eISSN: 1897-4252
ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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3/2017
vol. 14
 
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Letter to the Editor

Pulmonary epithelioid hemangioendothelioma imitating lung cancer

Mariusz Łochowski
,
Marek Rębowski
,
Dorota Jesionek-Kupnicka
,
Józef Kozak

Kardiochirurgia i Torakochirurgia Polska 2017; 14 (3): 209-210
Online publish date: 2017/10/06
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A 62-year-old man, a smoker, was admitted to our department with a history of cough, weight loss (5 kg per 3 months) and fever. The physical examination revealed weakened vesicular murmur over the upper right lobe of the lung. Chest radiography exposed consolidation in the right upper lobe (RUL). Computed tomography (CT) scans of the chest revealed a solid mass in the RUL (Fig. 1). Abdominal ultrasound did not expose any liver metastases. Bronchoscopic examination revealed a keratotic mass in the RUL bronchus (Fig. 2). The histological examination of the mass specimen detected necrosis of tissue. Fine needle biopsy of the chest tumor was negative. The patient was scheduled for surgery for suspected carcinoma. Right antero-lateral thoracotomy was performed with upper right lobectomy and lymphadenectomy. There were no complications after surgery. The patient was hospitalized for 6 days. Histological examination revealed pulmonary epithelioid hemangioendothelioma (PEH). The diagnosis was confirmed by immunohistochemical staining (Fig. 3). After 3 years of follow-up care our patient is alive without recurrence of the disease.
The PEH is a rare vascular tumor composed of endothelial cells characterized by epithelioid appearance [1]. This neoplasm was originally described in 1975 by Dail and Liebow as intravascular sclerosing bronchioalveolar tumor [2]. Prevalence is estimated at 1 in 1 million. The PEH typically manifests radiologically as multiple small unilateral (23.7%) or bilateral (76.2%) pulmonary nodules [1]. A very rare clinical finding is mimicking of bronchogenic carcinoma, as in our study [3]. Usually the patient is female, aged under 40, and complains of chest pain, cough, dyspnea, or rarely hemoptysis [1, 2]. Percutaneous and transbronchial biopsies are nondiagnostic and video-assisted thoracoscopy or thoracotomy is necessary in order to establish the diagnosis [3]. Prognosis of PEH is unpredictable; life expectancy ranges from 1 to 15 years [3].

Disclosure

Authors report no conflict of interest.

References

1. Kim M, Chang J, Choi H, Oh IJ, Park CK, Kim YC, Choi YD, Yun JS, Song SY, Na KJ. Pulmonary epithelioid hemangioendothelioma misdiagnosed as a benign nodule. World J Surg Oncol 2015; 13: 107.
2. Shao J, Zhang J. Clinicopathological characteristics of pulmonary epithelioid hemangioendothelioma: a report of four cases and review of the literature. Oncol Letters 2014; 8: 2517-2522.
3. Massera F, Delfani...


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