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Objectiveto describe the normal features of the caudo‐thalamic groove at antenatal brain ultrasound in a group of structurally normal fetuses at third trimester and to report a small series of cases with abnormal appearance of the caudothalamic groove at antenatal brain ultrasound.MethodsThis was an observational study conducted at two referral Fetal Medicine units. A non‐consecutive cohort of pregnant women with a singleton non anomalous pregnancy were prospectively recruited and underwent 3D ultrasound of the fetal brain at 28‐32 weeks. At offline analysis the ultrasound volumes were adjusted in the multiplanar mode according to a standardized methodology, until the caudothalamic groove was visible on the parasagittal plane. To evaluate the inter‐observer agreement, two operators were independently asked to indicate if the caudothalamic groove was visible unilaterally or bilaterally on each volume. The digital archives of the two Centres were also retrospectively searched to retrieve cases with abnormal findings at the level of the caudothalamic groove at antenatal brain ultrasound which were postnatally confirmed.Results180 non‐consecutive cases fulfilling the inclusion criteria were prospectively included. At offline analysis of the 3D US volumes the caudo‐thalamic groove was identified on the parasagittal plane by both operators at least unilaterally in 176 cases (97.8%) and bilaterally in 174 cases (96.6%). The K‐coefficient for the agreement between the two independent operators in recognizing the caudo‐thalamic groove was 0.89 and 0.83 on one and both hemispheres respectively. At the retrospective search of our archives 5 cases with abnormal appearance of the groove at antenatal brain ultrasound (2 haemorrhage and 3 cyst) were found.ConclusionOur study has demonstrated that the caudo‐thalamic groove is consistently seen among normal fetuses at third trimester submitted to multiplanar neurosonography and that abnormal findings at this level may be antenatally detected.This article is protected by copyright. All rights reserved.
Objectiveto describe the normal features of the caudo‐thalamic groove at antenatal brain ultrasound in a group of structurally normal fetuses at third trimester and to report a small series of cases with abnormal appearance of the caudothalamic groove at antenatal brain ultrasound.MethodsThis was an observational study conducted at two referral Fetal Medicine units. A non‐consecutive cohort of pregnant women with a singleton non anomalous pregnancy were prospectively recruited and underwent 3D ultrasound of the fetal brain at 28‐32 weeks. At offline analysis the ultrasound volumes were adjusted in the multiplanar mode according to a standardized methodology, until the caudothalamic groove was visible on the parasagittal plane. To evaluate the inter‐observer agreement, two operators were independently asked to indicate if the caudothalamic groove was visible unilaterally or bilaterally on each volume. The digital archives of the two Centres were also retrospectively searched to retrieve cases with abnormal findings at the level of the caudothalamic groove at antenatal brain ultrasound which were postnatally confirmed.Results180 non‐consecutive cases fulfilling the inclusion criteria were prospectively included. At offline analysis of the 3D US volumes the caudo‐thalamic groove was identified on the parasagittal plane by both operators at least unilaterally in 176 cases (97.8%) and bilaterally in 174 cases (96.6%). The K‐coefficient for the agreement between the two independent operators in recognizing the caudo‐thalamic groove was 0.89 and 0.83 on one and both hemispheres respectively. At the retrospective search of our archives 5 cases with abnormal appearance of the groove at antenatal brain ultrasound (2 haemorrhage and 3 cyst) were found.ConclusionOur study has demonstrated that the caudo‐thalamic groove is consistently seen among normal fetuses at third trimester submitted to multiplanar neurosonography and that abnormal findings at this level may be antenatally detected.This article is protected by copyright. All rights reserved.
Мета дослідження – враховуючи те, що симптоматична неврогенна кривошия та сколіоз у новонародженого трапляються не часто, вважаємо за потрібне поділитися нашим клінічним спостереженням з метою своєчасної діагностики та адекватної терапії цього захворювання. Матеріали та методи. Під спостереженням перебувала дівчинка протягом 6 місяців з моменту народження. Базовим методом обстеження шлуночків головного мозку була нейросонографія, яку здійснювали в процесі лікування у віці 1, 2, 3, 6 місяців. УЗД органів черевної порожнини виконували за допомогою УЗД-апарата “MEDISON” SA-8000 EX. Результати дослідження та їх обговорення. У статті описано рідкісний випадок неврогенної кривошиї та неструктурованого сколіозу в новонародженої дитини на тлі ішемії головного мозку внаслідок обвивання шиї дитини пуповиною та субепіндимальної кісти переднього рога правого бокового шлуночка. Моніторинг кісти правого шлуночка в динаміці показав поступове її зменшення. Повторна нейросонографія головного мозку у віці 2 місяці (діаметр кісти – 2,5 мм) та у 3 місяці (діаметр кісти – 1,8 мм) показала поступовий її регрес. У наступні етапи розвитку дитина не відрізнялися від норми. Кривошия зникла, кіста розсмокталася (вік – 6 місяців). Висновок. Гіпоксичне ураження головного мозку, кіста переднього рога правого бокового шлуночка в новонародженої дитини зумовили дисбаланс вегетативних центрів, розлади іннервації скелетної мускулатури центрального генезу, що клінічно проявилося симптоматичною кривошиєю, неструктурованим тотальним сколіозом, дефіцитом маси тіла дитини – гіпотрофією.
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