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Giant Cervical Kystic Lymphangioma in Children: Surgical Management of a Case

DOI: 10.4236/ijohns.2019.81001    218 Downloads   339 Views  

ABSTRACT

Introduction: Cervical cystic lymphangiomas are rare benign dysembryoplastic tumors of lymphatic origin. Its severity in the child is due on one hand to their fast evolution and the compression of the way aerodigestive and on the other hand, by the classical difficulty of their excision. The purpose of this work was to report a case of giant cervical cystic lymphangioma in a child to discuss the difficulties associated with its management in our context. Observation: This was a 3-year-old female child who was admitted to the ENT department of CHU “Luxembourg” for right lateral cervical swelling. The clinical examination had noted a large anterior-latero cervical swelling of soft, renitent, painless palpation, movable in relation to the superficial and deep plane, measuring about 20 cm × 17 cm, the skin was healthy. It wasn’t particularity to the rest of the physical examination. The diagnosis of giant cervical cystic lymphangioma was discussed. Thorough excision of the swelling by right lateral cervicotomy was performed. Anatomopathological examination of the operative specimen confirmed the diagnosis. The postoperative course was simple and the evolution was favorable. Conclusion: Cervical cystic lymphangiomas are rare. Their management involves surgery, with short and long-term post-operative outcomes are often excellent.

1. Introduction

Kystic lymphangiomas are rare benign dysembryoplastic tumors of lymphatic origin, which represent 2.6% to 5% of congenital cervical masses [1] . They return, with neurofibromas and hemangiomas in the context of hamartomas. They usually occur during childhood with 60% of cases before the first year of life [2] [3] . Of ubiquitous siege, their preferential localization is the posterior cervical triangle, with often mediastinal extension in 10% of cases [3] . The gravity of these tumoral formations in the child is due on one hand to their fast evolution and the compression of the way aerodigestive and on the other hand, by the classical difficulty of their excision [4] [5] [6] .

The purpose of this work was to report a case of giant cervical cystic lymphangioma in a child to discuss the difficulties associated with its management in our context.

2. Observation

It was a 3-year-old female child, without particular pathological history, who was admitted on 15 December 2017 into the ENT department of CHU “Luxembourg” for a large anterior swelling. Lero-cervical right. This swelling was observed at the birth of the child and gradually increased in volume. There was no dyspnea, no dysphonia or dysphagia.

At the admission: on the general examination, the child had a good general condition with a Karnofski index at 90%, a temperature at 36.5˚C, a weight at 12 kg. On examination of the neck, he has marked bulky anterolateral-cervical tumefaction right soft, renitent, painless palpation, mobile relative to the superficial and deep, measuring about 20 cm × 17 cm, the skin was healthy looking (Figure 1).

There were no palpable cervicofacial or axillary lymphadenopathies. The rest of the physical exam was peculiar. Thus, the diagnostic hypothesis of a cervical cystic lymphangioma was mentioned. The cervical ultrasound performed showed a mass with multi-partitioned trans-sonic content of about 22 cm in diameter. The result of the cervico-thoracic computed tomography (CT) performed was in favor of a heterodense right anterolateral-cervical mass, a fluid component containing heterogenously enhanced daughter vesicles after injection of the contrast medium (Figure 2).

The cervical structures opposite are pushed back to the outside. The blood work done was without particularities. These elements made it possible to establish an operative indication. The intervention consisted of general anesthesia with orotracheal intubation in a cervicotomy according to Paul André's technique following a careful dissection of a soft rounded mass of fluid content adherent to the sternocleidomastoid muscle (Figure 3).

Ablation of the mass was obtained without nerve or vascular injury. The closure was carried out plan by plan after the installation of a Redon drain. Anatomopathological examination of the operative specimen confirmed the diagnosis

Figure 1. Child with a large right anterioleterocervical mass of soft consistency.

Figure 2. CT images in axial sections showing a multiple antero-collero-cervical mass multi compartmentalized, heterodense, fluid content.

Figure 3. Intraoperative mass excision after careful dissection.

of cystic lymphangioma by showing a tumoral pluritissulaire formation with cysts papered by sometimes flattened cells, small strips of keratin of glands and by the foyers of bleeding and of inflammation (Figure 4). The postoperative course was simple and the evolution was favorable. Postoperative controls did not show recurrence one year later (Figure 5).

