Metastatic spinal cord compression as the fi rst sign of malignancy Outcome after surgery in 69 patients

Acta Orthopaedica, 2017 · DOI: 10.1080/17453674.2017.1319179 · Published: April 1, 2017

Simple Explanation

Metastatic spinal cord compression (MSCC) can be the first sign of an unknown cancer, presenting challenges in diagnosis and treatment. This study evaluates the outcomes of surgery for MSCC when it is the initial manifestation of malignancy (IMM). The study reviewed records of 69 patients who underwent surgery for MSCC as the IMM to determine neurological outcome, complications, survival, and how the primary tumor was diagnosed. The primary tumor was identified in 59 patients, while 10 patients were classified as having cancer of unknown primary tumor (CUP). Overall survival was 20 months, with prostate cancer and myeloma patients showing the longest survival times. A significant number of non-ambulatory patients regained walking ability postoperatively, and most ambulatory patients retained their walking ability. The study concludes that postoperative survival with MSCC as the IMM depends on the type of primary tumor. Surgery can help maintain or improve the ability to walk. The study highlights the importance of identifying the primary tumor to guide further treatment and improve survival outcomes.

Study Duration
September 2003 and September 2015
Participants
69 consecutive patients (51 men)
Evidence Level
Not specified

Key Findings

  • 1
    Postoperative survival depends on the type of primary tumor, with prostate cancer and myeloma showing the longest survival.
  • 2
    Surgery maintains and improves ambulatory function in patients with MSCC as the IMM; 20 of 39 patients regained walking ability.
  • 3
    The primary tumor was identified in 85% of patients, highlighting the importance of diagnostic workup.

Research Summary

This study evaluated the outcomes of surgical treatment for metastatic spinal cord compression (MSCC) as the initial manifestation of malignancy (IMM) in 69 patients. The primary outcomes assessed were neurological function, complications, survival, and the methods used to diagnose the primary tumor. The study found that postoperative survival varied significantly depending on the type of primary tumor. Patients with prostate cancer and myeloma had the longest survival, while those with cancer of unknown primary (CUP) had the shortest. Surgery was effective in maintaining or improving ambulatory function in a significant number of patients. The identification of the primary tumor was crucial for guiding adjuvant therapies and improving survival outcomes. The study highlights the importance of a thorough diagnostic workup to identify the primary tumor site in patients presenting with MSCC as the IMM.

Practical Implications

Diagnostic Importance

Emphasizes the need for thorough diagnostic workup to identify the primary tumor in patients with MSCC as the first sign of malignancy.

Treatment Planning

Findings suggest treatment strategies should be tailored based on the type of primary tumor to optimize survival outcomes.

Surgical Intervention

Supports surgical intervention to maintain or improve ambulatory function in patients with MSCC as the IMM.

Study Limitations

  • 1
    Retrospective observational study design.
  • 2
    Lack of strict treatment guidelines during the study period.
  • 3
    Long data collection period (12 years) may be influenced by advances in diagnostic techniques and adjuvant therapies.

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