Publications by authors named "Amy Kiamos"

Primary bone lymphoma is a rare type of lymphoma that arises from skeletal tissue. Most cases described are non-Hodgkin's lymphoma with diffuse large B-cell lymphoma being the most common subtype. While it is common for non-Hodgkin's lymphoma to have secondary skeletal system involvement, primary involvement of the skeleton is surprisingly rare.

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Acute promyelocytic leukemia is a form of acute myeloid leukemia (AML) that is characterized by presence of a promyelocytic leukemia-retinoic acid receptor alpha fusion. In most patients, this fusion is detected on conventional karyotype as the t(15;17)(q24.1;q21.

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Extranodal marginal zone lymphoma (EMZL) of mucosa-associated lymphoid tissue (MALT) commonly affects the gastrointestinal (GI) tract but rarely occurs within the colon. Colonic EMZL is a rare diagnosis accounting for 2.5% of EMZL and less than 0.

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Diffuse large B-cell lymphoma (DLBCL) commonly affects the gastrointestinal (GI) tract, although primary DLBCL rarely occurs in the colon. Primary colorectal lymphoma is a surprisingly rare diagnosis, accounting for a minute percentage of GI lymphomas and colorectal malignancies. We present an interesting case of an immunocompromised young adult female who was diagnosed with DLBCL confined to a cecum polyp after she underwent a colonoscopy for a GI bleed.

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Thrombotic storm is a rare hypercoagulable condition characterized by a clinical trigger causing extensive thrombotic events affecting multiple vessels over a short period of time. We present a case of thrombotic storm that developed in a patient who received rituximab therapy. The patient presented to the hospital with dyspnea and shortness of breath and was subsequently diagnosed with extensive thrombotic burden including multiple deep vein thrombi and pulmonary emboli.

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Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening condition that often goes underdiagnosed because of broad and non-specific symptomatology, usually consisting of fever, hepatosplenomegaly, and multiorgan failure. This disorder can be driven by genetic components (primary) or acquired (secondary) causes related to infectious, autoimmune, or malignant processes. HLH pathogenesis derives from overactive and dysregulated immune system responses.

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Hypercalcaemia-induced rhinovirus has only been reported in a single study in children. Here, we report a case of hypercalcaemia in an adult who tested positive for rhinovirus. This patient underwent an extensive evaluation of hypercalcaemia, and it was found to be mediated by an increase in 1,25 hydroxy-vitamin D that could not be attributed to a cause.

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Thrombotic thrombocytopenic purpura (TTP) is a rare, potentially fatal hematologic disorder characterized by microangiopathic hemolytic anemia, thrombocytopenia, and varying signs of visceral ischemia secondary to microvascular thrombosis. TTP is caused by a severe deficiency of ADAMTS13, a protease enzyme responsible for cleaving von Willebrand-factor (vWF) multimers. First-line therapy with plasmapheresis has increased survival rates immensely; however, there are few reported cases that are refractory to standardized treatment.

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An elderly female presented to the emergency department with a right-sided facial droop and headache for two weeks. Investigations revealed poorly controlled diabetes, and the patient was found to be in diabetic ketoacidosis. Maxillofacial computed tomography (CT) demonstrated right postseptal cellulitis with concern for acute invasive fungal sinusitis.

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We present a case of gonococcal septic arthritis of the right hip diagnosed via synovial fluid cultures. Antimicrobial susceptibility testing of the synovial fluid demonstrated susceptibility to tetracycline, ciprofloxacin, cefixime and ceftriaxone. Our patient was initially treated with ceftriaxone and was successfully de-escalated to oral levofloxacin to complete the treatment.

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Cancer of unknown primary is a challenging entity. We present an elderly woman with metastatic cancer of unknown primary despite comprehensive imaging and immunohistochemical analysis. Based on a thorough history, a gastrointestinal source was suspected and a diagnosis of pancreatic cancer concealed within a type IV hiatal hernia was made using multimodal imaging.

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Ventriculitis is a rare intracranial disease with potentially life-threatening consequences. Here, we present a case of acute mastoiditis that progressed to meningitis evolving to ventriculitis. This case was complicated by hydrocephalus that subsequently required the placement of a ventriculoperitoneal shunt.

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