Patients with blastic plasmacytoid dendritic cell neoplasm in pregnancy: A rare case report.

RATIONALE: Previous clinical reports of patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN) in pregnancy are rare.

PATIENT CONCERNS: The present study presents the case of 37-year-old women exhibiting third trimester with progressive painless, abdominal skin nodules.

INTERVENTIONS AND OUTCOMES: A 37-year-old pregnant woman with BPDCN and partial placenta previa and racket-shaped placenta. After comprehensive evaluation, the pregnancy status ends at 37 weeks and 6 days by cesarean section of lower uterus and no abnormality in the newborn.

LESSONS: Pregnant women diagnosed with BPDCN in the third trimester should terminate the pregnancy promptly for further treatment.