case_images: PMC9360581_01
case_images: Chest CT on August 8, 2018. Chest CT showed infection and diffusely scattered nodules in both lungs.
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case_images: Chest CT showed infection and diffusely scattered nodules in both lungs (Figure 1).
case_images: Chest CT on August 26, 2018. Re-examined chest CT showed more and larger nodules in both lungs than previously.
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case_images: August 24 showed more and larger nodules in both lungs than previously (Figure 2). Afterwards, a right lobe mass biopsy was performed under CT guidance.
case_images: Immunohistochemical analysis. Microscopic image showed multiple nodular-like lesions in the submitted tissues, and the tumour cells were round or short fusiform, forming a solid nest structure, visible mitosis, and a vascular cavity-like structure containing red blood cells. Immunohistochemistry: positive staining for Vimentin, Bcl-2, CD31 (b), and CD34 (e); negative staining for CD68, SMA, CR, and D2-40; and 40% Ki67+ positivity.
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case_images: This pathological examination confirmed the diagnosis of PEH (Figure 3).
case_images: Chest CT on October 6, 2018. More exudative lesions and diffusely scattered nodules in both lungs were observed on chest CT.
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case_images: More exudative lesions and diffusely scattered nodules in both lungs were observed on chest CT (Figure 4).