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Query: UMLS:C0038002 (
splenomegaly
)
9,873
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Generalized adenopathy and
splenomegaly
developed in an 18-year-old youth after a severe tonsillitis followed by headache, tiredness and weight loss for several weeks. Infectious mononucleosis (acute Epstein-Barr virus infection) was confirmed by the demonstration of virus-specific antibodies. A reticulocytosis (24%), decreased haptoglobin concentration (0.6 mg/dl) and increased lactate dehydrogenase activity (657 U/l) indicated marked haemolysis. The bone marrow showed increased erythropoiesis with abnormal maturation. Antibodies against triosephosphate isomerase and against blood group marker "i" were demonstrated in the patient's serum. Antibodies against triosephosphate isomerase from the patient's serum were purified by affinity-chromatography. They strongly reacted with the patient's erythrocytes and under complement activation induced an increased 51Cr liberation from marked erythrocytes. No corresponding effect of anti-i-antibodies was noted at 37 degrees C. With the fall in antibodies against triosephosphate isomerase the haemolysis receded and the patient became free of symptoms after 7 weeks.
Dtsch Med Wochenschr 1990
Sep
21
PMID:[Infectious mononucleosis: hemolysis by autoantibodies against triosephosphate isomerase]. 217 94
Sonographic examination showed spleen involvement in 43 patients with histological evidence of malignant lymphoma. In 23% of these cases the spleen was of normal size and 77% exhibited variable
splenomegaly
. Focal lesions could be seen in 27 patients, 16 exhibiting diffuse, small-nodule transformation of the sonographic parenchymal texture. Hodgkin lymphomas caused both focal (7 of 16) and diffuse (9 of 16), splenic lesions. All non-Hodgkin lymphomas of high-grade malignancy exhibited focal lesions, which are larger than 3 cm in diameter in 11 out of 13 patients. In non-Hodgkin lymphomas of low-grade malignancy, focal sites and diffuse destruction of splenic tissue texture were found, lesions of under 3 cm in diameter (11 of 13) being characteristic of this subtype.
J Clin Ultrasound 1990
Sep
PMID:Sonographic patterns of the affected spleen in malignant lymphoma. 217 Apr 56
We previously showed that neonatal mice inoculated with Moloney murine leukemia virus (M-MuLV) exhibit a preleukemic state characterized by
splenomegaly
and increased numbers of hematopoietic progenitors. An M-MuLV variant with greatly reduced leukemogenic potential, Mo+PyF101 M-MuLV, does not generally induce this preleukemic state. In order to investigate the mechanism involved in M-MuLV induction of preleukemic hyperplasia, we tested the CFU-mixed myeloid and erythroid (CFUmix) from M-MuLV- and Mo+PyF101 M-MuLV-inoculated mice for the presence of virus by antibody staining and for the release of infectious virus. The majority of CFUmix colonies from both M-MuLV- and Mo+PyF101 M-MuLV-inoculated mice contained infectious virus even though M-MuLV-inoculated mice showed elevated levels of CFUmix while the Mo+PyF101 M-MuLV-inoculated mice did not. This indicates that direct infection of hematopoietic progenitors was not sufficient to induce hyperplasia. Rather, hematopoietic hyperplasia may result indirectly from infection of some other cell type.
J Virol 1990
Sep
PMID:Preleukemic hematopoietic hyperplasia induced by Moloney murine leukemia virus is an indirect consequence of viral infection. 220 Aug 91
The spread of drug-resistant organisms and increased international travel makes malaria a disorder of ever-increasing importance. This report reviews those aspects of malaria of surgical relevance. The importance of the spleen in host defence against malaria and other infections makes splenic preservation desirable whenever possible after rupture of the spleen. Tropical
splenomegaly
is caused by an abnormal immune response to malaria and is best managed medically. Careful selection of blood donors is essential to prevent transfusion malaria, and routine antimalarial prophylaxis is indicated for blood recipients in many endemic areas. The risk of postoperative malaria may justify chemoprophylaxis in certain patients.
Br J Surg 1990
Sep
PMID:Surgical aspects of malaria. 220 86
Southern Taiwan experienced a dengue (type 1) outbreak in the autumn of 1988. One hundred and thirteen febrile patients suspected as having dengue infection were seen in the emergency room of the Kaohsiung Medical College Hospital. These patients were recruited for this study. Two hundred and eighty-six sequential serum aspartate transaminase (AST) and alanine transaminase (ALT) data from these patients were analyzed. Data analysis showed serum AST had increased daily and all data were out of normal range from day 6 of the illness. Compared to the AST level on the first day of the illness, the AST level was noted to elevate to an average of 9.25 folds on day 6. The sequential changes of AST were as follows: AST had elevated since the third ill-day in most cases and reached a peak on the 7th or 8th ill-day. It then declined gradually from the 8th ill-day and became normal about 3 weeks later. The changes of ALT level were about the same as AST but had later onset and lower peak. Abdominal sonographic examinations showed thickening of the gall bladder wall,
splenomegaly
and ascites in some patients during acute stage of the illness and recovered completely after patients recovered from the dengue attack. The sequential change of serum transaminase levels and sonographic findings were compatible. These findings may be used as a reference for the differential diagnosis among dengue fever, acute hepatitis and acute cholecystitis.
