Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0027651 (tumor)
 685,946 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

BALB/c mice bearing subcutaneous ADJ-PC5 myelomas had hematologic findings suggestive of a preleukemic syndrome: thrombocytopenia, anemia, leukocytosis, and megakaryocytic hyperplasia. Six BALB/c myelomas were successfully transplanted sc by fragments or cell suspensions of spleens from mice bearing a subcutaneous tumor, though typical myeloma cells were difficult to visualize by light microscopy in these spleens. The fidelity of transmission of the ADJ-PC5 myeloma by this procedure was shown by the retention of idiotypic specificity of the immunoglobulin produced by the tumor in a radioimmunoassay. The tumorigenic cell that homed to the spleen was apparent as early as 8 days after sc transplantation of the myeloma. The spleens of tumor-bearing mice, however, could destroy or suppress the expansion or growth of a limited number of cells that had migrated to the spleens. Tumorigenic cells present in the peripheral circulation constituted 2-3% of the leukocytes. These cells, however, had reduced levels of the murine myeloma viral and cell-associated antigens, were difficult to detect by an indirect immunofluorescence assay, and did not rapidly divide in this environment, as indicated by the very low number of cells detected by autoradiography.
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PMID:Circulating tumor cells in murine myeloma. 84 99

Thirty patients with bronchogenic carcinoma underwent an 8 week course of induction therapy consisting of cyclophosphamide, methotrexate, vincristine, and VP 16-213 (NSC 141 540). Those who achieved objective remission or tumor stabilization were then placed on an intermittent treatment schedule with the same drugs. Of the 30 patients, 17 had an objective response, 5 were unchanged and 8 progressed. Responses were more frequent in anaplastic carcinoma (13/19) than epidermoid or adenocarcinoma (4/11). The toxicity mainly consisted of leukopenia, thrombopenia, alopecia, nausea and vomiting. The implications of these findings in the planning of further chemotherapeutic programs are discussed.
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PMID:[VP 16-213 in combination with endoxan, methotrexate and oncovin as polychemotherapy for bronchogenic carcinoma]. 87 37

Thirty patients with bronchogenic carcinoma were treated with an 8-week induction therapy consisting of cyclophosphamide, methotrexate, vincristine and VP 16-213 (NSC 141 540). Those who achieved objective remission of tumor stabilization were then placed on an intermittent treatment schedule with the same drugs. Of the 30 patients, 17 had an objective response, 5 remained without change, and 8 progressed. Responses were more frequent among anaplastic (13/19) than epidermoid or adenocarcinoma (4/11). The toxicity consisted mainly of leucopenia, thrombopenia, alopecia, nausea and vomiting. The implications of these findings in the planning of further chemotherapeutic programs are discussed.
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PMID:A combination of cyclophosphamide, methotrexate, vincristine and VP 16-213 (NSC 141 540) in the treatment of bronchogenic carcinoma. 89 87

Because 1,2:5,6-dianhydrogalactitol (NSC-132313 (DAG; the main conversion reaction product of the treatment of dibromodulcitol by mild akali or human serum) showed considerable antitumor activity in various mouse and rat tumor systems, a phase I study in 50 patients was conducted with five daily iv treatments repeated every 6 weeks. Thrombocytopenia was the dose-limiting toxicity. At a dose of 40 mg/m2/day for 5 days, the median platelet nadir was 31,000/mm3 and occurred on day 20; the plate count returned to normal within 8 days. At the same dose, the median white blood cell (WBC) nadir was 2,300/mm3 also on day 20-, the WBC count returned to normal within 7 days. Anemia, nausea, and vomiting were usually mild to moderate. No renal, hepatic, central nervous system, cardiac, or pulmonary toxicity was identified. Antitumor effects of DAG were observed in patients with renal, bladder, and small-cell lung cancers. An iv dose of 20-30 mg/m2/day for 5 consecutive days, repeated every 5-6 weeks, was recommended for phase II studies.
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PMID:Phase I study of a five-day intermittent schedule for 1,2:5,6-dianhydrogalactitol (NSC-132313). 94 54

