Jason Koshy

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Anaerobiospirillum succiniciproducens is an uncommon yet potentially lethal gram-negative bacterium typically affecting patients with comorbidities. We report a case of A. succiniciproducens infection in an autopsy patient who had hepatitis C and type 2 diabetes and describe the difficulties in the laboratory identification of this pathogen.
BACKGROUND Granular cell tumors (GCT) formerly known as Abrikossoff tumor or granular cell myoblastoma, are rare neoplasms encountered in the fine needle aspiration (FNA) service. Named because of their highly granular cytoplasm which is invariably positive for the S-100 antibody, the classic GCT is thought to be of neural origin. The cytomorphological(More)
Acute promyelocytic leukemia (APL) is a well-defined subtype of acute myeloid leukemia (AML) specifically characterized by the t(15;17)(q22;q12) translocation. The t(15;17) results in the fusion of the promyelocytic leukemia (PML) and retinoic acid receptor alpha (RARA) genes. Rare cryptic fusions often associated with small genomic insertions can best be(More)
Composite lymphoma (CL) refers to the presence of two or more distinct types of lymphomas in a single organ or tissue. CL is an infrequent finding and may be due to the existence of two genetically related neoplasms, i.e. transformation of a single lymphoma into another lymphoma, or be due to the presence of two clonally unrelated lymphomas. CL composed of(More)
Myeloproliferative neoplasms (MPNs) are traditionally separated into BCR-ABL-positive chronic myeloid leukemia (CML), and BCR-ABL-negative MPNs including primary myelofibrosis (PMF), essential thrombocythemia (ET), and so forth. One of the diagnostic requirements for PMF and ET is the absence of the Philadelphia chromosome, while its presence is almost(More)
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