The client discovered a stone-hard lump during breast self-examination (BSE) that has been determined to be confined to the lobular unit without permeating the basement membrane. Reinforcing the physician's explanation, the nurse would clarify that this type of tumor is
A) intraductal carcinoma.
B) infiltrating ductal carcinoma.
C) lobular carcinoma in situ.
D) tubular carcinoma.

Question

Quizplus · Accepted Answer

Malignant-appearing cells confined to the ductal or lobular units without permeating the basement membrane are considered to represent carcinoma in situ. Lobular carcinoma in situ is a solid proliferation of atypical cells expanding lobular units. Lobular carcinoma is a type of ductal carcinoma as is tubular.

The Client Discovered a Stone-Hard Lump During Breast Self-Examination (BSE)