Complete mole has a diploid DNA content — 46 XX, less often 46 XY complete mole is a result of pathologic fertilization.
There are 2 known pathways:
All genetic information is paternal in origin.
An enlarged uterus is filled with voluminous grape — like mass. These grape — like vesicles are in fact swollen chorionic villi.
No fetus is present.
Typical histologic features are found in the 2nd trimester:
Histologic features are subtle in the 1st trimester, which makes the diagnosis more difficult (so called early complete mole).
Mola hydatidosa completa:
Mola hydatidosa completa, HE 40x (74151)
Mola completa, HE 40x (74136)
Mola completa, HE 40x (74137)
Mola hydatidosa completa:
Mola hydatidosa, HE 40x (71019)
Mola hydatidosa, HE 40x (71020)
Mola hydatidosa, HE 40x (71021)