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Biomedical subjects

L Kreel

Publications and source records attributed to L Kreel.

At least 73 records · Page 4Linked to original sources

A liver mass.

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Colonic Neoplasms↗

Bowel tumour.

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Adenocarcinoma↗

Glomus tumour of the hallux: diagnosis by Doppler-shift ultrasound and digital subtraction angiography.

A case is presented of a glomangioma with typical history and clinical findings, proven by operation and histology. Unique radiographic features are demonstrated including visualization of the tumour on a soft tissue radiograph and associated hyperaemic bone changes, continuous wave Doppler results indicating hyperaemia and an arterio-venous malformation, and the clear demonstration of the tumour in both frontal and lateral views was possible by intra-arterial digital subtraction angiography (DSA) under local anaesthesia. Fibrous dysplasia of a femur was an incidental finding.

Adolescent↗

Hypothyroidism as a correlate of lateral ventricular enlargement in manic-depressive and neurotic illness.

Lateral ventricular size, as assessed by computed tomography, was not significantly greater in manic-depressive cases than in neurotic patients, but 19% of manic-depressive cases had ventricular brain ratios (VBR) more than two standard deviations above the neurotic mean. Few correlates of VBR were found in the features of the illness and the treatment given, apart from the fact that in the outpatient sample, there was a significant association between increased VBR and hypothyroidism. Hypothyroidism was relatively common in this sample, but was treated and not associated with cognitive impairment. There was no relationship between lithium administration and VBR.

Aged↗

Lateral ventricular size in schizophrenia: relationship to the disease process and its clinical manifestations.

Using computed tomography, lateral ventricular size was studied in a sample of 112 institutionalized chronic schizophrenic patients (selected from 510 cases to investigate the correlates of the defect state and intellectual decline and the effects of insulin, electroconvulsive and neuroleptic treatment), and compared with matched groups of non-institutionalized schizophrenics, patients with first schizophrenic episodes, institutionalized and non-institutionalized patients with primary affective disorder, and neurotic out-patients. Age was significantly correlated (P less than 0.0002) with lateral ventricular size, but the institutionalized schizophrenic patients had significantly larger (P less than 0.025) lateral ventricles than the neurotics when age was taken into account. Ventricular enlargement was unrelated to past physical treatment (neuroleptics, insulin coma and electroconvulsive therapy). Within the group of institutionalized schizophrenic patients few correlates of ventricular enlargement were identified; thus in this population increased ventricular size was not clearly associated with the features of the defect state (negative symptoms and intellectual impairment). However, there was a curvilinear (inverted-U) relationship between intellectual function and ventricular size. Increased ventricular size was significantly related to absence of hallucinations, impairment of social behaviour, inactivity and the presence of abnormal involuntary movements. The findings confirm that structural brain changes do occur in chronic schizophrenia, but illustrate some of the difficulties in elucidating the clinical significance of ventricular enlargement. Lateral ventricular size is strongly age-related and the distribution in chronic schizophrenia is skewed and not bimodal; the relationship to particular features of the disease is complex and likely to emerge only in studies with a large sample size.

Adult↗

Gallstone ileus.

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Cholelithiasis↗

Splenic abscess.

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Abscess↗