[Report of two cases of primary mediastinal tuberculosis]

Two cases of primary mediastinal lymphonode tuberculosis involved right bronchus were summarized in the report. Major clinical symptoms included cough and bloody sputum. Chest enhanced CT scan showed mediastinal lymph node enlargement with ring-shaped enhancement. Bronchoscopy suggested neoplasm in right bronchus. Diagnosis of tuberculosis was confirmed by histopathology in samples from lymph node puncture and brochoscopic biopsy. The clinical symptoms and medical imaging of patients were improved after transbrochoscopic interventional therapy and systemic chemotherapy.