A 55 Y/O woman with lower abdominal pain

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Doctor's Information

Name : Seyed Amir Hossien
Family : Jafarisepehr
Affiliation :Radiology department of sina hospital
Academic Degree : Assistant professor
Email : This email address is being protected from spambots. You need JavaScript enabled to view it.
Resident : Reza Hanifehpour

Case Section

Genital Female Imaging

Patient's Information

Gender : Female
Age : 55

Clinical Summary

A 55 Y/O woman with lower abdominal pain

Imaging Findings

Well defined non enhancing fat density mass in anterior wall of corpus of uterus with mass effect at bladder measuring 44*26*22mm in favor of Uterine lipoma is seen.

Differential Diagnosis

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Final Diagnosis

Uterine lipoma

Discussion (Related Text)

A lipoma is a benign tumor composed of encapsulated adipose tissue, interspersed by thin septa of fibrous tissue.They are generally classified as either pure or mixed lipomas,depending on the presence or absence of muscle and fibrous tissue. Most uterine lipomas are found in postmenopausal women between the ages of 50 and 70 years. They often present with symptoms similar to uterine fibroids including chronic pelvic discomfort, heaviness, or pressure. Approximately 50%have associated uterine bleeding. Many, however, are asymptomatic. Most ,approximately 88%, arise in either the anterior or posterior walls of the uterine corpus, and most)approximately 60%) are intramural. The remainders are divided equally between a submucosal and subserosal location. Many uterine lipomas are found in association with uterine leiomyomas.These tumors are usually round or oval in configuration and are pale yellow when pure. They generally measure 5-10 cm in diameter. A thin, fibrous capsule may be present. Sonographically ,the highly echogenic central region corresponds to the fatty tissue with the hypoechoic rim thought to correspond to the myometrium incorporated into the growing tumor. Because of the fatty nature of the tumor, CT can be diagnostic when the tumor’s location within the uterus is apparent. Those mixed lesions with predominantly Ieiomyomatous elements may appear identical to uterine fibroids.

References

Jill E. Jacobs et al," CT Diagnosis of Uterine Lipoma" AJR 150:1335-1336, June 1988