Cystic Lymphangioma of the Rectus Abdominis Muscle: An Extremely Rare Clinical Entity

Cystic lymphangioma is a rare malformative benign tumor of the lymphatic vessels. it occurs most commonly in the neck. rarely they are known to involve the axilla, groin, mediastinum, retroperitoneum, pelvis, mesentery, omentum and spleen. a 10 year old girl, without any particular pathological history, presented with complaints of swelling in the left side of abdomen increasing very slowly in size since the age of 3 years. physical examination objectified left parietal bulk, compressible, by 5 cm long axis without signs of acute inflammation. abdominal us showed a left paramedian parietal mass sub umbilical developed at the expense of the rectus abdominis muscle.