Objective:

This study aimed to investigate the ultrasonographic features of solid papillary carcinoma (SPC) of the breast.

Methods:

A retrospective analysis was made by collecting the ultrasonographic findings of 23 cases of SPC and 45 cases of invasive ductal carcinoma (IDC)

meanwhile

the sonographic features of SPC were compared and analyzed.

Results:

The average age of onset was higher in the patients with SPC than those with IDC (

P

0.05). Furthermore

there were statistical differences in the comparison of growth orientation

shape

boundaries

margins

posterior acoustic features

blood supply

and resistance index between SPC and IDC (

P

0.05). In relative to IDC

SPC showed evident sonographic f

eatures of more clear boundaries

parallel growth

microlobulated at the edge of the lesion

enhanced posterior echoes

abundant blood supply and higher resistance index. In addition

no obviously statistical difference was found in calcification and lymph node metastasis rate between them (

P

0.05).

Conclusion:

The sonographic features of SPC of the breast have certain characteristics

which are significantly different from those of common malignant tumors of the breast.