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Tuberc Respir Dis > Volume 53(1); 2002 > Article
Case Report
Tuberculosis and Respiratory Diseases 2002;53(1):56-65.
DOI: https://doi.org/10.4046/trd.2002.53.1.56    Published online July 1, 2002.
Three cases of Pulmonary Epithelioid Hemangioendothelioma.
Seung Hyun Lee, Chang Gyun Seo, Sun Hyo Park, Kyung Chan Kim, Min Soo Kim, Seung Beom Han, Kun Young Kwon, Young June Jeon
1Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea. jeon425@dsmc.or.kr
2Department of Pathology, Keimyung University School of Medicine, Daegu, Korea.
Abstract
A pulmonary epithelioid hemangioendothelioma (PEH) is a rare tumor with a vascular origin. A PEH can arise in many organ systems, such as the lung, liver, bone and soft tissues. It is a borderline malignancy but the clinical course is usually benign. In this report, we describe three cases of PEH. Case 1, a 61-year-old man, had nonspecific chest discomfort and the chest X-ray showed a solitary lung nodule. This nodule was diagnosed by an open lung biopsy. The pathologic findings including abundant necrosis, mitosis and hyperchromatic and pleomorphic nuclei, indicated a malignancy. The electron microscopic study showed Weibel-Palade bodies and the immunohistochemical stain for CD31 showed a positive reaction in the tumor cells, and linear staining along the vascular lumina. Case 2, a 34-year-old man, was admitted for an evaluation of multiple small nodules, incidentally detected a screening chest X-ray. The nodules were diagnosed by a immunohistochemical stain for the factor VIII-related antigen. Case 3, a 34-year-old woman, complained of left pleuritic chest pain. A simple chest film and the chest CT scan revealed multiple bilateral nodules and a left pleural effusion. An immunohistochemical stain for the factor VIII-related antigen was used to diagnose the nodules. Forth-one months after the diagnosis, she died of pulmonary insufficiency.
Key Words: Pulmonary epithelioid hemangioendothelioma, Benign, Malignant
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