Risk factors for malignancy in systemic sclerosis patients

Area of Science:

• Rheumatology
• Oncology
• Autoimmune Diseases

Background:

• Systemic sclerosis (SSc) is a multisystem autoimmune disease.
• Previous reports indicate a higher cancer incidence in SSc patients compared to the general population.

Purpose of the Study:

• To identify common malignancies in SSc patients.
• To investigate potential risk factors for cancer development in SSc.

Main Methods:

• Retrospective analysis of medical records from 340 SSc patients across 13 centers.
• Evaluation of patient data to identify cancer types and associated factors.

Main Results:

• Twenty-five out of 340 SSc patients (7.35%) were diagnosed with 19 different types of malignancy.
• Bladder cancer was the most frequent (4 patients), followed by breast cancer (3 patients).
• Cyclophosphamide dose was the only identified risk factor, specifically associated with bladder carcinoma.

Conclusions:

• Malignancies can occur in any organ system in SSc patients.
• Continuous screening and early detection are crucial for managing cancer risk in SSc.
• Further research is needed to fully understand cancer etiology in SSc.