Polyhydramnios | Radiology Reference Article | Radiopaedia.org
Polyhydramnios refers to a situation where the amniotic fluid volume is more than expected for gestational age. It is generally defined as: amniotic fluid index (AFI) >25 cm, though the cutoff in some centers is being reduced to 24 cm 14. largest fluid pocket depth (maximal vertical pocket) >8 …
Polyhydramnios | Radiology Reference Article - Radiopaedia.org
Polyhydramnios refers to an excessive amount of amniotic fluid during pregnancy.
Oligohydramnios | Radiology Reference Article - Radiopaedia.org
2024年10月7日 · Ultrasound. Several sonographic criteria can be used which include: four quadrants amniotic fluid index (AFI): <5 cm. two diameter pocket method: <1 x 1 cm or <15 cm 2. deepest vertical pocket (DVP) depth: <2 cm.
Hydrops fetalis | Radiology Reference Article - Radiopaedia.org
2024年5月28日 · Ultrasound. Sonographic features can be similar for both immune and non-immune hydrops and include: increased amniotic fluid volumes (i.e. polyhydramnios) increased nuchal translucency (especially 1 st trimester 5) presence of a fetal pleural or pericardial effusion. presence of fetal anemia 16
Fetal biophysical profile | Radiology Reference Article
2023年9月14日 · Fetal biophysical profile score(BPS or BPP) refers to the assessment of four discrete biophysical variables by ultrasound. It is a standard tool in antepartum fetal assessment. It is usually assessed after 28 weeks of gestation.
Congenital pulmonary airway malformation - Radiopaedia.org
2024年8月22日 · Ultrasound CPAM appears as an isolated cystic or solid intrathoracic mass. A solid thoracic mass is usually indicative of a type III CPAM and is typically hyperechoic.
Deepest vertical pocket method | Radiology Reference Article ...
2023年3月4日 · It is performed by assessing a pocket of a maximal depth of amniotic fluid which is free of an umbilical cord and fetal parts. The usually accepted values are: <2 cm: indicative of oligohydramnios. 2-8 cm: normal but should be taken in the context of subjective volume. >8 cm: indicative of polyhydramnios (although some centers, particularly in ...
Polyhydramnios | Radiology Case - Radiopaedia.org
AFI is increased at 29.2 cm (i.e. there is polyhydramnios). Umbilical artery Doppler is normal. Cervix measures 3.6 cm long and the internal os is closed.
Fetal pyelectasis | Radiology Reference Article - Radiopaedia.org
2024年8月21日 · Fetal pyelectasis can be a relatively common finding on antenatal ultrasounds, often detected at the routine 2 nd trimester morphology scan. There is a recognized male predilection. The estimated prevalence is at ~2% of routine second trimester scans 13.
Congenital tracheo-esophageal fistula - Radiopaedia.org
2024年8月20日 · Ultrasound. Antenatal ultrasound may demonstrate polyhydramnios or even in some cases a distended proximal blind-ending esophagus 1. CT. In some instances, CT and virtual bronchoscopy may be of benefit in preoperative planning 4. This is especially the case in patients with long segment atresia who may require a staged operation. Treatment and ...
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