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Case Reports
. 2010 Jun 3:5:48.
doi: 10.1186/1749-8090-5-48.

Complete removal of heart-compressing large mediastinal lipoma: a case report

Noritoshi Minematsu  1 , Naoki Minato, Keiji Kamohara, Takeshi Hakuba
Affiliations
Case Reports

Complete removal of heart-compressing large mediastinal lipoma: a case report

Noritoshi Minematsu et al. J Cardiothorac Surg. .

Abstract

An 83-year-old man presented with worsening of respiratory discomfort and underwent close examination, which revealed a large mediastinal lipoma measuring 15 x 10 cm. The patient showed heart failure symptoms due to heart compression by tumor. The tumor was completely removed safely and reliably by cutting the ascending aorta, main pulmonary artery and superior vena cava. Although preoperative examination could not determine whether the tumor was lipoma or liposarcoma, we selected an invasive surgical therapy because neither radiation therapy nor chemotherapy was considered effective for either type of tumor. We report here a very rare case of heart-compressing mediastinal tumor.

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Figures

Figure 1
Figure 1
Computed tomography showed a large tumor behind the ascending aorta and pulmonary artery and compressing the right and left atria.
Figure 2
Figure 2
(A) Intraoperative photograph and (B) surgical specimen showed a giant tumor located within the middle and posterior mediastinum.
Figure 3
Figure 3
(A) The tumor showed a multilocular structure with fibrous septa and (B) the majority of cells were differentiated with low cellular density and poor vascular proliferation.
See this image and copyright information in PMC

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