在初始损伤后数月或数年出现。它是一种良性实体,是有组织出血、肿胀和水肿的结果,并伴有纤维化。没有绝对需要手术治疗。
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