Three-dimensional volumetric study with VOCAL in normal and abnormal posterior fossa fetuses.

Purpose: The aim of this study was to compare volumetric parameters in the abnormal and normal posterior fossa using the Virtual Organ Computer-aided AnaLysis (VOCAL™) technique to determine whether fetuses with an abnormal posterior fossa have different volumes.Methods: A prospective study was conducted on 17 fetuses with an abnormal posterior fossa including, Dandy Walker malformation (DWM) (n = 6), vermian hypoplasia (VH) (n = 3), mega cisterna magna (MCM) (n = 8), and 99 healthy control fetuses from 20 to 34 weeks' gestation. Measurement of the fetal cisterna magna and cerebellar volume was performed in the standard transcerebellar plane through the VOCAL™ method. To establish the correlation of volumes with gestational age, polynomial regression analysis was performed. For comparison between groups, univariate ANCOVA was performed using gestational age as a covariate. The reliability was analyzed by the intraclass correlation coefficient (ICC).Results: Cerebellar volume and cisterna magna volume were correlated with gestational age. Posterior fossa volume was significantly larger in DWM (p < .0001) and MCM (p < .0001) in comparison to the control group. In VH group, cisterna magna volume does not seem to expand (p = .298). Cerebellar volume does not seem to change in subgroups when the influence of gestational age is discarded (p = .09). The ratio of cerebellar volume to the cisterna magna volume decreases significantly in abnormal fetuses (p < .0001). Good intraobserver and interobserver reliabilities were found for both cerebellum and cisterna magna measurements.Conclusions: Volume analysis may have a role in discrimination of different posterior fossa pathologies.

Sonographic identification of klippel-trenaunay-weber syndrome.

Klippel-Trenaunay-Weber syndrome is a rare cutaneous vascular disorder characterized by the presence of multiple hemangiomata, arteriovenous fistulas, and limb hypertrophy. We report the prenatal sonographic findings in a case of Klippel-Trenaunay-Weber (KTW) syndrome including fetal limb hypertrophy and large subcutaneous cystic lesions. Prenatal diagnosis is possible by ultrasound examination and recognition important for prevention of complications and future management.

Malignant struma ovarii: a case report.

We present a case of a 40-yr-old woman diagnosed with a primary malignant struma ovarii. The patient was admitted with the complaint of pelvic pain and a large pelvic mass in the mid-portion of lower abdomen on gynecological examination. Pre-operative tumor markers and routine biochemistry were unremarkable. She was treated with total abdominal hysterectomy and right salpingo-oopherectomy. Post-operatively, she was diagnosed with a malignant struma ovarii through the usage of histopathological criteria similar to the guidelines for primary thyroid gland disease. The patient was subsequently performed left salpingo-oopherectomy and retroperitoneal pelvic lympadenectomy for re-staging. Although, left ovary and lymph nodes were histopathologically normal, she was offered thyroidectomy but she refused to accept the offer. Thyroglobulin level was monitored in the post-operative period. She is free of the disease for 18 months.

Primary malignant melanoma of the cervix: report of a case.

BACKGROUND: To present a case of primary malignant melanoma of the cervix. CASE: The patient was admitted with the complaint of vaginal bleeding. Gynecological examination revealed a dark, papillary mass on the posterior lip of the cervix. Histopathology showed a malignant neoplasm with increased vascularity, indicating the possibility of a primary uterine cervical melanoma. Diagnosis of malignant melanoma was confirmed with immunohistochemistry, which showed diffuse positive reactions for S-100 protein and HBM-45, with no reaction for epithelial markers, namely cytokeratin AE1/AE3 and epithelial membrane antigen. An extensive search for a melanotic lesion in skin and in uveal tract was performed to verify the distinct site of melanoma. The tumor was stage IB1 according to the International Federation of Gynecology and Obstetrics classification.The patient underwent radical Wertheim-Meigs hysterectomy, bilateral salpingo-oopherectomy, and retroperitoneal pelvic lympadenectomy. Radiotherapy or chemotherapy was not performed in the postoperative period. She is now free of the disease 10 months after the operation. CONCLUSION: Primary malignant melanoma of the cervix is a rare cervical malignancy.

Gastric carcinoma diagnosed at the third trimester: a case report.

Gastric carcinoma associated with pregnancy appears to be an extremely rare entity. It is usually diagnosed at advanced stages of the disease and presents a grave prognosis. Since the fatal outcome shows a rapid course within months of diagnosis, prompt gastroduodenal endoscopic examination following early clinical suspicion is mandatory. A case of 29 year-old pregnant woman with 31 weeks of gestation is herein presented. The women was diagnosed as gastric adenocarcinoma while being investigated for intractable nausea, vomiting, and a concomitant epigastric mass. She underwent radical gastric resection and received six cycles of adjuvant chemotherapy following vaginal delivery of a healthy 1950 g fetus. The patient was dead 20 weeks after the surgery due to pulmonary and hepatic metastasis.