Description

Fisher et al reported an algorithm for managing a patient with a fatty neoplasm that may be an atypical lipoma. The authors are from Winship Cancer Institute and Emory University.


 

Patient selection: fatty neoplasm and no previous history of sarcoma

 

Parameters for deciding if lesion significant from current study:

(1) age in years

(2) diameter of tumor in cm

(3) early operation at the same site (previous mass at same site) = recurrent lesion

(4) location (extremity vs torso)

 

Parameter

Finding

Hazard Ratio

age in years

< 55 years

1

 

>= 55 years

2.6

diameter of tumor

< 10 cm

1

 

>= 10 cm

16.8

recurrent tumor

no

1

 

yes

5.6

location

torso

1

 

extremity

6.4

 

Additional reasons to suspect that the lesion is significant:

(1) imaging findings are suspicious for neoplasm (nodularity, sepatations, variation in fat composition)

(2) there are other reasons to suspect neoplasm

 

Management factors:

(1) likelihood of significant pathology

(2) comfort with performing an oncologic resection

 

Significant Lesion

Comfort with Oncologic Surgery

Management

no

NA

local resection

yes

no

refer

yes

yes

radical resection

 


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