Liposarcoma CT: Difference between revisions

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| style="padding: 5px 5px; background: #4479BA; font-weight: bold; width: 100px; text-align:center" | {{fontcolor|#FFF|Lymph Nodes Around the Tumor }}
| style="padding: 5px 5px; background: #4479BA; font-weight: bold; width: 100px; text-align:center" | {{fontcolor|#FFF|Lymph Nodes Around the Tumor }}
| style="padding: 5px 5px; background: #4479BA; font-weight: bold; width: 100px; text-align:center" | {{fontcolor|#FFF|Calcifications}}
| style="padding: 5px 5px; background: #4479BA; font-weight: bold; width: 100px; text-align:center" | {{fontcolor|#FFF|Calcifications}}
| style="padding: 5px 5px; background: #4479BA; font-weight: bold; width: 100px; text-align:center" | {{fontcolor|#FFF|Necrosis}}
|-
|-
| style="background: #4479BA; font-weight: bold;" | {{fontcolor|#FFF|Atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL)}}
| style="background: #4479BA; font-weight: bold;" | {{fontcolor|#FFF|Atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL)}}
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| style="padding: 5px 5px; background: #F5F5F5;" | ++
| style="padding: 5px 5px; background: #F5F5F5;" | ++
| style="padding: 5px 5px; background: #DCDCDC;" | Few/none
| style="padding: 5px 5px; background: #DCDCDC;" | Few/none
| style="padding: 5px 5px; background: #F5F5F5;" | +
|-
|-
| style="background: #4479BA; font-weight: bold" | {{fontcolor|#FFF|Dedifferentiated liposarcoma (DDL)}}
| style="background: #4479BA; font-weight: bold" | {{fontcolor|#FFF|Dedifferentiated liposarcoma (DDL)}}
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| style="padding: 5px 5px; background: #F5F5F5;" | +++
| style="padding: 5px 5px; background: #F5F5F5;" | +++
| style="padding: 5px 5px; background: #DCDCDC;" | Few/none
| style="padding: 5px 5px; background: #DCDCDC;" | Few/none
| style="padding: 5px 5px; background: #F5F5F5;" | ++
|-
|-
| style="background: #4479BA; font-weight: bold; width: 100px;" | {{fontcolor|#FFF|Myxoid/round cell liposarcoma (ML/RCL)}}
| style="background: #4479BA; font-weight: bold; width: 100px;" | {{fontcolor|#FFF|Myxoid/round cell liposarcoma (ML/RCL)}}
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| style="padding: 5px 5px; background: #DCDCDC;" | 25-50%
| style="padding: 5px 5px; background: #DCDCDC;" | 25-50%
| style="padding: 5px 5px; background: #F5F5F5;" | +
| style="padding: 5px 5px; background: #F5F5F5;" | +
| style="padding: 5px 5px; background: #DCDCDC;" |  
| style="padding: 5px 5px; background: #DCDCDC;" | Common
| style="padding: 5px 5px; background: #F5F5F5;" | +++
|-
|-
| style="background: #4479BA; font-weight: bold" | {{fontcolor|#FFF|Pleomorphic liposarcoma (PL)}}
| style="background: #4479BA; font-weight: bold" | {{fontcolor|#FFF|Pleomorphic liposarcoma (PL)}}
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| style="padding: 5px 5px; background: #F5F5F5;" | +
| style="padding: 5px 5px; background: #F5F5F5;" | +
| style="padding: 5px 5px; background: #DCDCDC;" | Few/none
| style="padding: 5px 5px; background: #DCDCDC;" | Few/none
| style="padding: 5px 5px; background: #F5F5F5;" | +
|-
|-
| style="background: #4479BA; font-weight: bold" | {{fontcolor|#FFF|Mixed-type liposarcoma}}
| style="background: #4479BA; font-weight: bold" | {{fontcolor|#FFF|Mixed-type liposarcoma}}
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| style="padding: 5px 5px; background: #DCDCDC;" | 30-60%
| style="padding: 5px 5px; background: #DCDCDC;" | 30-60%
| style="padding: 5px 5px; background: #F5F5F5;" | ++
| style="padding: 5px 5px; background: #F5F5F5;" | ++
| style="padding: 5px 5px; background: #DCDCDC;" |
| style="padding: 5px 5px; background: #DCDCDC;" | Common
| style="padding: 5px 5px; background: #F5F5F5;" | +
|-  
|-  
| style="padding: 5px 5px; background: #F5F5F5;" colspan=6|<small> Table adapted from CT Manifestations in Histologic Subtypes of Retroperitoneal Liposarcoma<ref>{{Cite journal
| style="padding: 5px 5px; background: #F5F5F5;" colspan=6|<small> Table adapted from CT Manifestations in Histologic Subtypes of Retroperitoneal Liposarcoma<ref>{{Cite journal

Revision as of 18:35, 19 September 2014

Liposarcoma Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Liposarcoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

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Echocardiography and Ultrasound

CT scan

MRI

Other Imaging Findings

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Treatment

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Case #1

Liposarcoma CT On the Web

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American Roentgen Ray Society Images of Liposarcoma CT

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X-rays
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Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Liposarcoma CT

CDC on Liposarcoma CT

Liposarcoma CT in the news

Blogs on Liposarcoma CT

Directions to Hospitals Treating Liposarcoma

Risk calculators and risk factors for Liposarcoma CT

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

CT Scan

  • Imaging findings of liposarcoma are frequently characteristic.
  • Focal or diffuse areas of fat associated with nonlipomatous components are commonly detected on computed tomographic or magnetic resonance images.
  • The appearance and morphologic relationship between these areas frequently allow identification of the specific histologic subtype of liposarcoma.
Subtypes Density Margins Fat Content Lymph Nodes Around the Tumor Calcifications Necrosis
Atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL) Fat Smooth regular > 65% ++ Few/none +
Dedifferentiated liposarcoma (DDL) Mixed Rough irregular 30-60% +++ Few/none ++
Myxoid/round cell liposarcoma (ML/RCL) Mixed Rough irregular 25-50% + Common +++
Pleomorphic liposarcoma (PL) Soft tissue Incomplete irregular 6-25% + Few/none +
Mixed-type liposarcoma Mixed Smooth regular 30-60% ++ Common +
Table adapted from CT Manifestations in Histologic Subtypes of Retroperitoneal Liposarcoma[1]



References

  1. Jing Lu, Qin Qin, Liang-Liang Zhan, Xi Yang, Qing Xu, Jing Yu, Li-Na Dou, Hao Zhang, Yan Yang, Xiao-Chen Chen, Yue-Hua Yang, Hong-Yan Cheng & Xin-Chen Sun (2014). "Computed tomography manifestations of histologic subtypes of retroperitoneal liposarcoma". Asian Pacific journal of cancer prevention : APJCP. 15 (15): 6041–6046. PMID 25124571.


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