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Updated: Apr 3, 2026

Pathological Analysis of Lung Metastasis Following Lateral Tail-Vein Injection of Tumor Cells
Published on: May 20, 2020
Improving the pathologic evaluation of lung cancer resection specimens
Raymond U Osarogiagbon1, Holly L Hilsenbeck1, Elizabeth W Sales1
11 Multidisciplinary Thoracic Oncology Program, Baptist Cancer Center, Memphis, TN, USA ; 2 Duckworth Pathology Group, Memphis, TN, USA ; 3 Doctors Anatomic Pathology, Jonesboro, AR, USA ; 4 Department of Pathology, St. Francis Hospital, Memphis, TN, USA ; 5 Pathology and Clinical Laboratories, North Mississippi Medical Center, Tupelo, MS, USA ; 6 Medical Center Laboratory, Jackson-Madison County General Hospital, Jackson, TN, USA ; 7 Pathology and Laboratory Medicine Service, Department of Veterans Affairs, VA Medical Center Memphis, TN, USA ; 8 Trumbull Laboratories, LLC/Pathology Group of the Mid-South, Memphis, TN, USA.
Improving pathologic nodal staging accuracy is crucial for lung cancer patient prognostication and treatment. Targeted interventions, like pre-labeled kits and improved dissection, can bridge the quality gap in lymph node assessment.
Area of Science:
- Oncology
- Pathology
- Surgical Oncology
Background:
- Accurate pathologic nodal staging is critical for lung cancer prognostication and guiding adjuvant therapies (chemotherapy, radiation).
- Significant variations in the quality of pathologic nodal staging exist, impacting patient survival on a large scale.
- Current methods for lymphadenectomy and specimen handling can lead to the loss of intrapulmonary lymph nodes, compromising staging accuracy.
Purpose of the Study:
- To describe the quality gap in current pathologic nodal staging practices for lung cancer.
- To present evidence for the reversibility of this quality gap through targeted corrective interventions.
- To evaluate the potential of these interventions to improve lung cancer risk stratification and prognostic marker development.
Main Methods:
- Implementing pre-labeled specimen collection kits to enhance surgical lymphadenectomy, specimen labeling, and inter-departmental transfer.
- Adopting an improved gross dissection method for lung resection specimens to minimize the loss of intrapulmonary lymph nodes.
- Conducting a regional dissemination and implementation project across diverse healthcare systems in a high-incidence lung cancer region.
Main Results:
- The described interventions demonstrate potential to significantly enhance the accuracy of pathologic nodal staging.
- Improved staging facilitates more precise risk stratification for lung cancer patients.
- Enhanced specimen quality supports the development of novel stage-independent prognostic markers.
Conclusions:
- Targeted interventions can effectively address and potentially reverse the quality gap in lung cancer pathologic nodal staging.
- Improving lymph node assessment is vital for optimizing post-operative management and patient outcomes.
- These quality improvement initiatives hold promise for advancing lung cancer research and clinical practice.

