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To rule out an enlarged spleen, a pretest probability of 30% or less will yield a negative predictive value over 90% (calculation) Given the paucity of physical exam findings to evaluate possible splenomegaly, Castell's sign is the most sensitive, and is thus a good tool to teach in an advanced-type physical diagnosis course.
Splenomegaly is an enlargement of the spleen. [1] The spleen usually lies in the left upper quadrant (LUQ) of the human abdomen.Splenomegaly is one of the four cardinal signs of hypersplenism which include: some reduction in number of circulating blood cells affecting granulocytes, erythrocytes or platelets in any combination; a compensatory proliferative response in the bone marrow; and the ...
Magnetic resonance imaging (MRI) can provide body composition information, but it’s typically used to measure fat accumulation in specific tissues and organs, like the liver and pancreas, rather ...
Spleen: Splenomegaly: Medical imaging: Largest dimension of over 11 cm, [27] [28] or craniocaudal height of 13 [29] cm. Moderate splenomegaly: the largest dimension is between 11–20 cm [27] Severe splenomegaly: the largest dimension is greater than 20 cm [27] Autopsy: Weight over upper limit of standard reference range, of 230 g (8.1 oz) [12 ...
The patient is first placed in the right lateral decubitus position. Percussion starts at the midpoint of the left costal margin and is continued upward perpendicular to the left costal margin. Normally, the level of dullness does not extend more than 8 cm above the costal margin and splenomegaly is diagnosed if the dullness extends beyond 8 cm ...
An international committee of scientists has proposed a new way to determine excess body fat instead of just relying on body mass index (BMI). More than 50 experts in fields such as nutrition ...
A group of 58 researchers is calling for a new, better way to measure obesity. The global team’s recommendations were published in The Lancet Diabetes & Endocrinology on Jan. 14. Body mass index ...
Dullness to percussion over Traube's space may indicate splenomegaly, although this can also be a normal finding after a meal or may indicate certain pathologies, e.g. enlarged left lobe of the liver, a fundus mass, a left pleural effusion or a massive pericardial effusion. Assessing dullness to percussion may be more difficult in obese patients.