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Related Experiment Video

Updated: Apr 29, 2026

Generation and Expansion of Primary, Malignant Pleural Mesothelioma Tumor Lines

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Published on: April 21, 2022

Multiple primary malignancies: a report of two cases.

Minas Sakellakis¹, Stavros Peroukides¹, Gregoris Iconomou¹

¹Division of Oncology, Department of Medicine, University Hospital of Patras, Rion 26504, Greece.

Chinese Journal of Cancer Research = Chung-Kuo Yen Cheng Yen Chiu

|May 15, 2014

Summary

Multiple primary malignancies (MPMs) are increasingly diagnosed, presenting complex challenges. This report details two cases of synchronous triple tumors, highlighting diagnostic and therapeutic difficulties.

Keywords:

Multiple malignancies metachronous primary synchronous

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Area of Science:

Oncology
Medical Diagnosis
Cancer Research

Background:

Multiple primary malignancies (MPMs) are diagnosed with increasing frequency.
MPMs necessitate investigation into shared etiological factors and pathogenetic mechanisms.
The occurrence of MPMs poses significant clinical and therapeutic challenges.

Observation:

This report presents two distinct cases of patients diagnosed with three synchronous primary malignant tumors.
Case 1: A 66-year-old male with synchronous colorectal cancer, renal cell carcinoma (RCC), and non-small cell lung cancer (NSCLC).
Case 2: A 64-year-old female with synchronous breast cancer, transitional cell carcinoma of the ureter, and endometrial cancer.

Findings:

The incidence of MPMs appears higher than statistically predicted.
Synchronous triple malignancies present unique diagnostic complexities.
Therapeutic options for patients with multiple primary cancers are often limited.

Implications:

Further research is warranted to elucidate common etiological factors and pathogenetic pathways in MPMs.
Improved diagnostic strategies are needed to identify MPMs earlier.
Multidisciplinary approaches are crucial for optimizing treatment and management of patients with MPMs.