Reactivation of pulmonary tuberculosis mimicking disease progression during immune checkpoint inhibitor therapy

Key Points

• This report aims to highlight the implications of pulmonary tuberculosis reactivation during cancer therapy.
• Case report of a male patient in his late 60s with a history of smoking and alcohol intake.
• Evaluation included histopathology and PET-CT imaging.
• Assessment of swelling in the left upper neck leading to diagnosis.
• Histopathology indicated poorly differentiated squamous cell carcinoma.
• Evidence of pulmonary tuberculosis reactivation noted during therapy.
• PET-CT scans provided essential diagnostic information.