Treatment of hemolymphangioma of the spleen by laparoscopic partial splenectomy: a case report
© Zhang et al.; licensee BioMed Central Ltd. 2014
Received: 28 August 2013
Accepted: 14 March 2014
Published: 21 March 2014
Hemolymphangioma is a malformation of both lymphatic and blood vessels. The incidence of splenic hemolymphangioma is extremely rare. Laparoscopic partial splenectomy is feasible, reproducible, and safe in children with focal splenic tumors. We report on the case of a 12-year-old male with a large splenic hemolymphangioma successfully managed by laparoscopic partial splenectomy. The patient recovered well after operation. Laparoscopic partial splenectomy is a safe and minimally invasive technique for treatment of splenic hemolymphangioma located in the pole of the spleen.
Focal splenic tumors, including splenic cysts and vascular neoplasms, are uncommon and require complete resection to prevent complications or recurrence . Hemolymphangioma is a malformation of both lymphatic and blood vessels. The incidence of splenic hemolymphangioma is extremely rare. In the past, total splenectomy has been the method of choice for the treatment of splenic tumors. Today, a spleen-preserving minimally invasive approach is being increasingly advocated, especially in children and young adults, in order to avoid overwhelming post-splenectomy infection [2, 3]. With a better understanding of vascular anatomy and the development of fine laparoscopic skills, laparoscopic partial splenectomy became safe and feasible. In this paper, we report on a rare case of splenic hemolymphangioma successfully managed by laparoscopic partial splenectomy.
Hemolymphangioma is a congenital malformation of the vascular system . The formation of this tumor may be explained by obstruction of the venolymphatic communication between dysembryoplastic vascular tissue and systemic circulation; only one case has been reported previously . Although rare, splenic hemolymphangioma should be considered in the differential diagnosis when a cystic tumor of the spleen is found, particularly when there is insufficient evidence to diagnose cystic hemangiomas, cystic lymphangiomas, and epidermoid and dermoid cysts. The optimal treatment strategy remains controversial. The surgical options are based on the size of the tumor, its relation to the splenic hilar vessels and parenchyma, and the amount of healthy splenic tissue remaining. The aim of treatment is to remove the entire tumor, sparing splenic tissue and avoiding recurrence. In a multicenter study performed in four European countries , a high recurrence rate was associated with laparoscopic fenestration and deroofing, and laparoscopic total cyst removal with or without splenic tissue has been considered as the treatment of choice. Additionally, deroofing carries the risk of content spillage. Currently, laparoscopic partial splenectomy is feasible, reproducible, and safe in children with hematological diseases or focal splenic tumors. Partial splenectomy is the best method to prevent post-splenectomy infections since it preserves the spleen’s immune role. Laparoscopic partial splenectomy also offers the benefits of a minimally invasive approach: laparoscopy is now considered the gold standard for total splenectomy in children [7–9]. In fact, laparoscopy leads to fewer complications such as wound dehiscence, infections, intussusceptions, and pleural effusions. Less postoperative adhesion facilitates a second laparoscopy if completions of the splenectomy or cholecystectomy are required. According to Minkes , laparoscopic splenectomy in children can be performed safely with a low conversion rate (2.9%). Laparoscopic partial splenectomy is still a challenging procedure (e.g., bleeding from the cut edge of the spleen can be difficult to control). Nevertheless, with an understanding of the vascular anatomy of the spleen, it can be safely performed. Based on vascular distribution, the spleen is divided mainly into two lobes. In our case, when the upper lobe vessels were ligated, the line of demarcation was formed making it easily accessible for partial splenectomy without major blood loss.
In conclusion, laparoscopic partial splenectomy is a safe and minimally invasive technique for the treatment of splenic hemolymphangioma located at the pole of the spleen.
Written informed consent was obtained from the patient’s parents for the publication of this report and any accompanying images.
The authors thank Sheng yong Liu for language editing.
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