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Related Concept Videos

Unusual Results01:16

Unusual Results

3.9K
Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
According to the range rule of thumb, any value above or below two standard deviations, 2σ  from the mean, μ  is considered unusual.
Maximum unusual value =...
3.9K
z Scores and Unusual Values01:07

z Scores and Unusual Values

11.1K
The z score is one of the three measures of relative standing. It describes the location of a value in a dataset relative to the mean. z scores are obtained after the standardization of the values in a dataset. The z score for the mean is 0.
 This score indicates how far a value is from the mean in terms of standard deviation. For example, if a data value has a z score of +1, the researcher can infer that the particular data value is one standard deviation above the mean. If another data...
11.1K
Ideal Solutions02:24

Ideal Solutions

22.7K
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
22.7K
General Properties of Solutions02:12

General Properties of Solutions

36.2K
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed. 
36.2K
Solution Formation02:16

Solution Formation

38.2K
There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride.
This selective...
38.2K
Enthalpy of Solution02:39

Enthalpy of Solution

31.3K
There are two criteria that favor, but do not guarantee, the spontaneous formation of a solution:
31.3K

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Related Experiment Video

Updated: Feb 14, 2026

A Preclinical Murine Model of Hepatic Metastases
06:51

A Preclinical Murine Model of Hepatic Metastases

Published on: September 27, 2014

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Muscle metastases: rare problem with unusual solution.

Becky Hirst1, Jack Powell2

  • 1Barnsley Hospice, Barnsley, UK.

BMJ Supportive & Palliative Care
|February 9, 2018
PubMed
Summary

Skeletal muscle metastasis from lung cancer is rare. This case study details a patient with calf metastases from squamous cell carcinoma, successfully treated with amputation.

Area of Science:

  • Oncology
  • Surgical Oncology
  • Musculoskeletal Oncology

Background:

  • Metastasis to skeletal muscle from primary malignancies is uncommon.
  • Squamous cell carcinoma of the lung can present with extrathoracic metastases.
  • Effective management strategies for rare metastatic sites are crucial.

Observation:

  • A patient presented with symptomatic calf metastases.
  • The primary malignancy was identified as squamous cell carcinoma of the lung.
  • Conservative pain management was attempted for nearly two years.

Findings:

  • Skeletal muscle metastasis from lung squamous cell carcinoma was confirmed.
  • Below-knee amputation was performed for intractable pain and disease burden.
  • Post-operative recovery allowed for significant reduction in analgesic requirements.

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Automated Measurement of Microcirculatory Blood Flow Velocity in Pulmonary Metastases of Rats

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Last Updated: Feb 14, 2026

A Preclinical Murine Model of Hepatic Metastases
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Implications:

  • Highlights the importance of considering unusual metastatic sites in cancer diagnosis.
  • Demonstrates the potential efficacy of surgical intervention for palliation in rare metastatic scenarios.
  • Emphasizes the multidisciplinary approach to managing complex cancer pain and metastasis.