Posts Tagged ‘invasive lobular carcinoma’

Terminology of Invasive Mammary Carcinoma

Question: Dear Dr. Lawton, I had 2 pathologists look at my surgical pathology. It seems that they both saw the same thing, but disagreed on how to call it. One pathologist called it invasive mammary carcinoma with lobular features, the other called it IDC with single file growth pattern. My single focal tumor showed single [...]

Invasive Lobular vs. Invasive Ductal Carcinoma

Question: What is the difference between invasive lobular and ductal carcinoma? My first biopsy I had at my ultrasound said “invasive lobular carcinoma grade 2/3″ and my surgery biopsy said “invasive ductal carcinoma grade 2/3″. Does this make any difference?

Second Opinion Pathology Talk

I recently gave a talk on second opinions in breast pathology at the 21st Annual Conference of the National Consortium of Breast Centers in Las Vegas. A modified version of that talk is available here as a pdf: Second_Opinion_Pathology The first part of the talk covers some of the data in the literature and the [...]

New Research Data on the Different Subtypes of Invasive Lobular Carcinoma

Invasive lobular carcinoma (ILC) is the second most common type of breast cancer after invasive carcinoma, no special type (NST).  However, there are several subtypes of ILC, with the pleomorphic variant getting a lot of attention because most studies suggest it behaves in a more aggressive manner than typical ILC. Pathologists also recognize other variants [...]

Special Types of Invasive Carcinoma

Most invasive carcinomas of the breast are invasive carcinoma NST (no special type), also called invasive ductal carcinoma. These account for approximately 65-75 % of invasive carcinomas. The remaining invasive carcinomas are referred to as “special type.” The most common among the special types is invasive lobular carcinoma which is the second most common type [...]