CAJ | 학술논문

BACKGROUND:?Undifferentiated? embryonal? sarcoma? (UES)?of?the?liver?is?a?rare,?highly?malignant?neoplasm?with?a?poor?prognosis?occurring?almost?exclusively?in?late?childhood?(6-10?years? of? age).? Only? a? few? cases? have? been? reported? in? adults,?accounting?for?less?than?1%?of?all?primary?liver?neoplasms. <br> METHODS:?A?47-year-old?woman?presented?with?a?palpable?mass?in?the?left?upper?abdomen.?Magnetic?resonance?imaging?revealed? a? 12×10? cm? cystic? mass? with? hemorrhage? in? the?left?lateral?segment?of?the?liver.?The?initial?impression?was?a?hemorrhagic?cystic?tumor?of?the?liver.?The?patient?underwent?a?left?lateral?sectionectomy?of?the?liver.?Histopathology?and?immunohistochemistry?helped?make?a?diagnosis?of?UES. <br> RESULTS:?The? patient? recovered? uneventfully? and? received?systemic?chemotherapy.?Radiologic?examination?for?follow-up?revealed?a?metastatic?lesion?in?the?lumbar?spine?(L5).?She?was?subjected?to?radiotherapy?at?the?lumbar?spine.?She?survived?48?months. <br> CONCLUSION:?Although? hepatic? cyst? as? UES? of? the? liver? is?difficult? to? diagnose? because? of? its? rarity? in? adults? and? lack?of? specific? findings,? it? should? be? considered? in? a? differential?diagnosis.