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. 2023 Mar 28;43(3):222–235. [Article in French] doi: 10.1016/j.annpat.2023.02.007

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© 2023 Published by Elsevier Masson SAS.

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Malakoplakie colique. A. Coupe transversale de la paroi colique montrant une lésion arrondie, mal limitée, jaunâtre dans la paroi colique, sans atteinte de la muqueuse. B. Histiocytes spumeux renfermant des corps de Michaelis-Gutmann (flèches) (HES, × 800) avec un aspect en cible. Ces corps de Michaelis-Gutmann sont colorés par le bleu alcian (C, × 800) et par la coloration de von Kossa (D, × 800).

Colonic malakoplakia. A. Cross section of the colonic wall showing a round, poorly bounded, yellowish lesion in the colonic wall, without mucosal involvement. B. Foamy histiocytes containing Michaelis-Gutmann bodies (arrows) (HES, × 800) with a target-like appearance. These Michaelis-Gutmann bodies are stained with Alcian blue (C, × 800) and with von Kossa stain (D, × 800).