The presence of foam cells in the bone marrow, generally demonstrated by bone-marrow aspiration or biopsy. Foam cells have a vacuolated appearance due to the presence of complex lipid deposits, giving them a foamy or soap-suds appearance.
CNS foam cells
Foam cells with lamellar inclusion bodies
Granulomatosis +
Hemophagocytosis +
Hepatic foam cells
Histiocytosis +
Michaelis-Gutmann bodies
Renal glomerular foam cells
Renal interstitial foam cells
Sea-blue histiocytosis
Synonyms
Exact Synonyms:
Large vacuolated foam cells ('NP cells') on bone marrow biopsy
;
Large vacuolated foam cells on bone marrow biopsy