Fig. 6 | Scientific Reports

Fig. 6

From: Diffuse pulmonary ossification and its association with cicatricial organising pneumonia in idiopathic and secondary forms

Fig. 6

Pathological findings of lung lesions from a patient with nodular-type S-DiPO and a patient with dendritic-type I-DiPO. (a–e) Several views of a specimen from a patient with nodular-type S-DiPO associated with AF (Patient 31). (a–c) Nodular-type DiPO lesions without bone marrow findings (white stars; bone marrow-G0). (b) High-magnification view of the black rectangle in (a). (c) High-magnification view of the area in the black rectangle in (b). (d) Small CiOP lesion (black star, CiOP-G1) close to the ossified lesion (white star). High-magnification view of the area in the black rectangle in (c). (e) Middle-power view of the same nodular-type S-DiPO (yellow stars, bone marrow-G0) showing a small, ossified lesion of approximately 0.5 mm in size (maximum size-G0). High-magnification view of the green rectangle in (a). Inset in (e); High-magnification view of the black rectangle in (e). f: Middle power view of a dendritic-type I-DiPO specimen (Patient 19) at the same magnification as in (e). Ossified lesion with bone marrow (yellow stars, bone marrow-G3) larger than 3 mm (maximum size-G2). Scale bars: 2 mm (a, b), 1 mm (e, f), and 0.2 mm (c, d, e inset). CiOP cicatricial organising pneumonia, DiPO diffuse pulmonary ossification, G grade.

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