PMC7486608_01
Chest radiograph and computed tomography (CT) on admission.. a): Chest radiograph demonstrates diffuse infiltrative shadows in the bilateral lung fields.. b): Chest CT shows bilateral and asymmetric air space consolidation and ground-glass opacity with a peribronchial and subpleural distribution.
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A high-resolution CT of the chest showed bilateral and asymmetric air space consolidation and ground-glass opacity with a peribronchial and subpleural distribution (Fig. 1).
Histopathological findings of lung tissue by transbronchial lung biopsy. Patchy process characterized primarily by organizing pneumonia involving alveolar ducts and alveoli with bronchiolar intraluminal polyps. a): haematoxylin-eosin stain (original magnification x 10); b): Alcian-blue and periodic acid-Schiff stain ( x 20). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
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Histopathological findings of TBLB showed patchy processes characterized primarily by organizing pneumonia involving alveolar ducts and alveoli with bronchiolar intraluminal polyps (Fig. 2).
Chest radiograph and computed tomography on day 18. a) and b): Almost fully recovered from the ground-glass opacities and infiltration.
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Follow up CT scan showed significant improvement (Fig. 3).
Clinical course of the patient. mPSL, methylprednisolone; PSL, prednisolone; NPPV, non-invasive positive pressure ventilation; CRP, c-reactive protein.
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NPPV was discontinued and from the patient no longer required oxygen therapy on day 11 (Fig. 4).