Chorioangioma is the most common type of placental tumor. A primigravida woman was noted on routine scan at 21 weeks of gestation to have a placental mass measuring 1.8 x 2.2cm. A detailed ultrasound scan revealed a well circumscribed, hypoechoic lesion protruding into the amniotic cavity; hence a preliminary diagnosis of placental chorioangioma was made and close prenatal surveillance was scheduled. At 34 weeks of gestation, the mass was measuring 6.27 x 5.38cm. The patient experienced reduced fetal movements at 37 weeks gestation. A small-for-gestational age but normal female neonate was delivered by caesarean section. Histopathological analysis of the placenta confirmed the diagnosis. According to our case, a giant placental chorioangioma may have a favorable outcome without any medical intervention.

Ovarian torsion is caused by rotation of the ovary or adnexa with the vascular pedicle on its axis resulting in arterial and venous obstruction. Here we report a case of a pregnant woman presented to the emergency department in early second trimester with acute abdomen. History revealed the presence of an ovarian mass detected by ultrasonography 6 months before pregnancy. Sonographic examination showed right adnexal mass with abnormal Doppler velocimetry and thus immediate laparotomy was decided. Right salpingo-oophorectomy was performed and post-operative course of the patient was uneventful. According to this case, adnexal torsion should not be eliminated from differential diagnosis when it comes to pregnant women with acute abdomen.

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Glycogen storage disease Type IV is a rare hereditary autosomal recessive disorder caused by deficient enzymatic activity of glycogen branching enzyme (GBE) which is encoded by GBE1 gene. We hereby report the case of a 32-year-old woman presented with a first-trimester miscarriage. The histologic findings of the placental tissue included intracytoplasmic inclusion vacuoles suggested GSD‐IV. The diagnosis was confirmed by the genetic analysis of the parents, in which mother was found to be carrier of a GBE1 mutation. This variable disorder can be diagnosed by histopathology of the placenta but for its confirmation and prevention in subsequent pregnancies, genetic analysis is needed.

The Dandy-Walker malformation is a rare congenital intracranial malformation that comprises of complete or partial agenesis of the cerebellar vermis, cystic dilatation of the 4th ventricle and an enlarged posterior fossa. Here we report a case of Dandy-Walker malformation detected incidentally during a routine fetal sonographic examination at 18 weeks of gestation. The couple decided termination of pregnancy, after adequate genetic counseling. Detailed postmortem examination revealed correlation between prenatal sonographic imaging and histopathological findings. This case report indicates the fact that fetal magnetic resonance imaging may not be necessary in diagnosis, especially when pregnancy termination is preferred.