This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Villous pattern is lost in 
Select and explain. 
A. Hydatidiform mole, B. Invasive mole, C. Tubal mole, D. Choriocarcinoma
D: Choriocarcinoma
Answer: D: Choriocarcinoma 
Explanation: Choriocarcinoma : On histopathology , it is composed of cells of early cytotrophoblast and synctiotrophoblast There are no villi Has ability to metastatic Most common mode of spread is hematogenous Ref: Dutta Obs 9e pg 187.