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Case Reports
. 2021 Aug 12;16(10):3072-3075.
doi: 10.1016/j.radcr.2021.07.048. eCollection 2021 Oct.

Primary pleural epithelioid angiosarcoma manifesting as a loculated hemothorax: A case report and literature review focusing on CT findings

Jeong Joo Woo  1 , Yongsang Kim  1 , Jin Kyung An  1 , Hojung Lee  2
Affiliations
Case Reports

Primary pleural epithelioid angiosarcoma manifesting as a loculated hemothorax: A case report and literature review focusing on CT findings

Jeong Joo Woo et al. Radiol Case Rep. .

Erratum in

Abstract

Primary pleural angiosarcoma (PPA) is an extremely rare and clinically aggressive tumor. We report the case of a 66-year-old man having PPA with chest computed tomography (CT) scan showing a large oval-shaped, nonenhancing high attenuation cystic mass in the left hemithorax. Morphological and immunohistochemical findings supported the diagnosis of epithelioid angiosarcoma. Pleural angiosarcoma should be considered in the differential diagnosis of spontaneous hemothorax manifesting as high attenuation loculated pleural fluid on CT.

Keywords: Angiosarcoma; CT; Hemothorax; Pleura; Pyothorax.

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Figures

Fig 1 –
Fig. 1
Enhanced chest computed tomography (CT) for initial workup of the left pleural effusion (A, B, C) shows heterogeneous attenuation (mean 55 HU) of left pleural fluid (A), diffusely and evenly thickened left pleura with a few nodular pleural calcification (B), and small soft tissue mass-like density (arrows) medial to pleural mass (C).
Fig 2 –
Fig. 2
Enhanced chest computed tomography (CT) (A, B, C) for follow up after 4 months was done. No significant changes were observed of the amount of the left pleural fluid (A). However, the size of the soft tissue mass (arrows) at the left pleura and the retrocardiac space (B) was increased and new soft tissue lesion (arrows) was detected at the lowermost portion of left pleura (C). Positron emission tomography-computed tomography (PETCT) (D) revealed hypermetabolism at the pleural masses and subcarinal node .
Fig 3 –
Fig. 3
The angiosarcoma tissues were stained with hematoxylin (A) and eosin and analyzed by immunohistochemistry. The tumor cells were strongly positive for CD34 (B).
See this image and copyright information in PMC

References

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