The type of mammary ductal carcinoma in situ (DCIS) most likely to result in a palpable abnormality in the breast is:
A. Apocrine DCIS
B. Neuroendocrine DCIS
C. Well differentiated DCIS
D. Comedo DCIS
Correct answer : D. Comedo DCIS
DCIS usually presents as mammographic calcifications. It can also present as a vague palpable mass especially in comedo DCIS.