A 4-year-old male presented with abdominal pain, mild fever, vomiting and a palpable abdominal mass. An MRI revealed a large cystic mass in the abdomen measuring 12.5 x 5.8 cm. The mass displayed multiseptations and compressed nearby bowel loops. A diagnosis of mesenteric cystic lymphangioma was made based on imaging and clinical findings. Mesenteric cystic lymphangioma is a rare cyst arising in the mesentery, most often seen in children and young adults. Surgical excision is typically the treatment with a good prognosis.

1. Imaging Department
June 26 th
, 20 1 2
Reported by Dr. Giang

2.  Name: Chu Xuan Hiep
 Sex: Male
 Age: 4 years old.
 Dept: A5

3. Clinical
 Abdominal pain
 Mild fever
 Vomiting
 Palpable abdominal mass.

4. MRI Findings
(T2WI, Axial, Pre C+)
 Well-define large cystic mass distend from
Right upper quadrant abdomen to the pelvic
(12,5 x5,8 cm)
 Hyperintense signal (homogenous)

5. MRI Findings
(T2 FS, Coronal, Pre C+)
 Hyperintense
 Compress & displace Bowel loops to the Left
 Hypointense structure pass throw the Cyst.

6. MRI Findings
(T1W, Axial, Pre C+)
 Hypointense signal = water signal

7. MRI Findings
(T1W, Coronal, Post C+)
 Multiseptations intracyst: thin & mild enhance post C+
 Structrure pass throw the cyst: enhance like bowel.

8. MRI Findings
(T1W, Axial, Post C+)
 Multiseptations intracyst: thin & mild enhance post C+

9. US Findings
 Large cystic mass with multi- thin septations (> 12,5 cm)
 Hypogenic, fluid filled cyst.
 Bowel loop pass throw the cyst.

10. Diagnosis
Mesenteric Cystic Lymphangioma

11. Background
1. Definition:
Mesenteric Cystic Lymphangioma: A cystic mass arising in the
mesentery or omentum, not from an abdominopelvic organs
2. Location: Occur anywhere in the mesentery or omentum
3. Size: Few mm to 40 cm in diameter
4. Age: Children and young adults; 33% < 15 years of age
5. Epidemiology: Rare 1/140,000 in general admission, 1/20,000
in pediatric admission

12. Background
6. Complication: Intestinal obstruction, volvulus, hemorrhage,
rupture, infection, sepsis, cystic torsion and obstruction of the
urinary and biliary tract
7. Treatment: Enucleation of cyst ± bowel resection
8. Prognosis: Good after surgery, 0-13.6% recurrence rate

13. Thank you for attention!