33 Special Types of Invasive Breast Carcinoma: Diagnostic Criteria ...

American Soiety of Clinical Pathology 2011
Special Types of Invasive Breast Carcinoma: Diagnostic Criteria with
Prognostic and Therapeutic Significance
Noel Weidner, MD, Farnaz Hasteh, MD
Oct 21, 2011 10:00 AM - 11:50 AM
Introduction and basal-like and triple-negative breast cancers Noel Weidner, MD
Case 1: Noel Weidner, MD
Hisory: A 65 y/o female with 2.5 cm ill-defined left breast mass with firm, tan cut
surfaces.
Submitted diagnosis: Invasive lobular carcinoma
Case 2: Noel Weidner, MD
History: 60 y/o male with 3.1 cm partially cystic right breast mass with soft, tan cut
surfaces.
Submitted Case Diagnosis: Intracystic papillary carcinoma
Case 3: Farnaz Hasteh, MD
History: A 73 y/o female with history of breast mass found by mammogram
underwent percutaneous ultrasound-guided core biopsy of the left breast mass.
Submitted diagnosis: Invasive tubular carcinoma (well-differentiated invasive breast
carcinoma, overall mBR grade 1; nuclear grade 1, tubular grade 1, mitotic grade)
Case 4: Farnaz Hasteh, MD
History: 57 y/o female with palpable breast mass. Patient was participating in the
breast cancer awareness month function when she examined her own breasts and
noticed the left breast mass. Mammogram found 2 cm suspicious mass at 5 o'clock
position of the left breast.
Submitted diagnosis: Invasive mucinous carcinoma,“pure” (well-differentiated
invasive breast carcinoma, overall mBR grade 1; nuclear grade 1, tubular grade “1",
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