Related Experiment Videos
[Multiple primary malignant neoplasms associated with genitourinary cancer]
T Fukagai1, M Ishihara, K Funabashi
1Department of Urology, Tokyo Metropolitan Hiroo General Hospital, Japan.
Hinyokika Kiyo. Acta Urologica Japonica
|March 1, 1996
Summary
Genitourinary cancers frequently occur with other malignancies, affecting over 10% of patients. Early detection and careful monitoring are crucial due to poor prognoses in these complex cases.
Area of Science:
- Oncology
- Urology
Context:
- Study population: 392 patients with genitourinary malignant neoplasms.
- Focus: Statistical analysis of 42 patients (10.6%) with multiple malignant neoplasms.
- Demographics: Average age 72.2 years, 83% male.
Purpose:
- To investigate the incidence and characteristics of multiple malignant neoplasms in patients with genitourinary cancers.
- To analyze the primary sites and timing of secondary malignancies.
- To assess the prognosis associated with multiple genitourinary and other cancers.
Summary:
- Multiple malignant neoplasms were observed in 10.6% of genitourinary cancer patients.
- Common primary genitourinary sites included bladder and prostate (35% each).
- Frequent accompanying cancers involved the stomach (39%) and lungs (12%).
- Most patients developed second primary malignancies within 5 years.
- Synchronous diagnoses occurred in 35% of multiple neoplasm cases.
- Overall prognosis for patients with multiple genitourinary cancers was poor.
Impact:
- Highlights the significant incidence of multiple malignancies in genitourinary cancer patients.
- Underscores the need for vigilant follow-up and screening in this patient group.
- Suggests potential shared risk factors or biological mechanisms for multiple cancers.