Items tagged “ultrasound”
506 results found
Article
Twinkling artifact
Twinkling artifact is seen with color flow Doppler ultrasound 1. It occurs as a focus of alternating colors on Doppler signal behind a reflective object (such as a calculus or air), which gives the appearance of turbulent blood flow 2. It appears with or without an associated color comet tail ar...
Case
Vesicoureteric reflux (ultrasound)
Published
24 Feb 2013
94% complete
Ultrasound
Case
Metastatic testicular cancer
Published
01 Apr 2013
74% complete
CT
X-ray
Ultrasound
Article
Gynecological ultrasound set-pieces
The clinical history will nearly always lead to a short differential or the answer. Show off to the examiner that you have a structured approach to reporting and managing the patient.
Structured approach
uterus: size, version and shape (normal or variant which you should elaborate on and say w...
Case
Adenomatoid tumor of the scrotum
Published
20 Apr 2013
63% complete
Ultrasound
Case
Pigmented villonodular synovitis- ultrasound
Published
03 May 2013
61% complete
X-ray
Ultrasound
Case
Acute pancreatitis
Published
17 May 2013
58% complete
Annotated image
Article
Epididymal abscess
An epididymal abscess is an uncommon complication of epididymitis.
Pathology
Causative organisms are the same that cause epididymitis:
older individuals
Escherichia coli
Proteus mirabills
younger individuals
Chlamydia trachomatis
Neisseria gonorrhoeae
Other ...
Case
Testicular yolk sac tumor
Published
01 Jun 2013
35% complete
Ultrasound
Article
Sonographic Murphy sign
Sonographic Murphy sign is defined as maximal abdominal tenderness from the pressure of the ultrasound probe over the visualized gallbladder 1,2. It is a sign of local inflammation around the gallbladder along with right upper quadrant pain, tenderness, and/or a mass 2.
It is one of the most im...
Case
Bilateral congenital talipes equino-varus deformity in fetus
Published
07 Jun 2013
75% complete
Ultrasound
Case
Urinary bladder calculus
Published
14 Jun 2013
69% complete
X-ray
Ultrasound
Case
Testicular atrophy
Published
28 Jun 2013
54% complete
Ultrasound
Article
Parathyroid adenoma
Parathyroid adenomas are benign tumors of the parathyroid glands and are the most common cause of primary hyperparathyroidism.
Epidemiology
Associations
There is an association with multiple endocrine neoplasia types I (MEN1) and IV (MEN4).
Clinical presentation
Patients typically present w...
Article
Parathyroid glands
The parathyroid glands are endocrine glands located in the visceral space of the neck. They produce parathyroid hormone, which controls calcium homeostasis.
Gross anatomy
There are normally two pairs of parathyroid glands, inferior and superior, although there can be up to twelve in number. T...
Case
Fetal esophagus (normal ultrasound)
Published
03 Aug 2013
60% complete
Ultrasound
Case
Tip appendicitis
Published
07 Aug 2013
75% complete
Ultrasound
Article
Thyroid malignancies
Thyroid malignancies are most commonly primary thyroid cancers but can rarely be metastatic deposits.
Epidemiology
Risk factors
head and neck irradiation (see radiation-induced thyroid cancer)
family history of thyroid cancer
age <30 or >60 years
male
>2 cm
Pathology
Class...
Article
Acoustic shadowing
Acoustic shadowing (sometimes referred to as posterior acoustic shadowing) is a form of ultrasound artifact. It is characterized by the apparent lack of signal deep to an imaged tissue interface, due to all (or nearly all) of the transmitted sound wave being being reflected back to the transduce...
Article
Gut signature sign
The gut signature sign is an ultrasound term used to describe the appearance of the gastrointestinal wall.
Radiographic features
Ultrasound
The bowel wall has five layers, composed of alternating hyperechoic and hypoechoic appearances. Anatomically these layers are as follows (innermost to o...
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