Prenatal Diagnosis and Outcome of Intrapericardial Teratoma: Report of Two Clinical Scenarios.

Intrapericardial teratoma is a rare tumor composed of tissue from the three germ cell layers with a rapid growth that may cause severe hemodynamic complications due to compressive effects. We present two clinical cases: the first case had severe fetal heart failure with fatal outcome, and the second underwent surgical treatment during the immediate postnatal period with a favorable evolution. Although teratomas are histologically benign tumors, rapid growth can cause serious hemodynamic complications. The importance of prenatal diagnosis is to allow appropriate monitoring of tumor growth and establish a prompt therapeutic plan. Opportune surgical treatment can prevent death and improve the prognosis of these patients.

Use of a screening questionnaire for systemic lupus erythematosus among pregnant women in a Mexican population.

OBJECTIVE: To conduct a diagnostic assessment of pregnant women using a screening questionnaire for SLE. MATERIALS AND METHODS: This was an analytical cross-sectional study carried out at the National Institute of Perinatology between 1 November 2019 and 28 February 2020, using a screening questionnaire for SLE. Antinuclear antibody and anti-double stranded DNA antibody tests and a clinical assessment by a rheumatologist were conducted for participants who obtained ≥4 positive responses on the questionnaire. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the screening questionnaire for SLE were calculated. RESULTS: The questionnaire survey was conducted with 540 pregnant patients, 22 of whom (4.1%) had ≥4 positive responses. An antinuclear antibody test was conducted in all aforementioned 22 patients; 17 (77.3%) showed titres of ≥1:80. Of the 22 patients, 19 (86.4%) underwent clinical assessment by a rheumatologist. The patients were classified according to the SLE classification criteria: 7/19 (36.9%) met the revised 1997 American College Rheumatology (ACR) criteria, 8/19 (42.1%) met the Systemic Lupus International Collaborating Clinics criteria and 7/19 (36.9%) met the 2019 ACR/EULAR criteria (sensitivity=0.86, specificity=0.97, PPV=0.77 and NPV=1 for antinuclear antibody titre of ≥1:80; sensitivity=0.88, specificity=0.98, PPV=0.37 and NPV=1 for SLE according to the 2019 ACR/EULAR criteria). CONCLUSIONS: The questionnaire showed high sensitivity and specificity in the diagnosis of SLE. Given its usability and cost:benefit ratio, this strategy should be used for all patients coming in for their first visit to determine who requires antinuclear antibody testing and who needs to be referred to a rheumatologist.

Cambios morfológicos en las placentas de pacientes con preeclampsia o restricción del crecimiento intrauterino e interpretación de los desenlaces perinatales / Morphological changes in placentas of patients with preeclampsia or intrauterine growth restriction and interpretation of perinatal outcomes

Resumen OBJETIVO: Determinar las diferencias morfológicas macro y microscópicas en las placentas de pacientes con preeclampsia o restricción del crecimiento intrauterino con las de pacientes sanas. MATERIALES Y MÉTODOS: Estudio de casos y controles, retrospectivo, observacional y comparativo. Se revisaron las bases de datos del servicio de Medicina Materno Fetal del Instituto Nacional de Perinatología (INPer) de febrero de 2018 a marzo de 2020 en busca de pacientes con embarazo único y diagnóstico de preeclampsia temprana o restricción del crecimiento temprano y finalización del embarazo en el INPer. El análisis de los datos se llevó a cabo en el programa estadístico SPSS versión 25. Las variables categóricas se compararon entre grupos con χ2 y los resultados se representaron en porcentajes. Para la evaluación estadística analítica se utilizó ANOVA para una muestra independiente para contrastar las asociaciones entre las diversas variables. RESULTADOS: Se incluyeron 52 pacientes que se dividieron en: grupo 1: preeclampsia temprana sin restricción del crecimiento intrauterino (n = 13), grupo 2: preeclampsia y restricción del crecimiento intrauterino temprano (n = 13), grupo 3: restricción del crecimiento intrauterino temprano (n = 13) y grupo 4 (control) pacientes sanas (n = 13). Se demostró una diferencia estadísticamente significativa en el peso de la placenta, con un valor de p < 0.05 pero sin diferencia en el diámetro del cordón umbilical entre los cuatro grupos. CONCLUSIONES: El estudio histopatológico placentario es una oportunidad para obtener información detallada de la base fisiopatológica de la enfermedad y, así, ofrecer una asesoría y seguimiento preciso a la paciente y al neonato.

Abstract OBJECTIVE: To determine the macro and microscopic morphologic differences in placentas of patients with preeclampsia or intrauterine growth restriction with those of healthy patients. MATERIALS AND METHODS: A retrospective, observational and comparative case-control study. The databases of the Maternal Fetal Medicine service of the National Institute of Perinatology (INPer) from February 2018 to March 2020 were reviewed for patients with singleton pregnancy and diagnosis of early preeclampsia or early growth restriction and termination of pregnancy at the INPer. Data analysis was performed in the statistical program SPSS version 25. Categorical variables were compared between groups with χ2 and the results were represented in percentages. For the analytical statistical evaluation, ANOVA for an independent sample was used to contrast the associations between the various variables. RESULTS: Fifty-two patients were included and divided into: group 1: early preeclampsia without intrauterine growth restriction (n = 13), group 2: preeclampsia and early intrauterine growth restriction (n = 13), group 3: early intrauterine growth restriction (n = 13) and group 4 (control) healthy patients (n = 13). A statistically significant difference in placental weight was demonstrated, with a p value < 0.05 but no difference in umbilical cord diameter among the four groups. CONCLUSIONS: Placental histopathologic study is an opportunity to obtain detailed information on the pathophysiologic basis of the disease and thus provide accurate counseling and follow-up to the patient and neonate.