CCNU (1-[2-chloroethyl]-3-cyclohexyl-1-nitrosourea, NSC-79037) was used to treat advanced malignancies in 329 evaluable patients. The treatment dosage was 130 mg/m2 for patients with adequate bone marrow reserve and 100 mg/m2 for those with compromised bone marrow. Oral treatment was repeated at 6-week intervals unless hematologic toxicity intervened. There were four complete responses: two in ovarian cancer, one with small cell carcinoma of the lung, and one with melanoma. Tumor response greater than 50% reduction in tumor size occurred in 39 patients (11.9%) while stable disease (no change or decrease or increase of less than 50% in tumor size) was noted in 152 patients (46.2%). Tumor progression occurred in 130 cases. Melanomas and ovarian and lung cancers had the highest response rates. Bone marrow depression was the major side effect of treatment; there was a significant positive correlation between the severity of leukopenia and thrombocytopenia and tumor response to treatment.
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PMID:Treatment of advanced malignancy with CCNU (NSC 79037): a phase II cooperative study with long-term follow up. 95 55

A case of splenectomy with thrombocytopenia but without hypersplenism is described. The etiology, proven by splenectomy, was a splenic angioma. The isotopic examinations necessary to localize the site of a vascular tumor and the relations between thrombocytopenia and hemangioma are discussed.
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PMID:[Splenic angioma with thrombocytopenia]. 98 17

One hundred and two previously treated lymphoma patients were studied with 111Indium bone marrow scans and bone marrow biopsies. The biopsies were considered to represent sampling errors when the cellularity of the biopsy did not reflect the general state of the marrow organ cellularity as demonstrated by the scan. In each instance the accuracy of the scan was confirmed by either another biopsy or the subsequent clinical course of the patient. Sampling errors were infrequent (1/51) in patients with normal peripheral blood counts and whose marrow had never been involved with tumor. Errors were especially likely (17/51) in patients who had had marrow involvement or those who had anemia, leukopenia, or thrombocytopenia. The 111Indium bone marrow scan allows the clinician to avoid selecting a biopsy site with a high risk for sampling error.
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PMID:Indium bone marrow scintigraphy as an aid in selecting marrow biopsy sites for the evaluation of marrow elements in patients with lymphoma. 99 Oct 76

A 14-year-old youth had a 2 month history of proptosis of the left eye when he developed pain in the left thigh. Physical examination revealed a mass involving the left orbit and a neurologic deficit suggestive of involvement of the left lumbosacral plexus. The mass, a left frontal epidural tumor, was removed surgically. Subsequently, he developed marked anemia, thrombocytopenia, and acute granulocytic leukemia. He was treated with various anticancer agents but he did not respond well and he expired two months later. Postmortem examination revealed anaplatic granulocytic cells infiltrating numerous tissues including the conjunctiva, choroid, and leptomeninges. Marked degenerative changes of the left retina and bilateral papilledema were evident.
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PMID:Granulocytic sarcoma of the orbit. Report of a case. 105 15

In two case of aorthochromatic anaemia refractory to treatment with granulocytopenia and thrombocytopenia without significant enlargement of abdominal viscera a hypothesis of uncontrolled proliferation involving proerythroblasts is put forward on the basis of bone marrow findings. This proliferation seems to be confined to a single focus-bone marrow, without evidence of peripheral dissemination. Profound dysplastic changes of proerythroblasts are suggestive of neoplastic growth.
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PMID:[Neoplastic variant of acute erythroblastotis--proerythroblastoma]. 106 8

Two patients with Wegener's granulomatosis have been treated with chlorambucil and prednisolone continuosly for 3 and 5 years, respectively. This treatment was effective in controlling the disease, but bone marrow toxicity with severe pancytopenia developed in both cases. Both patients died from thrombocytopenia with haemorrhagic pericarditis. In one case, the diagnosis of acute myeloid leukaemia was established from the appearance of myeloblasts in the peripheral blood and from characteristic bone marrow morphology. In the other case this diagnosis was strongly suspected on the basis of the bone marrow morphology alone. It is proposed that this development of acute leukaemia in two patients with a primary non-neoplastic disease may result from a direct carcinogenic action of chlorambucil in humans.
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PMID:Acute myeloid leukemia appearing in two patients after prolonged continuous chlorambucil treatment for Wegener's granulomatosis. 106 90


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