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Hepatomegaly is enlargement of the liver. [4] It is a non-specific medical sign , having many causes, which can broadly be broken down into infection , hepatic tumours , and metabolic disorder . Often, hepatomegaly presents as an abdominal mass .
Hepatomegaly Medical imaging : Longitudinal axis > 15.5 cm at the hepatic midline, or > 16.0 cm at the midclavicular line [ 14 ] Autopsy : Weight over upper limit of standard reference range, of 1,860 g (4.10 lb) in men [ 12 ] and 1,770 g (3.90 lb) in women.
The liver span is a measurement performed during physical examination to determine the size of the liver and identify possible hepatomegaly.. It is the distance between the lower border of the liver in the mid-clavicular line obtained by palpation, and the upper border of the liver in the mid-clavicular line detected by percussion (the upper border of the liver lies behind the ribs and can not ...
In patients with deranged liver function tests, ultrasound may show increased liver size (hepatomegaly), increased reflectiveness (which might, for example, indicate cholestasis), gallbladder or bile duct diseases, or a tumor in the liver. Ultrasonography of liver tumors involves two stages: detection and characterization.
Currently, if the hepatic adenoma is >5 cm, increasing in size, symptomatic lesions, has molecular markers associated with HCC transformation, rising level of liver tumor markers such as alpha fetoprotein, the patient is a male, or has a glycogen storage disorder, the adenoma is recommended to be surgically removed. [7]
Once the diagnosis is suspected, the multiplicity of clinical and laboratory features usually makes a strong circumstantial case. If hepatomegaly, fasting hypoglycemia, and poor growth are accompanied by lactic acidosis, hyperuricemia, hypertriglyceridemia, and enlarged kidneys by ultrasound, GSD I is the most likely diagnosis.
4D functional ultrasound imaging (4D fUS) means fUS imaging of a 3D region of the brain over time. Some researchers conducted 4D fUS of whole-brain activity in rodents. Currently, two different technological solutions are proposed for the acquisition of 3D and 4D fUS data, each with its own advantages and drawbacks. [ 14 ]
The size of the brain is a frequent topic of study within the fields of anatomy, biological anthropology, animal science and evolution.Measuring brain size and cranial capacity is relevant both to humans and other animals, and can be done by weight or volume via MRI scans, by skull volume, or by neuroimaging intelligence testing.