Metastatic lung tumor from hepatocellular carcinoma with tumor thrombus invasion in the pulmonary vein: a case report.
J Cardiothorac Surg
; 18(1): 167, 2023 Apr 28.
Article
en En
| MEDLINE
| ID: mdl-37118823
ABSTRACT
BACKGROUND:
Metastatic lung tumor with a tumor thrombus in the peripheral pulmonary vein is very rare. We present a case of a metastatic lung tumor from hepatocellular carcinoma (HCC) with tumor thrombus invasion in the pulmonary vein that was diagnosed preoperatively and underwent complete resection by segmentectomy. CASE PRESENTATION A 77-year-old man underwent laparoscopic lateral segment hepatectomy for HCC eight years ago. Protein induced by vitamin K absence or antagonist-II remained elevated from two years ago. Contrast-enhanced chest computed-tomography (CT) showed a 27 mm nodule in the right apical segment (S1). He was pathologically diagnosed with a metastatic lung tumor from HCC via transbronchoscopic biopsy. We planned to perform right S1 segmentectomy. Before surgery, contrast-enhanced CT in the pulmonary vessels phase for three-dimensional reconstruction showed that the tumor extended into the adjusting peripheral pulmonary vein, and we diagnosed tumor thrombus invasion in V1a. The surgery was conducted under 3-port video-assisted thoracic surgery. First, V1 was ligated and cut. A1 and B1 were cut. The intersegmental plane was cut with mechanical staplers. Pathological examination revealed moderately-differentiated metastatic HCC with tumor thrombus invasions in many pulmonary veins, including V1a. No additional postoperative treatments were performed.CONCLUSIONS:
As malignant tumors tend to develop a tumor thrombus in the primary tumor, it might be necessary to perform contrast-enhanced CT in the pulmonary vessel phase to check for a tumor thrombus before the operation for metastatic lung tumors.Palabras clave
Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Venas Pulmonares
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Trombosis
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Carcinoma Hepatocelular
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Neoplasias Hepáticas
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Neoplasias Pulmonares
Tipo de estudio:
Etiology_studies
Límite:
Aged
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Humans
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Male
Idioma:
En
Revista:
J Cardiothorac Surg
Año:
2023
Tipo del documento:
Article
País de afiliación:
Japón