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Introduction Tuberculosis is a significant health issue in developing countries, with the World Health Organization reporting over 10 million cases worldwide in 2014. While methods exist for rapid investigation of Mycobacterium tuberculosis, radiological imaging may lead to an earlier suspicion, such as presence of cavitation. In this case report, a patient with only radiological finding being atelectasis will be presented. Case Presentation An 18 years old female patient with no specific medical background history had been evaluated at an outpatient clinic with complaints of cough and exertional dyspnea. After a fluoroquinolone treatment for 7 days given for a pericardiac density in chest radiography, patient was admitted due to limited clinical response. A chest tomography was performed while the patient was under wide spectrum antibiotics and atelectasis in right lower lobe was observed. Repeated Acid-Fast Bacilli smears and sputum samples were found negative and bronchoscopy sampling did not show any findings of obstruction. Mycobacterium tuberculosis complex DNA was later detected in the lavage samples for which antituberculosis treatment was initiated with a regimen of isoniazid 5 mg/kg, pyrazinamide 25 mg/kg, ethambutol 15 mg/kg, and rifampin 10mg/kg. Discussion The diagnosis of tuberculosis, in this case, was probably masked during the AFB smear testing due to a treatment regimen of fluoroquinolone. The general radiological definition of tuberculosis primarily consists of older studies, with the expected presentation being a combination of cavitation and infiltration. Normal lung imaging results had also been described for tuberculosis regarding chest radiography, and studies have reported the presence of atelectasis in patients with tuberculosis, as seen in tomography case series; however, the isolation of atelectasis had not been specified in the studies. Conclusion Pulmonary tuberculosis may present itself with a myriad of radiological findings. This presentation often complicates the diagnostic process; however, differential diagnosis can be achieved via a combination of clinical symptoms and rapid culture sampling. |
