PMC10205427_01
Axial and coronal CT images in lung window at the level of the carina. Axial (a)and coronal (b) CT images in lung window at the level of the carina showing total obliteration of the left main bronchus by an iso dense lesion, with subsequent total collapse of the left lung and minimal left pleural effusion.
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CT chest was done and revealed left total lung collapse (Fig. 1).
Bronchoscopic images of the lesion. a-whitish tumor tissue is seen protruding from the left main bronchus and creeping on the carina, b-carina is eroded by the tumor, c- a cryoprobe is attached to the tumor during taking the biopsies.
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Endobronchial biopsies with cryoprobe were performed (Fig. 2).
Histopathology of the tissue. Photomicrograph showing mucoid and necrotic material infiltrated by broad ribbon-like pauciseptate hyphae, irregularly branching at 90 . (H&E stain, original magnification x 100).
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Histopathological examination of the biopsies revealed hyalinized fibrous tissue, granulation tissue, necrotic material and debris infiltrated by large number of broad ribbon like puaciseptate hyphae, irregularly branching at 90 degrees which was consistent with mucormycosis (Fig. 3).