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Click 16-year-old female with an intra-abdominal cystic lymphangioma. Axial CT Abdomen/Pelvis with contrast (intravenous iodixanol, contiguous 2.5 mm helical images) demonstrates 1. Large multicystic mass with multiple thin septations extending anterior and posterior to the body of the stomach without evidence of obstruction and 2. The left gastric artery and additional smaller vessels traverse the lesion without evidence of vascular narrowing.

Click 16-year-old female with an intra-abdominal cystic lymphangioma. Coronal reformatted CT Abdomen/Pelvis with contrast (intravenous iodixanol, contiguous 2.5 mm helical images) demonstrates 1. Large multicystic mass with multiple thin septations extending anterior and posterior to the body of the stomach without evidence of obstruction and 2. The left gastric artery and additional smaller vessels traverse the lesion without evidence of vascular narrowing.

Click 16-year-old female with an intra-abdominal cystic lymphangioma. MRI abdomen, with and without contrast (T2 Axial SSFSE, 10 cc intravenous administration of Multihance) demonstrates 1. Large multicystic lesion (12.8 x 8.9 x 11.3 cm) centered within the gastrohepatic ligament with multiple thin septations, likely representing a lymphangioma or mesenteric cyst. This lesion extends anterior and posterior to the body of the stomach, which appears narrowed but without evidence of obstruction. 2. The left gastric artery and additional smaller vessels traverse the lesion without evidence of vascular narrowing. 3. There is no complex fluid or thickened enhancing portions of the lesion to suggest infection.

Click 16-year-old female with an intra-abdominal cystic lymphangioma. MRI abdomen, with and without contrast (T2 coronal SSFSE, 10 cc intravenous administration of Multihance) demonstrates 1. Large multicystic lesion (12.8 x 8.9 x 11.3 cm) centered within the gastrohepatic ligament with multiple thin septations, likely representing a lymphangioma or mesenteric cyst. This lesion extends anterior and posterior to the body of the stomach, which appears narrowed but without evidence of obstruction. 2. The left gastric artery and additional smaller vessels traverse the lesion without evidence of vascular narrowing. 3. There is no complex fluid or thickened enhancing portions of the lesion to suggest infection.

Click 16-year-old female with an intra-abdominal cystic lymphangioma. MRI abdomen, with and without contrast (T2 Axial LAVA, 10 cc intravenous administration of Multihance) demonstrates 1. Large multicystic lesion (12.8 x 8.9 x 11.3 cm) centered within the gastrohepatic ligament with multiple thin septations, likely representing a lymphangioma or mesenteric cyst. This lesion extends anterior and posterior to the body of the stomach, which appears narrowed but without evidence of obstruction. 2. The left gastric artery and additional smaller vessels traverse the lesion without evidence of vascular narrowing. 3. There is no complex fluid or thickened enhancing portions of the lesion to suggest infection.

Click 16-year-old female with an intra-abdominal cystic lymphangioma. MRI abdomen, with and without contrast (T2 axial LAVA 20 sec, 10 cc intravenous administration of Multihance) demonstrates 1. Large multicystic lesion (12.8 x 8.9 x 11.3 cm) centered within the gastrohepatic ligament with multiple thin septations, likely representing a lymphangioma or mesenteric cyst. This lesion extends anterior and posterior to the body of the stomach, which appears narrowed but without evidence of obstruction. 2. The left gastric artery and additional smaller vessels traverse the lesion without evidence of vascular narrowing. 3. There is no complex fluid or thickened enhancing portions of the lesion to suggest infection.

Click 16-year-old female with an intra-abdominal cystic lymphangioma, 7 months post-operative. Axial CT Abdomen/Pelvis with contrast reveals normal findings with no evidence of recurrent disease. [Contiguous 2.5 mm helical images, arterial phase, 80 ml Omnipaque 350 intravenous contrast. Oral contrast was ingested.]

Click 16-year-old female with an intra-abdominal cystic lymphangioma, 7 months post-operative. Coronal reformatted CT Abdomen/Pelvis with contrast reveals normal findings with no evidence of recurrent disease. [Contiguous 2.5 mm helical images, arterial phase, 80 ml Omnipaque 350 intravenous contrast. Oral contrast was ingested.]

Click 16-year-old female with an intra-abdominal cystic lymphangioma, 7 months post-operative. Sagittal reformatted CT Abdomen/Pelvis with contrast reveals normal findings with no evidence of recurrent disease. [Contiguous 2.5 mm helical images, arterial phase, 80 ml Omnipaque 350 intravenous contrast. Oral contrast was ingested.]