Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0023418 (leukemia)
 93,477 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 5(3/12)-year-old boy with Philadelphia chromosome (+) pre-B acute lymphoblastic leukemia (ALL) without extramedullary involvement did not achieve remission after induction therapy. His family stopped therapy, but he was readmitted eight months later due to pyoderma, pneumonia and active leukemia with leukocytosis. During cytoreductive and antibiotic therapy, he developed progressive abdominal distension, pain, globe vesicale, tachypnea, and respiratory alkalosis. Bowel sounds could not be auscultated. Dilation, mainly in the large intestine, was detected radiologically. His neurological examination revealed absence of superficial reflexes and hypoesthesia along with normal motor strength and deep tendon reflexes in the lower extremities, consistent with conus medullaris syndrome, which was thought to give rise to acute colonic pseudo-obstruction.
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PMID:Conus medullaris syndrome and acute colonic pseudoobstruction in a child with acute lymphoblastic leukemia. 2227 64

The arterivirus lactate dehydrogenase-elevating virus (LDV) causes life-long viremia in mice. Although LDV infection generally does not cause disease, infected mice that are homozygous for the Fv1(n) allele are prone to develop poliomyelitis when immunosuppressed, a condition known as age-dependent poliomyelitis. The development of age-dependent poliomyelitis requires coinfection with endogenous murine leukemia virus. Even though LDV is a common contaminant of transplantable tumors, clinical signs of poliomyelitis after inadvertent exposure to LDV have not been described in recent literature. In addition, LDV-induced poliomyelitis has not been reported in SCID or ICR mice. Here we describe the occurrence of poliomyelitis in ICR-SCID mice resulting from injection of LDV-contaminated basement membrane matrix. After exposure to LDV, a subset of mice presented with clinical signs including paresis, which was associated with atrophy of the hindlimb musculature, and tachypnea; in addition, some mice died suddenly with or without premonitory signs. Mice presenting within the first 6 mo after infection had regions of spongiosis, neuronal necrosis and astrocytosis of the ventral spinal cord, and less commonly, brainstem. Axonal degeneration of ventral roots prevailed in more chronically infected mice. LDV was identified by RT-PCR in 12 of 15 mice with typical neuropathology; positive antiLDV immunolabeling was identified in all PCR-positive animals (n = 7) tested. Three of 8 mice with neuropathology but no clinical signs were LDV negative by RT-PCR. RT-PCR yielded murine leukemia virus in spinal cords of all mice tested, regardless of clinical presentation or neuropathology.
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PMID:Poliomyelitis in MuLV-infected ICR-SCID mice after injection of basement membrane matrix contaminated with lactate dehydrogenase-elevating virus. 2233 Mar 47

Acute myeloid leukemia is a hemopoietic myeloid stem cell neoplasm. It is the most common acute leukemia affecting adults,and its incidence increases with age. Acute myeloid leukemia is characterized by the rapid growth of abnormal white blood cells that accumulate in the bone marrow and interfere with the production of normal blood cells. As the leukemic cells keep filling the bone marrow, symptoms of the disease started to appear: fatigue, bleeding, increased frequency of infections, and shortness of breath. Cardiac tamponade or pericardial tamponade is an acute medical condition in which the accumulation of pericardial fluid prevents the function of the heart. Signs and symptoms include Beck triad (hypotension, distended neck veins, and muffled heart sounds), paradoxus pulses, tachycardia, tachypnea, and breathlessness. Pericardial effusion and cardiac tamponade are rare and severe complications of leukemia; they often develop during the radiation therapy, chemotherapy, or infections in the course of leukemia. This study sought to assess the fatal cardiac tamponade as the first manifestation of acute myeloid leukemia (AML). We found no reports in the literature linking these 2 clinical entities. Although the patient had no signs or diagnosis of AML previously, this case was remarkable for the rapidly progressive symptoms and the fatal outcome. The pericardial effusion reaccumulated rapidly after its initial drainage; it is a possible explanation that the leukemic cells interfered with cardiac activity or that they decreased their contractility myocytes secreting a toxic essence.
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PMID:Fatal cardiac tamponade as the first manifestation of acute myeloid leukemia. 2470 65

A 12-year-old female domestic short-haired cat was presented due to weight loss, anorexia, and tachypnea. Complete blood count revealed severe anemia, leukocytosis with massive undifferentiated blast cells, and thrombocytopenia. Bone marrow aspiration showed acute myeloid leukemia, subclassified as monoblastic leukemia (M5a) based on the outcomes of the cytochemistry examinations. The SNAP feline leukemia virus (FeLV) and feline immunodeficiency virus (FIV) test using whole blood was negative. In addition, FeLV/FIV proviral polymerase chain reaction test using bone marrow aspirate was also negative. Although the cat was treated with doxorubicin, cytosine arabinoside, and prednisolone, anemia did not improve without blood transfusion. The owner declined further treatment after 2 months, and the cat died a few days later.
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PMID:Acute monoblastic leukemia in a feline leukemia virus-negative cat. 3244 17


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