模仿肝包虫囊肿的蕈样囊性肿瘤:两个罕见病例

IF 0.5 Q4 SURGERY Turkish Journal of Surgery Pub Date : 2024-03-01 DOI:10.47717/turkjsurg.2022.4805
Emel Tekin, Toros Taskin, Semin Ayhan
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引用次数: 0

摘要

肝脏黏液囊性瘤(MCN-L)是一种罕见的肿瘤,占所有肝脏囊肿的 5%以下。虽然由于其生长缓慢,在放射学和临床上被认为是 "良性囊肿",但它们被认为是癌前病变。我们介绍两例在短时间内手术的放射误诊病例,以提高人们对这种罕见肿瘤的认识。一名 47 岁的女性患者,无活动性主诉,肝脏发现 58 x 40 毫米的囊性病变,放射学诊断为包虫囊肿。病理检查显示囊肿呈多房性,囊壁被低级粘液上皮和卵巢型基质覆盖。一名 50 岁的女性患者因腹胀就诊。放射学检查发现一个 204 x 140 毫米的囊性病变,完全充满了肝脏左叶,解释为水瘤囊肿。组织病理学检查显示,囊肿内表面覆盖着低级别粘液上皮。由于囊壁明显出血和水肿,只有通过免疫组化才能检测到卵巢型基质。我们两个病例的诊断结果都是低级别 MCN-L。由于大体检查时囊肿并不完整,我们无法对手术切缘或全切作出任何评论。MCN-L 是一种手术前鉴别诊断困难的肿瘤,因为其罕见且缺乏特殊的放射学特征。虽然在良性肿瘤组中完全切除后预后良好,但也有复发的报道。
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Musinous cystic neoplasia mimicking hydatid cyst in the liver: Two rare cases
Mucinous cystic neoplasm of the liver (MCN-L) is a rare tumor which accounts for less than 5% of all liver cysts. Although they are considered to be “benign cysts” radiologically and clinically because of their slow growth, they are considered as premalignant. We present two radiologically misdiagnosed cases that operated in a short time range, in order to increase awareness for these rare tumors. A 47-year-old female patient who had no active complaints 58 x 40 mm cystic lesion was detected in the liver, which was diagnosed hydatid cyst radiologically. The pathological examination showed multiloculated cysts which was covered by low-grade mucinous epithelium and ovarian-type stroma on the cyst wall. A 50-year-old female patient presented with abdominal distention. The radiographical screening revealed a 204 x 140 mm cystic lesion that completely fills left lobe of liver which interpreted in favor of hydatid cyst. Histopathologically, the inner surface of the cyst was covered with low grade mucinous epithelium. Ovarian-type stroma was detectable only by immunohistochemistry due to significant bleeding and edema on the wall. The diagnosis of both of our cases was low grade MCN-L. Since cysts were not intact at the time of gross examination, we could not make any comment about surgical margins or total excision. MCN-L is a tumor that creates difficulty in presurgical differential diagnosis because of its rarity and lack of specific radiologic features. Although the prognosis is excellent as a result of total excision in the benign group, relapses have also been reported.
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CiteScore
1.20
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16
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FROM THE EDITOR'S DESK. Musinous cystic neoplasia mimicking hydatid cyst in the liver: Two rare cases Comments on ‘Percutaneous gas decompression can ease endoscopic derotation in sigmoid volvulus’ Pathological complete response and associated factors in breast cancer after neoadjuvant chemotherapy: A retrospective study Effect of silver colloid dressing over conventional dressings in diabetic foot ulcer: A prospective study
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