颌下区原发性卵黄囊瘤1例
Chinese Journal of Diagnostic Pathology（2022）
Abstract
患者女,1岁,无意中发现右颈部肿物1月余.查体:右颈部触及直径约4 cm包块,质韧,活动性不良,患儿体位性呼吸困难.超声示右颈部低回声区,范围约4.4 cm×3.2 cm.MRI示右颌下腺区肿物(图1).临床考虑右颌下腺囊肿或结核,行肿物切除术,术中见肿物质脆,血供丰富,与周围组织粘连.术中冰冻送检:灰红灰黄色不整形组织一堆,总体积3.0 cm×1.5 cm×0.4 cm,表面未见明确包膜,组织质脆.冰冻诊断:涎腺来源的恶性肿瘤.
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