Two mass lesions in the left breast
Updates to Case Attributes
The case shows that not seeing a lesion on one modality while it is visible on another, is not a diagnosis. This case shows the incorrect use of Birads IIIBI-RADS 3, which is always supposed to be most likely benign. Workup was incomplete after the first lesion was managed.
Low volume breast readers or those with low levels of experience should most likely use aa second opinion from an experienced senologist before using Birads IIIBI-RADS 3.
-<p>The case shows that not seeing a lesion on one modality while it is visible on another, is not a diagnosis. This case shows the incorrect use of Birads III which is always supposed to most likely benign. Workup was incomplete after the first lesion was managed.</p><p>Low volume breast readers or those with low levels of experience should most likely use a second opinion from an experienced senologist before using Birads III.</p>- +<p>The case shows that not seeing a lesion on one modality while it is visible on another, is not a diagnosis. This case shows the incorrect use of BI-RADS 3, which is always supposed to be most likely benign. Workup was incomplete after the first lesion was managed.</p><p>Low volume breast readers or those with low levels of experience should most likely use a second opinion from an experienced senologist before using BI-RADS 3.</p>
Updates to Study Attributes
Ultrasound of the larger, superior lesion in the left breast as indicated at 2 o'clock: This lesion is solid, mixed density and and ultrasound guided needle biopsy shows an atypical fibroepithelial lesion and surgical excision followed. The second lesion was not found on ultrasound and the recommendation was that a follow up ultrasound be done in 6 months. TheThe case was classified Birads IIIBI-RADS 3. Are you satisfied?
The case should have been called BiradsBI-RADS 0 and further workup should have been done to identify and sample (if appropriate) the lesion not seen on initial ultrasound. This is inappropriate use of BiradsBI-RADS III. In fact there is no diagnosis at all of the second lesion. Management options at this stage would depend on resources at your disposal and where you work. MRI would be helpful and even second look ultrasound after MRI. If all else fails and you have no resources you should localize this lesion under mammographic guidance andand have it removed. The teaching point is that extra imaging should have been done at this stage.
Image Ultrasound (left breast transverse 2 o'clock) ( update )
Updates to Study Attributes
Six months after the case was called BI-RADS 3, the patient returns for mammogram and ultrasound of the left breast. Note the post surgical scarring related tot the surgical removal of the fibroepithelial lesion. As in most post surgical scars, it is virtually indistinguishable from the scirrous reaction of an infiltrating ductal carcinoma (IDC)
The second lesion deep inferiorly in the breast has now enlarged and has subtle lobulations of the surface.
Image Mammography ( update )
Updates to Study Attributes
The appearanceUltrasound of the enlarging lesion at 5 o'clock left breast is now quite alarming on ultrasoundin appearance and typical of an infiltrating ductal carcinoma, which was confirmed on needle biopsy.
Image Ultrasound (Left breast transverse 5 o'clock) ( update )
