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Related Concept Videos

Review and Preview01:10

Review and Preview

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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
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Review and Preview01:13

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Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
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Design Consideration01:22

Design Consideration

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Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
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Tensile Strength Considerations of Concrete01:16

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Considering the tensile strength of concrete involves recognizing that the theoretical strength of cement paste can be up to a thousand times higher than what is observed in practical applications. This significant discrepancy is largely attributed to the presence of microscopic cracks within the concrete. These cracks tend to amplify stress at their tips when a load is applied, a phenomenon explained by Griffith's theory of brittle fracture.
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Transmission Line Design Considerations01:23

Transmission Line Design Considerations

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Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
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Special considerations while measuring pulse01:13

Special considerations while measuring pulse

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Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
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Related Experiment Video

Updated: Feb 10, 2026

Author Spotlight: A Reproductive Hysteroscopy Approach for Complete Endometrial Polyp Removal and Enhanced Endometrial Receptivity
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Malignant Colorectal Polyps; Pathological Consideration (A review).

Bita Geramizadeh1, Mahsa Marzban2, David A Owen3

  • 1Dept. of Pathology, Transplant Research Center, Shiraz, Iran.

Iranian Journal of Pathology
|May 16, 2018
PubMed
Summary

Accurate diagnosis of malignant colon polyps is crucial for patient treatment. Key reporting elements include invasion depth, lymphovascular invasion, tumor differentiation, and resection margin status for optimal management.

Keywords:
AdenomatousColonMalignantpolyp

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Area of Science:

  • Gastroenterology
  • Pathology
  • Oncology

Background:

  • Increasing rates of colonoscopies lead to more excised colonic polyps.
  • Pathologists' findings are critical for guiding patient treatment and surveillance strategies.
  • Accurate diagnosis of malignancy in colonic polyps is a key challenge.

Purpose of the Study:

  • To review current literature on the diagnosis and reporting of malignant colonic polyps.
  • To highlight essential pathological features for clinical decision-making.
  • To inform best practices in the pathological assessment of colonic polyps.

Main Methods:

  • Literature review of published articles.
  • Search conducted on Google Scholar and PubMed.
  • Synthesis of findings on malignant polyp pathology.

Main Results:

  • Malignant polyp diagnosis requires tumor invasion beyond the muscularis mucosa into the submucosa (pT1).
  • Essential reporting includes invasive component size, lymphovascular invasion, differentiation, and resection margin.
  • Other significant features are tumor budding, invasion depth, and molecular markers (MMR, BRAF).

Conclusions:

  • Pathological reporting of malignant polyps must be comprehensive for effective patient management.
  • Standardized reporting of key features ensures consistent clinical decision-making.
  • Detailed pathological assessment aids in determining appropriate surgical and surveillance protocols.