Unexpected Histopathological Diagnosis of Placental Transmogrification of the Lung after Bullectomy for Recurrent Spontaneous Pneumothorax: A Case Report and Literature Review.

IF 1.1 4区 医学 Q4 CARDIAC & CARDIOVASCULAR SYSTEMS Annals of Thoracic and Cardiovascular Surgery Pub Date : 2022-12-20 DOI:10.5761/atcs.cr.21-00005
Jin Shiraishi, Takaki Akamine, Seiya Kato, Naoko Miura, Takuro Kometani, Yasunori Shikada, Takuo Hayashi
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引用次数: 2

Abstract

We report a 33-year-old man who presented with recurrent right pneumothorax. Computed tomography (CT) showed the presence of a large bulla with a maximum diameter of 8 cm in the right middle lobe; he subsequently underwent bullectomy. Histopathology revealed that pulmonary parenchyma adjacent to the bulla represented nodular proliferation of clear cells characterized by a papillary structure resembling placental chorionic villi. Immunohistochemically, clear cells were positive for CD10, suggesting placental transmogrification of the lung (PTL). We reviewed 36 surgical cases of PTL, and only 2 cases (5.6%), including our case, were operated for spontaneous pneumothorax. Bullous lesions secondary to PTL tend to appear as unilateral large cystic masses in non-upper lobes, which is atypical for primary spontaneous pneumothorax (PSP). Although PTL is considered a very rare cause of secondary pneumothorax, we must carefully differentiate this condition.

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复发性自发性气胸大球切除后肺胎盘变形的意外组织病理学诊断:1例报告及文献复习。
我们报告一个33岁的男性谁提出复发性右气胸。计算机断层扫描(CT)显示右侧中叶有一个最大直径为8cm的大球;随后他接受了大瘤切除术。组织病理学显示,肺大泡附近的肺实质为结节状增生的透明细胞,具有类似胎盘绒毛膜绒毛的乳头状结构。免疫组化,透明细胞CD10阳性,提示肺胎盘变形(PTL)。我们回顾了36例PTL手术病例,包括我们的病例在内,只有2例(5.6%)因自发性气胸手术。PTL继发的大疱性病变往往表现为非上肺叶的单侧大囊性肿块,这在原发性自发性气胸(PSP)中是不典型的。虽然PTL被认为是继发性气胸的一个非常罕见的原因,我们必须仔细区分这种情况。
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来源期刊
Annals of Thoracic and Cardiovascular Surgery
Annals of Thoracic and Cardiovascular Surgery CARDIAC & CARDIOVASCULAR SYSTEMS-SURGERY
CiteScore
2.80
自引率
0.00%
发文量
56
审稿时长
4-8 weeks
期刊介绍: Information not localized
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