Items tagged “ultrasound”
506 results found
Article
Fallopian tube torsion
A fallopian tube torsion is a type of adnexal torsion and usually occurs in association with an ovarian torsion (when it is then termed a tubo-ovarian torsion). An isolated fallopian tube torsion is rare but can occur.
Pathology
An isolated tubal torsion can occur as a late complication of tu...
Article
Pelvic inflammatory disease
Pelvic inflammatory disease (PID) is a broad term that encompasses a spectrum of infection and inflammation of the upper female genital tract, resulting in a range of abnormalities.
Epidemiology
The highest incidence is seen among sexually-active women in their teens, with 75% of cases being ...
Article
IUCD-related uterine perforation
IUCD-related uterine perforations are one of the causes of uterine perforation. It is a rare, but serious complication of an intrauterine contraceptive device (IUCD), and is often clinically silent.
Epidemiology
The incidence rate is reported at ~2 in 1000 2.
Risk factors
postpartum period ...
Article
Ovarian mucinous tumors
Ovarian mucinous tumors are a subgroup of ovarian epithelial tumors. They represent 10-15% of all ovarian tumors and ~10% of all malignant ovarian tumors. They are subdivided according to their malignant potential and clinical behavior into:
ovarian mucinous cystadenoma
ovarian borderline...
Article
Ovarian cystic neoplasms
Ovarian cystic neoplasms can be either benign or malignant and can arise from epithelial, stromal, or germ cell components. In general, the risk of malignancy in unilocular cystic tumors <10 cm in women over the age of 50 years is thought to be low 3,4.
benign
ovarian mature cystic tera...
Article
Ovarian mucinous cystadenocarcinoma
Mucinous cystadenocarcinoma of the ovary is a rare malignant ovarian mucinous tumor. This type can account for 5-10% of all ovarian mucinous tumors. It is a type of ovarian epithelial tumor.
Pathology
Retrospective studies have suggested that many mucinous carcinomas initially diagnosed as pr...
Article
Sclerosing stromal tumor of the ovary
Sclerosing stromal tumor (SST) of the ovary is a rare ovarian neoplasm. It is considered a subtype of ovarian sex cord / stromal tumor and is included in the fibroma-thecoma group of ovarian tumors 9.
Epidemiology
It occurs predominantly in young women and its incidence peaks around the 2nd to...
Article
Cystic endometrial atrophy
Cystic endometrial atrophy is a benign process that can occur as part of tamoxifen-associated endometrial change.
Pathology
It is diagnosed histologically when multiple cystic spaces (dilated glands) lined with atrophic epithelium are present within a dense fibrous stroma.
At hysteroscopy, ...
Case
Gallbladder polyp
Published
11 Oct 2011
63% complete
Ultrasound
Article
High-intensity focused ultrasound
High-intensity focussed ultrasound (HIFU), sometimes referred to as focused ultrasound surgery (FUS), is a promising non-invasive thermal ablation technique.
Unlike diagnostic ultrasound, HIFU focuses the ultrasound waves precisely upon a target. In a similar way to how light can be focused to ...
Article
Adult granulosa cell tumor of the ovary
Adult granulosa cell tumor of the ovary is a type of ovarian sex cord / stromal tumor. They are by far the most frequent subtype of granulosa cell tumors of the ovary (95%) and are commoner than the juvenile granulosa tumor of the ovary.
Epidemiology
Approximately two-thirds of this subtype ar...
Article
Ovarian Sertoli-Leydig cell tumor
Ovarian Sertoli-Leydig cell tumors (SLCT), also known as ovarian androblastomas, are a subtype of ovarian sex cord-stromal tumor.
Epidemiology
They are rare and only account for ~0.5% of all ovarian tumors. While they can present at any age, they typically present <30 years old, with a mean ag...
Article
Absent fetal stomach on ultrasound (differential)
Non-visualization of the fetal stomach on ultrasound can occur with various physiological as well as pathological processes. It becomes a significant sonographic observation >14 weeks of gestation (about the time the fetus begins to swallow).
Causes include:
physiological emptying: transient
...
Article
Tubular ectasia of rete testis
Tubular ectasia of rete testis (rare plural: retia testes 8) represents dilated testicular mediastinal tubules.
Epidemiology
This condition is more common in men over the age of 55 years.
It is often bilateral, is frequently associated with spermatoceles and may occur as result of a vasectom...
Article
Second trimester ultrasound scan
The second trimester scan is a routine ultrasound examination in many countries that is primarily used to assess fetal anatomy and detect the presence of any fetal anomalies.
The second trimester extends from 13 weeks and 0 days to 27 weeks and 6 days of gestation although the majority of thes...
Case
Breast cancer on ultrasound
Published
17 Nov 2011
57% complete
Ultrasound
Case
Lower limb deep vein thrombosis
Published
28 Nov 2011
75% complete
Ultrasound
Article
Cryptorchidism
Cryptorchidism refers to an absence of a testis (or testes) in the scrotal sac. It may refer to an undescended testis, ectopic testis, or an atrophic or absent testis. Correct localization of the testes is essential because surgical management varies on location.
Pathology
The testes develop i...
Article
Testicular yolk sac tumor
Testicular yolk sac tumor, also known as endodermal sinus tumor of the testis, is the most common childhood testicular tumor (80%), with most cases occurring before the age of two years 1. In adults, pure yolk sac tumor is extremely rare, however mixed germ cell tumor is commonly seen.
Patholog...
Article
Junctional parenchymal defect of kidney
Junctional parenchymal defects in renal imaging are a normal variant, which results from the incomplete embryonic fusion of renunculi.
Radiographic features
Ultrasound
It can be seen as a triangular echogenic cortical defect, frequently seen in upper lobe parenchyma. The defect is the extensi...
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