Magnetic Resonance Imaging of Vulvar Choriocarcinoma Following Partial Molar Pregnancy: A Case Report
DOI:
https://doi.org/10.59667/sjoranm.v9i1.12Keywords:
Gestational Choriocarcinoma, Vulva, Gestational Trophoblastic Neoplasia (GTN), Magnetic Resonance Imaging (MRI)Abstract
We describe the magnetic resonance imaging (MRI) findings in a 26-year-old woman with a clinical diagnosis of vulvar choriocarcinoma four months after suction evacuation of a histologically confirmed partial molar pregnancy. She presented with menorrhagia and a serum β-human chorionic gonadotropin (β-hCG) level of 30,292 IU/L. Pelvic MRI demonstrated a 3.6 × 2.8 × 2.4 cm right sublabial mass with heterogeneous T2 hyperintensity, hemorrhagic components, flow voids, restricted diffusion and avid enhancement, with non-enhancing areas interpreted as necrosis. The uterus and adnexa appeared normal. Following EMA-CO chemotherapy, β-hCG decreased to 464 IU/L after the first cycle and 0.32 IU/L after the fifth cycle. Follow-up MRI showed no significant residual vulvar lesion, and the patient was reported to be asymptomatic. This case illustrates pretreatment and follow-up MRI findings in clinically diagnosed vulvar choriocarcinoma in the context of an antecedent molar pregnancy.
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