Imaging findings of primary well-differentiated liposarcoma of the liver: a case report

Kim, Jong Lim; Woo, Ji Young; Lee, Min Jin; Kim, Kyung Rae; Jung, Jinhong; Lee, Nam Ju; Choi, Sang Hee; Kim, Hong Dae; Yang, Ik; Chung, Soo Young

doi:10.1080/02841850701630334

Cited by 12 publications

(13 citation statements)

References 12 publications

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“…A few MRI findings of hepatic UES have been described [4,25,52,53]. Typical MRI findings of hepatic UES are a discordant cystic appearance due to the high water content of the myxoid stroma, large portions of which are hypointense on T1-weighted images, and high signal intensity on T2-weighted images.…”

Section: Undifferentiated Embryonal Sarcomasmentioning

confidence: 96%

“…Only two cases of hepatic liposarcoma on MR imaging have been discribed in the previous English literature [25,26]. MR images show an almost fatty, lobulated mass with a few, random distributed vascular structures and a small area of nodular enhancement.…”

Section: Liposarcomamentioning

confidence: 97%

“…Only few radiological findings of hepatic liposarcoma have been described [25][26][27][28]. Well-differentiated liposarcoma of liver frequently demonstrates a diagnostic appearance on CT, with a largely lipomatous mass and nonlipomatous components in thick septa [25] (Fig.…”

Section: Liposarcomamentioning

confidence: 98%

“…Well-differentiated liposarcoma of liver frequently demonstrates a diagnostic appearance on CT, with a largely lipomatous mass and nonlipomatous components in thick septa [25] (Fig. 4).…”

Section: Liposarcomamentioning

confidence: 98%

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Primary hepatic sarcomas: CT findings

Chen

Jiang

et al. 2008

Eur Radiol

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Primary hepatic sarcomas are rare tumors that are difficult to diagnose clinically. Different primary hepatic sarcomas may have different clinical, morphologic, and radiological features. In this pictorial review, we summarized computed tomography (CT) findings of some relatively common types of hepatic sarcomas, including angiosarcoma, epithelioid hemangioendothelioma (EHE), liposarcoma, undifferentiated embryonal sarcoma (UES), leiomyosarcoma, malignant fibrous histiocytoma (MFH), and carcinosarcoma (including cystadenocarcinosarcoma). To our knowledge, hepatic cystadenocarcinosarcoma has not been described in the English literature. The CT findings in our case are similar to that of cystadenocarcinoma, a huge, multilocular cystic mass with a large mural nodule and solid portion. The advent of CT has allowed earlier detection of primary hepatic sarcomas as well as more accurate diagnosis and characterization. In addition, we briefly discuss the MRI findings and diagnostic value of primary hepatic sarcomas.

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Section: Undifferentiated Embryonal Sarcomasmentioning

confidence: 96%

Section: Liposarcomamentioning

confidence: 97%

Section: Liposarcomamentioning

confidence: 98%

“…Well-differentiated liposarcoma of liver frequently demonstrates a diagnostic appearance on CT, with a largely lipomatous mass and nonlipomatous components in thick septa [25] (Fig. 4).…”

Section: Liposarcomamentioning

confidence: 98%

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Primary hepatic sarcomas: CT findings

Chen

Jiang

et al. 2008

Eur Radiol

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“…[ 4 ] Recently, positron emission tomography (PET)/computed tomography (CT) was confirmed to be capable of differentiating hibernoma from liposarcoma in the thigh. [ 5 ] However, literature regarding PET/CT evaluation of hepatic liposarcoma is still scarce. Furthermore, there is no report about the PET/CT findings of hepatic myxoid liposarcoma.…”

Section: Introductionmentioning

confidence: 99%

Positron emission tomography/computed tomography manifestations of primary hepatic myxoid liposarcoma

2018

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Rationale:Computed tomography (CT) and magnetic resonance imaging (MRI) are conventional used to evaluate liver tumors. Detection of fat component is considered an important clue to the imaging diagnosis of hepatic myxoid liposarcoma. However, the positron emission tomography (PET)/CT report of hepatic myxoid liposarcoma is scarce, and the metabolic characteristics of primary hepatic myxoid liposarcoma are still unknown.Patient Concerns:In this report, we report the PET/CT manifestations of a rare case of primary hepatic myxoid liposarcoma that was confirmed by pathologic examination. A 29-year-old male patient presented with a nodule adjacent to the umbilicus that had been present for 2 weeks. PET/CT showed a hypoattenuating mass with moderate uptake (maximum standardized uptake value [SUVmax] 1.9), except for a slightly hyperattenuating focal area with intense uptake (SUVmax 3.1).Diagnoses:The final pathologic diagnosis was confirmed, by means of laparotomy, to be a primary hepatic myxoid liposarcoma with multiple extrahepatic metastases.Interventions:The lesions in the left liver and periumbilical abdominal wall were punctured. During the laparotomy, hepatic malignant tumors were confirmed and metastasized widely in the abdominal cavity.Outcomes:An abdominal CT performed 4 months after initial presentation showed extensive metastasis.Lessons:Primary hepatic myxoid liposarcoma may manifest as moderate metabolism with less fat on PET/CT. PET/CT is not only valuable in reflecting the round cell component of hepatic myxoid liposarcoma, but also in estimating its origin.

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Lipomatous Tumors, Liposarcoma, Benign Adipocyte-Containing Nonneoplastic Lesions, and Focal Fatty Changes of the Liver

Zimmermann¹

2016

Tumors and Tumor-Like Lesions of the Hepatobiliary Tract

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Imaging findings of primary well-differentiated liposarcoma of the liver: a case report

Cited by 12 publications

References 12 publications

Primary hepatic sarcomas: CT findings

Primary hepatic sarcomas: CT findings

Positron emission tomography/computed tomography manifestations of primary hepatic myxoid liposarcoma

Lipomatous Tumors, Liposarcoma, Benign Adipocyte-Containing Nonneoplastic Lesions, and Focal Fatty Changes of the Liver

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