PMC7166268_01
(a) Thorax CT showing a dense consolidation in the lower lung left lobe with mass aspect and pleural effusion. (b) Tumor obstructing 90% of the left main bronchus (red box).
CRIID2020-3131024.001.jpg
PMC7166268_01_CRIID2020-3131024.001.jpg
fig1
The CT scan showed bilateral pleural effusion (Figure 1(a)) with an occupational lesion obstructing the left main bronchial lumen (Figure 1(b)) as well as a consolidation with air bronchogram in the left lung in segment 6.
(a) Panoramic view of the lesion constituted by the stroma mixed with inflammatory cells. (b) A close up of the lesion, where several foamy histiocytes can be seen (arrows). (c, d) Some foamy histiocytes present intracytoplasmatic inclusion bodies with Von Kossa stain known as Michaelis-Gutmann bodies (arrows).
CRIID2020-3131024.002.jpg
PMC7166268_01_CRIID2020-3131024.002.jpg
fig2
The histopathological report of the transbronchial biopsy (Figure 2) shows a cumulus of inflammatory cells with foamy histiocytes, some of which can be seen with intracytoplasmatic inclusions (Michaelis-Gutmann bodies) compatible with pulmonary malakoplakia.