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Cholangiolocellular Carcinoma Misdiagnosed As Hemangioma: Unique Central Fibrotic Area Devoid of Cancer Cells Detected on a Seven-Year Follow-Up.

作者信息

Shao Wenhua, Kamo Hitomi, Yoshioka Kazuo, Izumi Keisuke, Tsuneyama Koichi

机构信息

Department of Molecular Pathology, Tokushima University, Tokushima, JPN.

Department of Surgery, Taoka Hospital, Tokushima, JPN.

出版信息

Cureus. 2024 Nov 5;16(11):e73091. doi: 10.7759/cureus.73091. eCollection 2024 Nov.

DOI:10.7759/cureus.73091
PMID:39650917
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11621242/
Abstract

Cholangiolocellular carcinoma, a subtype of peripheral-type intrahepatic cholangiocarcinoma, is a relatively rare primary liver tumor. This case report describes a patient with cholangiolocellular carcinoma that was initially misdiagnosed as hemangioma, and ultimately underwent complete tumor resection after a seven-year follow-up period. A 72-year-old female patient with a history of chronic hepatitis C was followed up regularly at the hospital. Computed tomography (CT) performed seven years prior had detected a small tumor (12 mm) with radiographic characteristics suggestive of hemangioma. The tumor increased in size from 12 to 32 mm over the next seven years. On CT, the tumor showed poor central enhancement, indicating reduced blood flow in the central region. Due to the suspicion of malignancy, partial surgical resection was performed. Pathological examination confirmed a diagnosis of cholangiolocellular carcinoma. The carcinoma exhibited vascular invasion and a broad central fibrous area with hyalinization, lacking epithelial cells, and marked by venous obstruction. This case underscores the challenge of distinguishing cholangiolocellular carcinoma from hemangioma, particularly in small tumors with similar radiological features. The findings highlight the importance of employing additional diagnostic modalities such as ultrasound and magnetic resonance imaging, as well as the necessity of biopsy when suspicion arises. This case also describes the unique finding of a central fibrous area without tumor cells, which may have resulted from localized circulatory disturbances potentially caused by tumor embolism in the portal and hepatic veins. This pathological finding provides valuable insights into the nature of this rare tumor.

摘要

相似文献

1
Cholangiolocellular Carcinoma Misdiagnosed As Hemangioma: Unique Central Fibrotic Area Devoid of Cancer Cells Detected on a Seven-Year Follow-Up.
Cureus. 2024 Nov 5;16(11):e73091. doi: 10.7759/cureus.73091. eCollection 2024 Nov.
2
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本文引用的文献

1
Gradually progressive cholangiolocellular carcinoma: a case report.渐进性胆管细胞癌:一例报告
Surg Case Rep. 2021 Dec 20;7(1):263. doi: 10.1186/s40792-021-01342-0.
2
[A case of cholangiolocellular carcinoma found to be hepatic hemangioma at 16-month follow up].
Nihon Shokakibyo Gakkai Zasshi. 2018;115(12):1078-1086. doi: 10.11405/nisshoshi.115.1078.
3
[A case of cholangiolocellular carcinoma combined with intrahepatic cholangiocarcinoma diagnosed after 4 years follow-up for hepatic hemangioma].
Nihon Shokakibyo Gakkai Zasshi. 2012 Feb;109(2):231-9.
4
Liver masses with central or eccentric scar.伴有中央或偏心性瘢痕的肝脏肿块。
Semin Ultrasound CT MR. 2009 Oct;30(5):418-25. doi: 10.1053/j.sult.2009.07.004.
5
Cholangiolocellular carcinoma of the liver: imaging findings.肝内胆管细胞癌:影像学表现
J Comput Assist Tomogr. 2009 Sep-Oct;33(5):682-8. doi: 10.1097/RCT.0b013e318195400c.