Figure 4. Histological aspect showing a tumoral training pluritissulaire with cysts papered by sometimes flattened cells, lamellas of keratin of glands and of the homes of bleeding and of inflammation.

Figure 5. Post-operative images of the child one year later.

3. Discussion

Cystic lymphangiomas can be found in all parts of the body except the brain, but they affect most of the cervical area in about 75% of cases. Because of the latency of the disease, the discovery can be done at any age of life. However, children are most affected by cervical localization in about 90% [7] . The predominance of sex varies from one study to another [8] [9] .

The symptomatology is a function of the size and topography of the kystic formations. Apart from the palpable cervical mass, cystic lymphangiomas have no clinical specificity. Thus, the circumstance of discovery is sometimes a revealing symptomatology such as the cervical mass as in this observation. Previous locations such as in the case reported are often asymptomatic, in contrast to posterior formations, frequently symptomatic by irritation and compression [10] . Physical signs are lacking or of little value, except in some large tumors well over a hemi-thorax. During the course of the disease, cystic lymphangiomas can become infected, presenting with inflammatory flares or intra-cystic haemorrhage, which is also a source of compression [4] .

Medical imaging can evoke the diagnosis. Only histology allows a diagnosis of certainty [1] [2] [4] . Ultrasound shows a hypoechoic or anechoic appearance, sometimes with sediment or fine internal echoes and posterior reinforcement of echoes [10] . The cervical scanner is currently the reference examination, it shows a low density tumor (10 - 36 HU) but the septa are sometimes only revealed after injection of the contrast medium [11] . Magnetic resonance imaging seems to be useful for the exploration of this tumor but would prove to be less efficient than computed tomography especially in case of complications [7] .

Therapeutically, many means are proposed such as chemical sclerosis, mediastinal drainage in mediastinal forms, surgery and even radiotherapy [2] [4] . The aim of surgical treatment is to perform complete excision of kystic lymphangiomas. The surgical indication is twofold, either in the case of an acute evolutionary accident resulting in a mediastinal compressive syndrome, or the usual uncertainty of the diagnosis in the asymptomatic patient. The obsession with malignancy, before which some observations have been reported, is a very accessory indication [4] . In the case reported, surgical treatment was indicated to establish the diagnosis of certainty and avoid the occurrence of complications. Given the difficulty of dissection because of the frequent infiltration, visceral adhesions to large vessels of the mediastinum, nerves or even the trachea, complete surgical excision is the only therapy to ensure a definitive cure. The approach is chosen based on localization and kystic extensions. Lateral cervicotomy is recommended by many authors for pure cervical localization. The cervico-mediastinal variety is useful when the seat of the lymphangioma is very anterior to the mediastinal stage [4] . In the case reported, the intervention did not cause any particular technical difficulties; there were no vascular or nervous sacrifices. The success of this intervention would also be explained by the fact that the cystic formation was well circumscribed with a cleavage plan. Sclerotherapy finds its indication at both ends of the natural evolution of kystic lymphangioma. A spontaneous regressive sclerosis is only described for small tumors [4] . This justifies the chemical sclerosis which could slow the evolution in the newborn and avoid a difficult surgical intervention. Some tumors are unresectable because of their size and location with a dangerous anatomical relationship or the general condition of the fragile patient, at high risk of surgery. These unresectable tumors can be treated alternatively by radiotherapy or chemical sclerosis [4] .

4. Conclusion

Cervical kystic lymphangiomas are rare. The diagnosis suspected in clinical examination and medical imaging is only confirmed after the anatomopathological examination of the operative specimen. The management involves a fairly often complex surgery that remains effective despite the advent of sclerotherapy. Short- and long-term follow-up is often excellent.

Consent of the Parental Rights

We obtained the consent of the parents of the child for the publication of the images.

Conflicts of Interest

We, authors of this article declare that there is no conflict of interests.

Cite this paper

Sidibé, Y. , Kanté, A. , Coulibaly, A. , Koné, R. , Koné, M. , Diakité, F. , Ouattara, D. , Haidara, A. , Sanogo, B. , Dao, S. , Konate, N. , Doumbia, K. , Timbo, S. , Keita, M. and Mohamed, A. (2019) Giant Cervical Kystic Lymphangioma in Children: Surgical Management of a Case. International Journal of Otolaryngology and Head & Neck Surgery, 8, 1-6. doi: 10.4236/ijohns.2019.81001.

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