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The Availability Heuristic

The Availability Heuristic

A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):

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Related Experiment Video

Updated: May 20, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

D Salet-Lizée, S Alsary

Journal De Chirurgie

|July 17, 2012

Summary

Complete lymph node dissection is recommended for early-stage ovarian cancer staging and treatment, except for stage I mucinous type. In advanced disease, debulking surgery improves outcomes, with dissection potentially enhancing survival.

Area of Science:

Gynecologic Oncology
Surgical Oncology
Pathology

Context:

Ovarian cancer frequently metastasizes to regional lymph nodes (pelvic and para-aortic).
Patterns of lymph node involvement are variable (unilateral, contralateral, bilateral).
Accurate staging is crucial for effective ovarian cancer management.

Purpose:

To evaluate the diagnostic and therapeutic value of complete lymph node dissection in ovarian cancer.
To assess the role of lymph node dissection in early- and advanced-stage disease.
To determine the impact of debulking surgery on disease-free survival and quality of life.

Summary:

Complete lymph node dissection is recommended for early-stage ovarian cancer (except stage I mucinous) for staging and treating retroperitoneal spread, potentially removing chemotherapy-resistant micrometastases.

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Last Updated: May 20, 2026

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In advanced ovarian cancer, lymph node involvement signifies poorer prognosis and increased tumor aggressivity.

Optimal debulking surgery, aiming for minimal residual tumor, offers the best chance for prolonged disease-free interval and improved quality of life, supported by non-randomized and prospective studies.

Impact:

Complete lymph node dissection provides diagnostic and therapeutic benefits in early-stage ovarian cancer.
Debulking surgery in advanced stages, coupled with lymph node assessment, can improve patient outcomes.
Findings support comprehensive surgical approaches for ovarian cancer, enhancing survival and quality of life.