Figure 2. BAL fluid cytolological examination showed evidence of acute inflammatory cells, histiocytes and fibrin arranged in groups of well-defined caseating granulomas, characteristic for tuberculous infection

From

Bronchoalveolar Lavage Fluid Caseating Granulomas in A Case of Pulmonary Tuberculosis

Mohammad Alrehaili, Eid Al-Qurashi, Ahmed Sayeed, Hanan Muabbar

American Journal of Medical Case Reports. 2020, 8(9), 268-270 doi:10.12691/ajmcr-8-9-3