孤立性单侧眼眶转移：源自于 FDG PET/CT 扫描的尤文肉瘤。
Isolated Unilateral Orbital Metastasis From Ewing Sarcoma Detected on FDG PET/CT Scan.
机构信息
From the Department of Opthalmology, Saraswathi Institute of Medical Sciences, Anwarpur, Uttar Pradesh.
Department of Nuclear Medicine and PET/CT, Platinum Imaging Centre.
出版信息
Clin Nucl Med. 2021 Jul 1;46(7):e391-e392. doi: 10.1097/RLU.0000000000003546.
Ewing sarcoma is the second most common primary malignant bone tumor that usually affects diaphysis of long bones during the second decade of life. Isolated unilateral orbital metastasis from this tumor presenting as proptosis is extremely rare. Here we report a case of 11-year-old boy where whole-body FDG PET/CT scan detected primary an Ewing sarcoma site in the left femur and isolated orbital metastasis in the left eye. Follow-up PET/CT scan after 6 cycles of chemotherapy showed resolution of the previously seen lesions.
尤因肉瘤是第二常见的原发性骨恶性肿瘤，通常发生在生命的第二个十年，影响长骨的骨干。这种肿瘤孤立性单侧眼眶转移并表现为眼球突出极为罕见。在此我们报告一例 11 岁男孩，全身 FDG PET/CT 扫描发现左侧股骨有原发性尤因肉瘤病灶和左眼孤立性眼眶转移。6 个周期化疗后的随访 PET/CT 扫描显示先前所见病变已消退。
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