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 ¤  Abstract
 ¤ Introduction
 ¤ Case Report
 ¤ Discussion
 ¤  References
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UNUSUAL CASE
Year : 2012  |  Volume : 8  |  Issue : 1  |  Page : 19-20
 

Successful management of pleural lipoma by video-assisted thoracoscopic surgery


Department of Surgery, Kasturba Medical College, Manipal, Karnataka, India

Date of Submission31-Aug-2010
Date of Acceptance04-Sep-2010
Date of Web Publication13-Jan-2012

Correspondence Address:
Seetharam Prasad
Department of Surgery, Kasturba Medical College, Manipal, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-9941.91776

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 ¤ Abstract 

Pleural lipoma is an extremely rare clinical entity. Symptomatic pleural lipoma is rarer. We report a case of symptomatic pleural lipoma which was successfully managed by video-assisted thoracoscopic surgery (VATS). A brief review of relevant literature has been included in the article.


Keywords: Pleural lipoma, video-assisted thoracoscopic surgery, pleura tumour


How to cite this article:
Prasad S, Ramachandra L, Agarwal S, Sharma D. Successful management of pleural lipoma by video-assisted thoracoscopic surgery. J Min Access Surg 2012;8:19-20

How to cite this URL:
Prasad S, Ramachandra L, Agarwal S, Sharma D. Successful management of pleural lipoma by video-assisted thoracoscopic surgery. J Min Access Surg [serial online] 2012 [cited 2020 Feb 25];8:19-20. Available from: http://www.journalofmas.com/text.asp?2012/8/1/19/91776



 ¤ Introduction Top


Lipomas are benign soft tissue tumors arising from mature adipocytes. Although they can be encountered almost anywhere in the body, their occurrence within the thoracic cavity in relation to the pleura is very rare. Most reported cases of pleural lipoma are of asymptomatic lipomas, which are accidentally discovered. We report a case of symptomatic pleural lipoma, which was successfully treated by video-assisted thoracoscopic surgery (VATS).


 ¤ Case Report Top


A 45-year-old man presented to us with dry cough and mild chest discomfort since 1 year. His chest examination was unremarkable. Plain X-ray of the chest showed an abnormal spherical shadow in the upper portion of the right lung. A CT scan of the thorax revealed a 9 × 6 cm 2 sized well-circumscribed lesion with fat attenuation in the upper lobe of the right lung suggestive of pleural lipoma [Figure 1]. All other haematological and biochemical investigations were within normal limits. The lesion was removed by VATS [Figure 2]. Histopathological examination of the retrieved specimen revealed that the lesion was composed of well-differentiated mature adipocytes, which is suggestive of a lipoma.
Figure 1: CT scan of the thorax showing a well-circumscribed lesion with homogenous fat attenuation in the upper lobe of the right lung

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Figure 2: Intraoperative photograph showing pleural lipoma being excised

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 ¤ Discussion Top


Lipomas are benign soft tissue neoplasms composed of mature adipocytes. Although lipomas are ubiquitous, they are rarely encountered in the thoracic cavity. Intrathoracic lipomas are classified as, [1]

  • Endobronchial lipoma: arising from the sub-cutaneous fat of the tracheobronchial tree.
  • Parenchymal lipoma: located peripherally within the lung parenchyma.
  • Pleural lipoma: originating from the submesothelial parietal pleura which may extend into subpleural, pleural or extrapleural spaces. [2]
  • Mediastinal lipoma.
  • Cardiac lipoma.


These slow growing neoplasms are mostly asymptomatic. Rarely they may attain a sufficient size to produce symptoms such as non-productive cough, heaviness in the chest and dyspnoea. An asymptomatic pleural lipoma may be accidentally discovered by a plain radiograph. A CT scan may be required to demonstrate the pleural origin and fatty composition. [3] In the CT scan, pleural lipomas demonstrate a homogenous fat attenuation with values of -50 to-150 HU. A heterogenous attenuation should suggest the possibility of a liposarcoma. [4]

In spite of the benign nature of the pleural lipoma, surgical treatment is recommended by most authors [5],[6] as it is very difficult to differentiate lipoma from a well-differentiated liposarcoma preoperatively. However, if the lesion is symptomatic as in our patient, surgery is the only option which offers cure. When surgery for a benign lesion-like lipoma is being contemplated, it is of paramount importance that the procedure causes least discomfort, morbidity and interference with the quality of life. VATS satisfies all these criteria and hence can be considered as the most appropriate procedure for such lesions. It avoids thoracotomy and significantly reduces the procedure related morbidity thereby assuring early return to normal activity. A literature search yields very few reports of treatment of intrathoracic lipomas by VATS. [7],[8],[9] To the best of our knowledge, this is the first reported case of an intrathoracic lipoma successfully treated by VATS in the English literature.

To conclude, a pleural lipoma though rare should be included in the list of differential diagnosis for a homogenous pleural mass and VATS is the most appropriate treatment option for such benign intrathoracic lesions.

 
 ¤ References Top

1.Politis J, Funahashi A, Gehlsen JA, DeCock D, Stengel BF, Choi H. Intrathoracic lipomas: Report of three cases and review of literature with emphasis on endobronchial lipoma. J Thorac Cardiovasc Surg 1979;77:550-6.  Back to cited text no. 1
[PUBMED]    
2.Gaerte SC, Meyer CA, Winer-Muram HT, Tarver RD, Conces DJ Jr. Fat-containing lesions of the chest. Radiographics 2002;22:S61-78.  Back to cited text no. 2
[PUBMED]  [FULLTEXT]  
3.Salahudeen HM, Hoey ET, Robertson RJ, Darby MJ. CT appearances of pleural tumors. Clin Radiol 2009;64:918-30.  Back to cited text no. 3
[PUBMED]  [FULLTEXT]  
4.Muller NL. Imaging of pleura. Radiology 1993;186:297-309.  Back to cited text no. 4
    
5.Takayama T, Hirai S, Ishihara T, Kumazaki S, Sano K, Mishima H, et al. Pleural lipoma: Report of a case. Surg Today 1994;24:173-75.  Back to cited text no. 5
[PUBMED]    
6.Chung JH, Moon DS, Oh HE, Park CS, Choi JE. A case of pleural lipoma treated with video assisted thoracic surgery (VATS). Tuberc Respir Dis 2005;59:556-60.  Back to cited text no. 6
    
7.Gotoh M, Niimi T. [Intrathoracic chest wall type lipoma with crescent-shaped mass on computed tomography; report of a case]. Kyobu Geka 2009;62:340-3.  Back to cited text no. 7
[PUBMED]    
8.Hayakawa M. Pleural lipoma: Report of a case. Kyobu Geka 2005;58:1185-8.  Back to cited text no. 8
[PUBMED]    
9.Furrer M, Inderbitzi R. [Case report: Endoscopic resection of a 5 cm intrathoracic lipoma]. Pneumologie 1992;46:334-5.  Back to cited text no. 9
[PUBMED]    


    Figures

  [Figure 1], [Figure 2]

This article has been cited by
1 Subpleural lipoma: Management of a rare intrathoracic tumor
Sakellaridis, T. and Panagiotou, I. and Gaitanakis, S. and Katsenos, S.
International Journal of Surgery Case Reports. 2013; 4(5): 463-465
[Pubmed]



 

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