The most frequently occurring malignant type calcifications on the mammogram
Overview of Carcinoma in situ (CIS) of the breast:
1) CIS is a heterogeneous disease
2) An understanding of the underlying pathologic process leading to the development of the microcalcifications is the best way to interpret the mammographic findings.
3) Features of Group 1A crushed stone-like calcifications are:
a) One or two clusters
b) Histopathology parallels the mammographic finding ("you get what you see")
c) Excellent long-term outcome
Practicing Group 1A cases. Pitfalls of short-term follow-up.