Gaoxiong Yi Xue Ke Xue Za Zhi 1990
Sep
PMID:Sequential changes of serum transaminase and abdominal sonography in patients with suspected dengue fever. 221 70
Functional and morphometric platelet abnormalities may be influenced by splenectomy and thus contribute to postoperative thrombohaemorrhagic complications, especially in patients with
splenomegaly
and/or platelet defects. We investigated platelet function, platelet secretion, and platelet morphometry before and one week after splenectomy in seven patients with normal platelet production and normal spleen size (Hodgkin's disease) and five patients with
splenomegaly
and platelet abnormalities (4 with myeloproliferative disorders and 1 with chronic myelomonocytic leukemia). Severe postoperative thrombohaemorrhagic complications occurred only in patients with myeloproliferative disorders, although platelet count and mean platelet volume increased in almost all patients after splenectomy. Four patients with myeloproliferative disorders had impaired platelet aggregation before splenectomy that improved in only one patient after surgery. Platelet buoyant density in this patient group was decreased before splenectomy and normalised thereafter. Concomitantly, intraplatelet concentrations of alpha-granular proteins increased. Before splenectomy, there was a positive correlation between platelet density and platelet volume in patients with Hodgkin's disease (r = 0.59, p less than 0.001), but not in patients with myeloproliferative disorders. There was no correlation between platelet density and platelet volume after splenectomy in either patient group. In conclusion, morphometric platelet abnormalities were found in all patients after splenectomy. In patients with myeloproliferative/myelodysplastic disorders, decreased platelet buoyant density normalised and intraplatelet concentrations of alpha-granule proteins were elevated after splenectomy. However, platelet function defects in this patient group were not corrected and may have been a major cause of thrombohaemorrhagic complications in the postoperative period.
Klin Wochenschr 1990
Sep
03
PMID:Influence of splenectomy on platelet morphometry and function. 221 8
A case of leukemoid reaction associated with renal carcinoma is presented. On account of the high leukocyte count and a palpable abdominal mass in the upper left quadrant, interpreted as an
enlarged spleen
, the primary tentative diagnosis was chronic granulocytic leukemia. Abdominal ultrasonographic scan revealed an enlarged left kidney and subsequent nephrectomy revealed a large hypernephroma. Leukemoid reactions associated with malignant disease are described in general with emphasis on the differential diagnosis.
Ugeskr Laeger 1990
Sep
24
PMID:[Leukemoid reaction caused by hypernephroma primary diagnosed as chronic granulocytic leukemia]. 221 21
In chronic lymphocytic leukaemia (CLL), stage A was defined in 1979 as the best prognostic group of the three-stage (A, B, C) classification which was thereafter adopted by an International Workshop on CLL. Recently, the question of whether or not all stage A patients should be treated was raised by authors who described potential harmful effects of treatment among stage A patients and heterogeneity of stage A with respect to survival and disease progression. In this work, we studied the natural history of stage A-CLL in order to determine on which grounds a decision to treat should be made. We performed a prognostic study on 309 untreated stage A-CLL patients enrolled in a randomized clinical trial from 1980 to 1985. Our aim was to segregate a subgroup with a low probability of disease progression and death. We used three endpoints: overall survival (50 deaths), disease progression to stage B or C (78 events) and disease progression to stage C (39 events). Multivariate analyses, using Cox's model, selected nine variables as having a prognostic value for at least one endpoint, namely age, sex, general symptoms, involved axillary lymph node,
splenomegaly
, haemoglobin, platelets, lymphocyte count and bone-marrow infiltration. By considering the three endpoints jointly, we obtained a proposed definition of smouldering CLL based on four variables, namely haemoglobin level, lymphocyte count, the number of enlarged areas and bone-marrow infiltration. However, we did not succeed in better defining smouldering CLL than in a previous proposal, based on haemoglobin level and lymphocyte count. Moreover, whatever the definition used, including other previous works, disease progression within 5 years was still observed for about 10% of patients with smouldering CLL. Future attempts to define smouldering CLL could perhaps benefit from using biological markers.
Br J Haematol 1990
Sep
PMID:Natural history of stage A chronic lymphocytic leukaemia untreated patients. French Cooperative Group on Chronic Lymphocytic Leukaemia. 222 48
The authors analyze the effect of transfusions of 211 thrombocyte concentrates to polytransfused patients in relation to the results of the crossover test between donor and recipient, using the lymphocytotoxic test (LCT). In negative LCT tests the adequate and inadequate effect was 50%. After elimination of non-immune influences (
splenomegaly
, febrile temperature) the percentage of adequate effects rose to 70%. In LCT positive results the effect of administration of thrombocyte concentrates declined to 30%. The authors discuss practical possibilities and ways to select suitable donors to achieve an optimal therapeutic effect of substitution therapy.
Cas Lek Cesk 1990
Sep
14
PMID:[Therapeutic effectiveness of thrombocyte concentrates in relation to the results of the lymphocytotoxicity test]. 222 81
Tropical
splenomegaly
is a pathologic condition due to multiple causes, endemic malaria being the major one. Twenty-eight black patients, 10 males and 18 females, residing in a tropical area, were investigated with US. The morphological features and major diameters of the spleen were studied and the splenic volumetric index (IVS) was calculated. Typical features were the presence of small intraparenchymal calcifications (46%) and the enlargement of splenic vessels, with US wall reinforcement (75%). No nodular lesions were detected, but increased frequency of organ lobulation was observed. A definite and uniform increase in splenic diameters was seen in all cases; IVS in particular was greater than the accepted confidence limit (21.5 +/- 6.5). This characteristic features should help the echographist to recognize this condition for they supply useful clinical information.
Radiol Med 1990
Sep
PMID:[Tropical splenomegaly: echographic picture]. 223 91
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