1,821 results found
Article
Choriocarcinoma
Choriocarcinoma is an aggressive, highly vascular tumor. When it is associated with gestation, it is often considered part of the spectrum of gestational trophoblastic disease; it is then termed gestational choriocarcinoma. When it occurs in the absence of preceding gestation, it is termed non-g...
Case
Acute bacterial pyleonephritis on MRI: value of DWI
![](https://prod-images-static.radiopaedia.org/images/15614541/c7d0f08181e319694579c0928d9366_thumb.jpeg)
Published
01 Sep 2015
92% complete
MRI
Article
Rothmund-Thomson syndrome
Rothmund-Thomson syndrome (RTS) is an extremely rare autosomal recessive disorder with heterogeneous clinical features.
Clinical presentation
It is characterized by many features which include:
poikiloderma: characteristic rash, typically develops in infancy
sparse hair, eyelashes, and/or ey...
Case
Anophthalmia
![](https://prod-images-static.radiopaedia.org/images/5652768/07a8161a19e41b5d63fab99127c695_thumb.jpeg)
Published
20 Jan 2014
85% complete
Ultrasound
Case
Echogenic intracardiac focus
![](https://prod-images-static.radiopaedia.org/images/914077/716cb8b7e4f120090e93ef95074fca_thumb.jpg)
Published
10 May 2011
85% complete
Ultrasound
Article
Cloverleaf skull (craniosynostosis)
Cloverleaf skull, also known as kleeblattschädel syndrome or deformity, refers to a type of severe craniosynostosis that gives the skull a cloverleaf shape. It is very rare, with less than 130 case reports globally. It typically results from intrauterine premature closure of the sagittal, corona...
Case
Gastroschisis
![](https://prod-images-static.radiopaedia.org/images/51972394/a8c6795dee8887979bc01e9cfd5987_thumb.jpeg)
Published
02 Feb 2020
97% complete
Ultrasound
Article
Braxton Hicks contractions
Braxton Hicks contractions, also known as practice contractions or false labor, are physiological contractions of myometrium that occur in pregnancy. They are often sporadic and start by ~6 weeks.
Radiographic features
Antenatal ultrasound
It may be seen as a transient change in myometrial th...
Article
Intrauterine contraceptive device
Intrauterine contraceptive devices (IUCD), also known as intrauterine devices (IUD) and colloquially commonly as the coil, are one of the most frequently used methods of contraception throughout the world. It prevents pregnancy by:
thinning the endometrial lining
preventing sperm motility
pre...
Article
Lambda sign (disambiguation)
There are two described lambda (λ) signs:
lambda sign (twin pregnancy)
lambda sign (sarcoidosis)
Case
Ruptured tubal ectopic pregnancy
![](https://prod-images-static.radiopaedia.org/images/57442052/ba94711cfc390bc69e64b118a840e0a5e747d74eae9dc802d1e62308387690c5_thumb.jpeg)
Published
19 Mar 2022
94% complete
Ultrasound
Case
Fetal schizencephaly
![](https://prod-images-static.radiopaedia.org/images/8610459/feb4adeae820143e611137ec96163bf1622ee294b3a1cf5bf639652625f5412a_thumb.jpeg)
Published
20 Sep 2015
71% complete
MRI
Article
Fallopian (disambiguation)
The eponym fallopian may refer to:
fallopian canal (facial nerve canal)
fallopian tube (uterine duct)
fallopian ligament (inguinal ligament)
History and etymology
It is named after Gabriele Falloppio (also known by his Latin name Fallopius), Italian anatomist (1523-1562). Despite the eponym...
Article
Heterotopic pregnancy
Heterotopic pregnancy is a rare situation when there is an intra-uterine and extra-uterine (i.e. ectopic) pregnancy occurring simultaneously.
Epidemiology
The estimated incidence in the general population is estimated at 1:30,000 (for a naturally conceived pregnancy 7). The incidence among pat...
Article
Invasive mole
Invasive mole is a tumorous growth associated with gestation and falls under the spectrum of gestational trophoblastic disease. Due to their aggressive growth characteristics, invasive moles are considered locally invasive non-metastasizing neoplasms.
Epidemiology
An invasive mole develops in ...
Case
Twin reversed arterial perfusion (TRAP) sequence
![](https://prod-images-static.radiopaedia.org/images/48689672/57e27607ffd33f755904001c3ffa7c_thumb.jpeg)
Published
23 Feb 2019
91% complete
Ultrasound
Case
Transposition of the great arteries (fetal echocardiogram)
![](https://prod-images-static.radiopaedia.org/images/62156419/4b02b0685035e868622532471a73be9ebb570516378c4e630be7b0ff1b9bbd9d_thumb.jpeg)
Published
13 Jan 2024
75% complete
Ultrasound
Case
Congenital high airways obstruction syndrome
![](https://prod-images-static.radiopaedia.org/images/29723390/ce74b7a6f28d253db0f741faf789ae_thumb.jpeg)
Published
12 Apr 2017
72% complete
Ultrasound
Case
Ostium primum ASD - fetal echocardiography
![](https://prod-images-static.radiopaedia.org/images/35324762/6e223e5e8490c336781ce6dffeee2a_thumb.jpeg)
Published
18 Jan 2018
94% complete
Ultrasound
Article
Crouzon syndrome
Crouzon syndrome, also known as craniofacial dysotosis, is rare disorder characterized by premature craniosynostoses.
Pathology
Features include:
abnormal calvarial shape: in severe case can give a "cloverleaf skull"
shallow orbits with exophthalmos
mid facial hypoplasia
bifid uvula
Gen...