A diagnosis of non-neuronopathic and late-onset acid sphingomyelinase deficiency (Niemann-Pick disease A/B) following bone marrow biopsy showing foamy histiocytosis
1 Department of Pathology and Laboratory Medicine Weill Cornell Medical College New York New York USA.
2 Department of Pediatrics, Metabolism and Genetics Vagelos College of Physicians and Surgeons Columbia University Medical Center New York New York USA.
3 Department of Medicine Division of Gastroenterology and Hepatology Weill Cornell Medical College New York New York USA.
4 Department of Medicine Division of Hematology and Oncology Weill Cornell Medical College New York New York USA.