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J Thorac Cardiovasc Surg 2007;133:1664-1665
© 2007 The American Association for Thoracic Surgery
Brief Communication |
a Department of Thoracic and Vascular Surgery, Evangelismos Hospital, Athens, Greece
b Department of Intensive Care and Chest Diseases, Medical School, University of Athens, Athens, Greece
c Department of Pathophysiology, Medical School, University of Athens, Athens, Greece.
Received for publication December 24, 2006; accepted for publication February 7, 2007. * Address for reprints: Charalambos Zisis, MD, PhD, FETCS, 17a, Patriarchou Grigoriou str, 166 74-Glyfada, Athens, Greece. (Email: chzisis{at}hol.gr2).
One of a variety of clinical disorders representing congenital developmental malformations of the lymphatic system, lymphangiomatosis describes the presence of multiple lymphangiomas. It is associated with other lymphatic abnormalities, and 75% of cases involve multiple organs. It most commonly presents in childhood, with predilection for thoracic and neck lesions, with up to 75% of patients having bony involvement.1
A 23-year-old man was referred to our department for a large left-sided pleural effusion representing a chylothorax as demonstrated after thoracocentesis. He had had persistent cough for months without dyspnea or hemoptysis. His medical history included small bowel resection at the age of 6 years for acute intestinal obstruction owing to intestinal lymphangiomatosis. The computed tomographic scan revealed diffuse abnormal mediastinal, retrocrural, and peritoneal lymphatic tissue with enlarged, nonhomogeneous spleen (Figure 1).
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This patients presentation is unusual and unique compared with that of other patients with lymphangiomatosis because of its controversial nature: on the one hand there is the duration of the disease, starting as acute intestinal obstruction requiring intestinal resection when the patient was 6 years old; on the other hand there is the benign course, as the second clinical manifestation occurred 17 years later with the patient remaining asymptomatic in the interim! The involvement of both the retroperitoneal space and the mediastinal compartments in a diffuse pattern is rare and suggests advanced disease with organ involvement. Paradoxically, in the case reported, the spleen is affected, whereas the bones and the lungs are not involved. Chylous pleural effusion and chylopericardium have been reported as manifestations of lymphangiomatosis in younger patients (early or late childhood), having been attributed to bone lymphangiomas resulting in progressive lysis of the bones and replacement with fibrous strands (Gorhams disease).2
In contrast, the patient profile in the case presented is different, and the chylothorax originates in pleural involvement.
The involvement of serosal surfaces and viscera has been described in the past as the most significant adverse prognostic factor in lymphangiomatosis.3
Although the disease is usually located in one part of the mediastinum (with a slightly greater prevalence in the anterior part),3
in our case all compartments are affected.
Pathophysiologic changes resulting in chylous pericardial or pleural effusions are not sufficiently known. The onset of this complication does not seem to depend on the pathologic "burden" of the disease, the extent of involved tissue, and organs or the age of the patient. Therefore, treatment cannot be standardized and decision-making is customized to the particularities of the case.4
Generalized lymphangiomatosis management can be challenging. Surgical treatment is indicated for complications (such as chylopericardium and chylothorax) or for biopsy. An important issue for management of chylous effusions is that there is not one specific source of chyle that can be stopped through the thoracic duct ligation; instead, there is a wide abnormal network of lymphatic channels. However, the best results have been reported with pleurectomy, with or without thoracic duct ligation, whereas thoracic duct ligation alone was unsuccessful in all cases. Fibrin glue application may help control lymphatic leakage from exposed surfaces after pleurectomy.2
Other treatment options include interferon alfa and systemic chemotherapy with limited success, and radiation in fractioned dose has been promising for patients with extensive mediastinal disease.5
References
This article has been cited by other articles:
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Y. Liu, X. Sui, K. Chen, J. Li, F. Yang, A. K. C. Ho, and J. Wang Thoracic Lymphangiomatosis: Report of 3 Patients With Different Presentations Ann. Thorac. Surg., December 1, 2012; 94(6): 2111 - 2113. [Abstract] [Full Text] [PDF] |
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