PMC6567645_01
Swelling occupying whole of the left side of the abdomen
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Fig1
On abdominal examination, there was a large, firm swelling of size around 20 x 15 cm occupying the left upper and lower quadrant (Fig. 1).
a Hypodense cystic mass displacing the bowel loops, abdominal aorta, and superior mesenteric vessels to the right side. b Coronal section of CECT showing a cyst occupying almost whole of the abdomen. UB urinary bladder
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Fig2
The head of the pancreas was mildly bulky but there was no focal lesion and no evidence of free fluid or lymph nodes in the abdomen suggesting a possible diagnosis of cystic pancreatic lymphangioma (Fig. 2a, b).
Excised specimen retroperitoneal cystic mass of size 25 x 15 x 15 cm
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Fig3
The patient was operated on February 2018, on exploration, and there was a cystic mass of size 25 x 15 x 15 cm (Fig. 3), which was present in the retroperitoneum pushing the small and large bowel loops anteriorly and to the right.
H&E stain (400 x) showing microfilarial fragment in a background of fibro-collagenous
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Fig4
Histopathology of the cyst revealed a unilocular cyst with walls composed of fibro-collagenous tissue lined by flattened epithelium and focal areas of calcification along with a few fragments of microfilaria (Fig. 4).