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. 2020 Dec;16(4):200221.
doi: 10.1183/20734735.0221-2020.

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Zohaib Yousaf  1 , Muhammad Bilal Jamshaid  1 , Dawlat Khan  1 , Khaled A Murshed  1 , Huma Munir  2
Affiliations

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Zohaib Yousaf et al. Breathe (Sheff). 2020 Dec.

Abstract

Black pleural effusion is a rare entity and may be a diagnostic dilemma. This interactive case discusses the various steps involved to reach the diagnosis. https://bit.ly/3dFJPTS.

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Conflict of interest statement

Conflict of interest: Z. Yousaf has nothing to disclose. Conflict of interest: M.B. Jamshaid has nothing to disclose. Conflict of interest: D. Khan has nothing to disclose. Conflict of interest: K.A. Murshed has nothing to disclose. Conflict of interest: H. Munir has nothing to disclose.

Figures

Figure 1
Figure 1
Chest radiograph depicting right-sided pleural effusion.
Figure 2
Figure 2
Chest radiograph depicting right-sided pneumothorax.
Figure 3
Figure 3
Chest radiograph showing a right-sided chest tube and partial lung re-expansion.
Figure 4
Figure 4
Chest CT.
Figure 5
Figure 5
Black-coloured pleural fluid draining from the chest tube.
Figure 6
Figure 6
Histopathology slides. a) Poorly differentiated tumour arranged in solid sheets (haematoxylin and eosin stain, magnification x100). b) Highly pleomorphic tumour cells with brisk mitotic activity (haematoxylin and eosin stain x400). c) Immunoreactive for CK-7 (immunohistochemistry x100). d) Negative for CK-20 (immunohistochemistry x100). e) Negative for TTF-1 (immunohistochemistry x200). f) Negative for napsin-A (immunohistochemistry x100).
See this image and copyright information in PMC

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