CASE 189

History: A 19-year-old man presents with right costal margin pain and swelling.

1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)

A. Infarct

B. Abscess

C. Lymphoma

D. Hemangioma

E. Lymphangioma

2. Which of the following statements regarding cystic splenic lesions is true?

A. Most cystic splenic lesions are neoplastic.

B. Splenic lymphangioma is usually diagnosed in childhood.

C. Patients with echinococccal cysts develop fever secondary to antigen release.

D. Post-traumatic cysts are usually less than 5 cm in size, allowing differentiation from congenital cysts, which are larger.

3. What is the most common clinical manifestation of a lymphangioma?

A. Skin

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