Table is card and pk = 5852 Result =
Submode=
Breast oil cyst, MedPix™ : 5852 - Medical Image Database and Atlas
Welcome! It's Saturday, August 02, 2014 :: :: :: RSS COW feed ::
| | | | | | | | | :: compass
Search for :: :: :: Open-Close Option Buttons

Location and Category

Location:
More Like This ? Breast and Mammography
Sublocation:
none selected
Category:
More Like This ? Cyst, benign
Click for Similar Topics: Click on the Location, Sublocation, or Category Links - (above)

TOPIC and DISCUSSION :: Slide Sorter - Image Thumbnails :: Print Topic ::
::

More Like This ? Breast oil cyst
Topic 5852 - Created: 2004-07-31 19:22:08-04 - Modified: 2004-08-06 17:56:52-04

Oil cysts of the breast are relatively common benign masses. Oil cysts may present as a nontender, palpable breast lump or may present as an incidental finding on mammogram, breast ultrasound, or MRI. Oil cysts are benign lesions that usually require no intervention, unless the cyst is symptomatic or causes anxiety for the patient. The etiology of oil cysts is felt to be most often an end-form of liquefaction fat necrosis of the breast resulting from trauma or surgery. However, some oil cysts arise independently, without a prior history of trauma or surgery. Mammographically, oil cysts typically appear as well defined, round or ovoid lucent (same density as breast fat) masses, often with a thin calcified rim ("eggshell calcification") [1]

Sonographically oil cysts may present in a variety of ways. Harvey et al [2] performed a sonographic study of 26 oil cysts in 15 patients. Most cysts were hypoechoic or anechoic with a variable degree of posterior enhancement or shadowing. Sometimes oil cysts mimicked intracystic neoplasms and ultrasound could not always characterize the masses as benign. The classic sonographic characteristics of an oil cyst is an ovoid anechoic mass with a thin capsule and slight posterior acoustic enhancement. If the mammographic findings suggest a lucent fat containing mass with a thin calcified rim and ultrasound demonstrates an anechoic cystic mass, those findings are essentially confirmatory of an oil cyst. An intramammary lipoma may have a similar mammographic appearance, but typically lacks the eggshell calcification and is typically hypoechoic, not anechoic, on ultrasound [1]. Differentiating a lipoma from an oil cyst, is usually not clinically important, as both are benign "don't touch" lesions.

If the mammographic or ultrasound findings are equivocal, MRI can provide further useful information and determine if the mass is fat containing and non-enhancing. The MRI findings of a lipoma or an oil cyst will be similar. Both will be well- circumscribed, nonenhancing masses with characteristic fat signal contents(bright on T1, iso to fat on T2, with signal dropout on T1 fat-sat sequences.)

Contributor Credits

Topic Submitted by: Joseph B. Sutcliffe - Author Info
Affiliation: Brooke Army Medical Center
Topic approved by: Claudia E Galbo - Editor Info
Affiliation: Uniformed Services University

MedPix® is a Registered Trademark of USUHS
The MedPix™ Database Engine is Patented - USPTO No. 7,080,098
Portions of MedPix™ are Copyright © 1999 - 2014 by J.G. Smirniotopoulos, M.D. & H. Irvine, M.D.
The MedPix™ Classification Schema Copyright © 1999 - 2014 by J.G.Smirniotopoulos,M.D.
MedPix™ has displayed more than   1,133,376,121   pages since 3 September 2000.
::

master.php3 :: find me

- Case Tools | | - More Options
... Google Analytics Active ...