Multiple Lung Cysts Due to pneumocystis jirovecii Pneumonia
نویسندگان
چکیده
A 43-year-old man presented with fatigue and weight loss. He was diagnosed with HIV, but antiretroviral therapy was discontinued. Physical examination demonstrated oral thrush, but no other abnormal findings. Blood tests revealed a CD4 cell count of 77/μL and HIV-RNA of 7.7×10 copies/ mL. A chest computed tomography (CT) scan showed diffuse ground-glass opacities and multiple cysts with mediastinal lymphadenopathy (Picture 1A). Bronchoscopy with broncoalveolar lavage (BAL) and endobronchial ultrasoundguided transbronchial needle aspiration (EBUS-TBNA) of the lymph node was performed. Cytology of BAL revealed granulomatous lesions. A lymph node from which a specimen was obtained by EBUS-TBNA revealed granulomas and cysts of pneumocystis jirovecii (Picture 2). Acid-fast stain and mycobacterial cultures of these specimens were negative. Sulfamethoxazole-Trimethoprim was initiated and a follow-up CT scan revealed shrinkage of these lesions one month later (Picture 1B). Chronic pneumocystis jirovecii pneumonia (PCP) has been associated with forming cysts (1). Additionally, granulomatous PCP is a rare histopa-
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