Intraventricular fetu in fetu

 Intraventricular fetu in fetu is a very rare condition where a small, malformed fetus is found inside the body of another fetus. It is a type of teratoma, which is a tumor that contains tissue from different types of organs and tissues.

Intraventricular fetu in fetu occurs when a developing fetus incorporates a twin or a sibling into its own body during early stages of embryonic development. The incorporated tissue then develops into a miniature version of a fetus with different organs and tissues, but lacking the ability to survive independently.

The condition is usually diagnosed during prenatal ultrasound or after birth when imaging tests are performed to investigate unusual growths or masses in the body. Treatment typically involves surgical removal of the mass, which can be challenging due to its location in the ventricle of the heart.

Overall, intraventricular fetu in fetu is an extremely rare condition with only a handful of cases reported in medical literature. It is important for healthcare professionals to be aware of this condition and to consider it as a potential diagnosis in cases of unusual masses or growths in fetuses or newborns.