Fig. 3
From: Neuromyelitis optica and concomitant pulmonary tuberculosis: a case report
a–d Anteroposterior chest X-ray and chest CT scan demonstrating diffuse reticulonodular infiltrates in both lungs and left pulmonary excavations. a Initial anteroposterior chest X-ray on admission illustrating pulmonary excavation (arrow) with air-fluid level (star). b Follow-up chest X-ray, performed 3 months after antituberculosis therapy initiation, showing regression of excavation. c, d CT scan (mediastinal window), performed on admission, showing pulmonary excavation with air-fluid level (arrow)