What is the Difference Between Hydatidiform Mole and Choriocarcinoma?
🆚 Go to Comparative Table 🆚Hydatidiform mole and choriocarcinoma are both types of gestational trophoblastic disease (GTD), which are rare tumors that develop during pregnancy. They are related but have significant differences:
Hydatidiform Mole:
- A hydatidiform mole is typically a benign, treatable condition that arises after the sperm and egg join and do not develop into a fetus. Instead, tissue that resembles grape-like cysts forms.
- There are two types of hydatidiform moles: partial molar pregnancy and complete molar pregnancy.
- A hydatidiform mole may be complete or partial. In a complete hydatidiform mole, there is a total loss of the mother's genetic material. In a partial hydatidiform mole, a normal egg is fertilized by two sperm, resulting in a mixture of fetal and abnormal trophoblast tissue.
- Partial hydatidiform moles rarely become cancerous, but about one in five complete hydatidiform moles do.
Choriocarcinoma:
- Choriocarcinoma is a malignant and more aggressive form of GTD that spreads into the muscle wall of the uterus.
- It usually develops following a hydatidiform mole, but sometimes it develops after a miscarriage, an elective abortion, a tubal pregnancy, or a normal pregnancy.
- Choriocarcinomas can spread more widely to other parts of the body such as the lungs, liver, and brain.
- All choriocarcinomas, placental-site trophoblastic tumors (PSTTs), and epithelioid trophoblastic tumors (ETTs) are considered cancerous.
In summary, a hydatidiform mole is typically a benign, treatable condition, while a choriocarcinoma is a malignant and more aggressive form of gestational trophoblastic disease. Both are related to abnormal growth of trophoblast tissue during pregnancy but have different levels of aggressiveness and potential for cancer.
Comparative Table: Hydatidiform Mole vs Choriocarcinoma
Here is a table comparing the differences between hydatidiform mole and choriocarcinoma:
Feature | Hydatidiform Mole | Choriocarcinoma |
---|---|---|
Definition | A benign form of gestational trophoblastic disease | A very aggressive form of gestational trophoblastic disease |
Development | Occurs in approximately 1 in 1,500 pregnancies | Develops from a hydatidiform mole or after an abortion, tubal pregnancy, or normal pregnancy |
Malignancy | Non-cancerous | Cancerous and aggressive, can spread to other parts of the body |
Treatment | Dilation and curettage (D&C) with suction | Chemotherapy, radiation, hysterectomy (removal of the uterus) |
Risk of Persisting | There is a chance that it can persist after removal and spread | Less likely to persist after removal compared to choriocarcinoma |
Both hydatidiform mole and choriocarcinoma are types of gestational trophoblastic disease, which are rare tumors that usually occur during pregnancy.
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