The management of lymphatic malformation (LM) in pediatric patients is challenging. Complete excision of LM is difficult to achieve in some cases. We reviewed our experience how to manage LM.
We retrospectively reviewed the patients who were treated for LM between 2010 and 2017. Medical records were reviewed about age of diagnosis, age of treatment age, gender, symptom, location of tumor, treatment modality, response and complication.
Sixty-three patients (39 boys and 24 girls) were included. Mean age at diagnosis was 14.5±28.0 months (range, neonate-10 years). The involved lesion were head and neck in 27 patients (42.9%), abdominal cavity in 7 patients (11.1%), chest wall and abdominal wall in 11 patients (17.5%), buttock in 7 patients (11.1%), and extremities in 11 patients (17.5%). The treatment options were including surgical resection in 32 patients, sclerotherapy in 7 patients, surgical resection combined sclerotherapy in 19 patients, and close observation in 5 patients. We achieved complete remission in 39 patients. Fourteen patients showed partial remission and 6 showed recurrences.
Despite surgical difficulty, meticulous excision with supportive treatment, and adjuvant sclerotherapy could get a favorable outcome without fatal complication. Decision should be based on surgeon's experience, location of LM, related symptoms, and consultation with patient's parents.
Lymphangiomas or cystic hygromas are quite commonly seen in children. During a 22-year period, from January 1980 to December 2001, 117 patients with lymphangioma were treated and followed in the Department of Pediatric Surgery at Hanyang University Hospital. The male-to-female ratio was 1.9:1 (77:40) with a male preponderance. As for the age incidence at time of diagnosis, 10 (8.5 %) patients were noted under 1 month of age, 37 (31.6 %) were between 1 month and 1 year of age, 12 (10.3 %) between 1 and 2 years of age, so 59 (50.4 %) were under 2 years of age. Sixty one (52.1 %) lymphangioma-cases were located in the neck, including one case at the nape. Axilla was the second in frequency and the rest were scattered at various sites. The intrascrotal lymphangioma is very rare but we have experienced one case of primary intrascrotal lymphangioma. Eighteen (15.4 %) cases were located in the intraabdominal area, 10 in the mesentery, 2 in the greater omentum and 6 in the retroperitoneum. The chief complaints of intraabdominal lymphangioma were abdominal pain, intestinal obstruction, inguinal hernia, palpable mass, and/or abdominal distension. Among 77 histologically proven cases, 14 cases were cavernous lymphangiomas and the rest were cystic lymphangiomas. Bleeding in the lymphangioma was noted in 20 (17.1 %) cases of all. As for the treatment, a complete excision was performed in 77 (65.8 %) patients and AgNO3 sclerotherapy after incomplete excision was performed in 23 (19.7 %). Picibanil (OK-432) sclerotherapy was performed in 17 (14.5 %) patients. Recurrence rate was 7.7 % and mortality occurred in one case who had a large neck lymphangioma extending into the mediastinum.
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