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Biomedical subjects

H C Oppermann

Publications and source records attributed to H C Oppermann.

50 records · Page 3Linked to original sources

[Lymphangiomatosis of bone in childhood (author's transl)].

Lymphangiomatosis of bone is a very rare congenital malformation of lymph vessels. So far 60 patients have been described with this disease (43 children, 17 adults). Radiologically the lymphangiomatous skeletal changes usually consist of circumscribed areas of uni- or multi-focal osteolysis. They may remain asymptomatic for years; in a few cases intrathoracic chylous effusions or pathological fractures have occurred. The protean radiological appearances of bone lymphangiomatosis are illustrated by four children. The differential diagnosis is discussed in detail.

Bone Neoplasms↗

[Unusual skeletal changes in acute lymphoblastic leukemia in children (author's transl)].

During the early phase of their disease three children with acute lymphoblastic leukemia showed unusual skeletal changes radiologically. Mainly osteolysis in the lower jaw, opacity of the sinus, decreased hight of the vertebrae, and a unilateral necrosis of the head of the femur. These skeletal alterations are much more common in other diseases than in acute lymphoblastic leukemia.

Bone Diseases↗

[A new bile contrast in pediatrics (author's transl)].

Biligram was used for 42 cholegraphies in children aged 2 months to 15 years. A 35% concentration of Biligram was given as intravenous injection in 14 children, a 17% or 3,4% concentration as an intravenous infusion in 16 or 12 patients, respectively. The quality of x-ray films with both Biligram 35% and 17% was equally good whereas Biligram 3,4% gave a weak contrast only. The best time for taking films was 30 and 60 min after injection of Biligram. Allergic reactions or an effect on liver enzymes were not observed.

Biliary Tract Diseases↗

[X-ray diagnosis and differential diagnosis of mediastinal tumors in childhood (author's transl)].

Symptoms, microscopy and frequency of mediastinal tumors in children are different from those in adults. The radiologic diagnosis of mediastinal tumors depends on evaluation of tumor site, density, and shape. Demonstration of calcifications or bony elements in combination with skeletal anomalies or destructions, pleural effusions, and differentiation of cystic and solid tumors are helpful. The radiologic criteria are also very important regarding prognosis and therapy. Many diagnostic methods are available. The venocavography and computer tomography are especially helpful.--We studied 184 mediastinal tumors in children and will discuss them according to topographic aspects; emphasis will be placed on differential diagnosis and the possibilities of diagnostic failure.

Age Factors↗

Group B streptococci: a new threat to the newborn.

8 newborns with early onset group B streptococcal infection and two patients with late onset meningitis were observed during a period of three years. Respiratory distress, early onset of apnoic spells, and roentgenographic signs of hyaline membrane disease or perinatal pneumonia may lead to early diagnosis, especially if shock develops. The fatal course can only be prevented by prompt antibiotic treatment.

Female↗

Bronchopulmonary dysplasia in premature infants. A radiological and pathological correlation.

In a group of 70 premature and newborn infants, treated with artificial ventilation, 24.3% developed bronchopulmonary dysplasia (BPD). Only in a very few cases did the typical radiological stages, as described by Northway, succeed each other in a chronological order. It is impossible to differentiate BPD stage I or II from RDS stage III and IV without a knowledge of the clinical course and of the duration of artificial ventilation. The lower the gestational age, the more severe and earlier do the radiological and histological changes occur. The radiological differential diagnosis of BPD includes Wilson-Mikity-syndrome, congenital pulmonary lymphangiectasia, neonatal tuberculosis, cystic fibrosis and Hamman-Rich-syndrome.

Bronchial Diseases↗

[Intravenous cholangio-cystography during childhood (author's transl)].

Twenty-five intravenous cholangio-cystograms were carried out in children aged 2 to 15 years (10 by injection, 15 by infusion). Total bilirubin, GOT, GPT, GLDH and alkaline phosphatase were determined before and after injection of the contrast medium. The contrast media used were "Biligram for infusion" (17%) and "biligram for injection" (35%). Contrast dose per kilo body weight depends on the age of the patient: a) For infusion: infants 1.6 ml/kg/KG, small children 1.2 ml/kgKG, older children 0.8 ml/kg/KG. b) for injection: infants 0.8 ml/kg/KG, small children 0.6 ml/kg/KG, older children 0.4 ml/kg/KG. Both methods, in the above doses, provided good demonstration of the biliary tree and gall bladder. Films were taken at 30 minutes, 60 minutes and 90 minutes after the end of the injection, and 40 minutes after a fatty meal. No allergic reactions were observed, nor any effect on the liver enzymes.

Administration, Intranasal↗

[Hyaline membrane disease: pulmonary changes and complications during ventilatory assistance in preterm infants (authors transl)].

The changing pattern of hyaline membrane disease and its iatrogenic complications during respiratory treatment are reviewed. The typical roentgenologic symptoms of pulmonary interstitial emphysema, pseudocyst, pneumomediastinum, pneumoperitoneum, pneumothorax, pneumopericardium, bronchopulmonary dysplasia and pulmonary heamorrhage are described and illustrated. Their relevance for clinical management is discussed.

Hemorrhage↗

[Craniometaphyseal dysplasia--characteristic roentgen findings].

Craniometaphyseal dysplasia is a rare disorder of bone remodeling, which is characterized by hyperostosis or sclerosis of the skull combined with metaphyseal flaring of the long tubular bones. Diagnosis is only possible on the basis of the characteristic radiographic findings, these are shown in a case report of a 2 1/2 year old boy. There is no therapy of craniometaphyseal dysplasia.

Bone and Bones↗

Short rib-polydactyly syndrome type III: comparison of ultrasound, radiology, and pathology findings.

Short rib-polydactyly syndrome (SRPS; types I-IV) is an autosomal recessive, lethal skeletal dysplasia characterized by short-limb dysplasia, narrow thorax, and polydactyly. This syndrome is invariable and can be detected by 2-trimester ultrasound. The underlying gene has not been discovered yet. We report a case of SRPS subtype III Verma-Naumoff-Le Marec that was sonographically detected at 20 weeks' gestation and compare prenatal ultrasound with postmortem findings from pathology and radiology. Since the risk of recurrence is 25%, early ultrasound for consecutive pregnancies was advised and performed at 11+6 weeks' gestation in the following pregnancy without any findings. Ultrasound diagnosis in this rare case of SRPS is a valuable tool for identification and early management, since there are no specific biochemical or histopathological markers for this syndrome. Radiological and pathological findings confirmed SRPS type III and assisted in the differential diagnosis of the subtype.

Adult↗