Breast haemangioma

Case contributed by Dr Alexandra Stanislavsky

Presentation

Routine screening mammogram. Asymptomatic.

Patient Data

Age: 55
Gender: Female
Mammography

There is dense fibroglandular tissue throughout both breasts. A bilobed circumscribed mass is present in the inferior central right breast. 

Mammography

Previous mammogram, 2 years prior.

Comparison with the prior right breast mammogram from the previous screening round indicates that there has been interval increase in size of the inferior breast mass. 

Ultrasound

There is a subtle, near iso-echoic circumscribed mass in the right breast 6o'c 3cm FN, without internal flow on Doppler assessment.

This corresponds to the mammographic lesion shown above.

 

Mammography

Magnified view better displays the mammographic lesion.

US guided core biopsy pathology report:

Richly vascularised lesion, 4mm across, circumscribed edges. Variably sized crowded capillary vesses and cavernuos vascular spaces are seen, in part with intraluminal RBCs and occasional mononuclear leucocytes. The intervening stroma is minimally edematous and fibrous. There is no solid endothelial proliferation, necrosis or pseudopapillary hyperplasia. 

There is no complex infiltrative pattern, cytological atypia or mitotic activity.

Comment:

The sharp circumscription and lack of atypical features favours a benign haemangioma. 

The possibility of angiosarcoma should be considered with any vascular lesion of the breast, requiring clinical and radiological correlation.

Case Discussion

The mammographic mass has a circumscribed margin, most suggestive of a cyst. However, it has increased in size since the prior study and there are no other visible circumscribed masses in either breast (ie appearance does not fit the "multiple bilateral masses" category1,2) - hence prompting further assessment.

At ultrasound, it was subtle, near isoechoic and superficial.

Both the mammogram and ultrasound appearances are compatible with a haemangioma, however given the relative infrequency of this diagnosis, other differentials would generally be considered first.

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Case information

rID: 43215
Case created: 29th Feb 2016
Last edited: 26th Jun 2016
System: Breast
Inclusion in quiz mode: Included

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