Gestational Trophoblastic Disease Flashcards
Gestational Trophoblastic Disease
Benign chromosomal numbers
1. Partial
2. Complete
Partial 69XXY
Complete 46XX
GTD Malignant types
Choricocarcinoma
Invasive Mole
PSTT
ETT
GOD incidence
1/714 live birth
GTD complete Mole key info
Diploid of single sperm
Empty ovum
No evidence of fetal tissue
75-80% duplicate single sperm
20-25% dis sperm
46XX
More chance of choriocarcinoma
GTD partial Mole key info
Normal haploid egg fertilized >2 sperms
90% Tripploid
10% Tetraploid
All are dispermic fertilization
Has Fetal tissue and Fetal RBC
69XXY
Choriocarcinoma incidence rate
1/50,000 pregnancies
Incidence after TOP with GTD
1/20,000
GTD most common symptom
Vaginal bleeding
Classic GTD symptoms
Irregular pv bleeding
Hypermesis
Excessive uterine enlargement
Early failed pregnancy
GTD pre evauction diagnosis
TVS
GTD best/ gold standard or definitive diagnosis
Histopathology
Investigation prognostic for GTD
BHCG
Difference b/w partial and Complete by
Immunohistochemistry p57
P57 +ve in
Partial Mole
Method of choice for removal of complete Molar pregnancy
Ultrasound guided Suction curettage - 2020 Guidelines