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Results: 4

1.
Figure 2

Figure 2. From: Pulmonary epithelioid hemangioendothelioma accompanied by bilateral multiple calcified nodules in lung.

Macroscopic aspect. The cut surface reveals bronchial invasion of the tumor (long arrow), and multiple small nodules under the visceral pleura (arrowhead).

Xu Jinghong, et al. Diagn Pathol. 2011;6:21-21.
2.
Figure 1

Figure 1. From: Pulmonary epithelioid hemangioendothelioma accompanied by bilateral multiple calcified nodules in lung.

Radiographs of chest. Chest radiograph (A) and computerized tomograph (B) show an approximately 6.0 cm sized well-demarcated mass in the right lung and multiple calcified small nodules in both lungs.

Xu Jinghong, et al. Diagn Pathol. 2011;6:21-21.
3.
Figure 4

Figure 4. From: Pulmonary epithelioid hemangioendothelioma accompanied by bilateral multiple calcified nodules in lung.

Histologic findings of the multiple small nodules. (A) Eosinophilic substances were filled in pulmonary alveolar space; Cells in the nodule were small and moderate (H and E; original magnification ×200). (B) Border of the small nodule with partial calcification was not smooth and extended to neighbor airspaces (H and E; original magnification ×40). (C) The small nodule was located with the bronchiolar and vascular walls (H and E; original magnification ×40). (D) Individual small cells showed positive immunoreactivity for CD31 (original magnification ×400).

Xu Jinghong, et al. Diagn Pathol. 2011;6:21-21.
4.
Figure 3

Figure 3. From: Pulmonary epithelioid hemangioendothelioma accompanied by bilateral multiple calcified nodules in lung.

Histologic findings of the solitary mass. (A) At the periphery, tumor exhibited micropolypoid growth, and central coagulative necrosis existed in the cell cluster (H and E; original magnification ×100). (B) Several tumor cells showed marked cytologic atypia with large hyperchromatic nuclei, vesicular chromatin and prominent eosinophilic nucleoli (H and E; original magnification ×400). (C) The tumor showed extensive necrosis (upper) and invaded to bronchial mucosa and blood vessel (H and E; original magnification ×40). (D) Immunostaining for CD34 revealed strong and diffuse positivity of epithelioid cells and prominent cytoplasmic vacuoles and lumens (original magnification ×400).

Xu Jinghong, et al. Diagn Pathol. 2011;6:21-21.

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