Bone marrow granulomatosis: two case reports

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Giacomo Andreani *
Alessandro Morotti
Matteo Dragani
Francesca Caciolli
Bruna Crea
Valerio Marci
Ubaldo Familiari
Angelo Guerrasio
(*) Corresponding Author:
Giacomo Andreani |


Bone marrow granulomatosis is not a common finding and remains a diagnostic challenge. Here below we report two bizarre but not so rare cases of bone marrow granulomatosis: bone marrow involvement by Mycobacterium avium-intracellulare and reaction to intravesical administration of Bacillus Calmette-Guérin for non-muscle-invasive bladder cancer; two distinct culprits suggesting the wide range of possible causative factors of this histopathological pattern. In the discussion we provide a brief overview of causes and suggestions for a diagnostic approach.

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