File:Malakoplakia Case 189 (5938811082).jpg
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Summary
[edit]DescriptionMalakoplakia Case 189 (5938811082).jpg |
Malakoplakia, a condition often associated with immunodeficiency and characterized by abnormal macrophage function consists of sheets of large histiocytes in response to a bacterial infection. It represents a relatively ineffective inflammatory response because of persistence of bacteria and/or bacterial degradation products within the histiocytes. In the lungs it is almost always caused by infection with Rhodococcus equi but it may be caused by other bacteria. Malakoplakia is morphologically very similar to Mycobacterium avium complex infection in AIDS patients and to Whipples disease and lepromatous leprosy. The distinguishing and diagnostic feature of malakoplakia is the presence of small intracellular concentrically calcified structures called Michaelis-Gutman bodies (MG bodies). MG bodies also contain stainable iron. Intracytoplasmic calcifications not having the typical appearance of MG bodies may also be present. The arrowheads point to intracytoplasmic calcifications that are not diagnostic of MG bodies but are probably related to them. |
Date | |
Source | Malakoplakia Case 189 |
Author | Yale Rosen from USA |
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This image was originally posted to Flickr by Pulmonary Pathology at https://flickr.com/photos/30950973@N03/5938811082 (archive). It was reviewed on 3 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
3 October 2019
Category:Files_from_Yale_Rosen_Flickr_stream
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current | 11:18, 3 October 2019 | 2,560 × 1,920 (1.24 MB) | Netha Hussain (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | NIKON |
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Camera model | DS-Fi1-L2 |
Exposure time | 1/15 sec (0.066666666666667) |
Date and time of data generation | 15:16, 9 June 2011 |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | ACD Systems Digital Imaging |
File change date and time | 15:51, 14 July 2011 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.1 |
Date and time of digitizing | 15:16, 9 June 2011 |
Meaning of each component |
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Metering mode | Average |
DateTime subseconds | 750 |
DateTimeOriginal subseconds | 0 |
DateTimeDigitized subseconds | 0 |
Supported Flashpix version | 1 |
Color space | sRGB |
IIM version | 2 |