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Biomedical subjects

R Drommer

Publications and source records attributed to R Drommer.

16 recordsLinked to original sources
PubMed1989

[Realtime sonography].

Between March 1985 and March 1988 109 patients with tumours of the oral cavity and the oropharyngeal region underwent 123 examinations by orthopantomography and realtime sonography for primary staging and/or diagnosis of a recurrent disease. In 105 cases the preoperative results could be compared to intraoperative and histopathological findings. Realtime sonography as a noninvasive, inexpensive and efficient method offered the ideal diagnostic adjunct to the orthopantomogram. Not only size, shape and structure of the soft tissue tumour could be accurately defined; whatsmore it was possible to demonstrate its relation to bony structures and to a high degree of sensitivity cortical invasion and periosteal reaction. The limitations of the method especially the risk of false positive findings after invasive diagnostic and therapeutic procedures are pointed out.

Humans↗
PubMed1981

The stabilization of osteotomized maxillary segments with Luhr mini-plates in secondary cleft surgery.

This is a report on growth disturbance in the facial skeleton in patients with lip and palate, and on the possibilities for their secondary correction. Experience shows that extensive operative intervention in the maxilla and cartilaginous nasal skeleton in early childhood increases the probability of malformation of the mid-face in this group of patients. In order to correct facial deformities, mid-facial osteotomies with considerable displacement of the osteotomized segments are necessary. Functionally stable fixation of the bone segments has been performed so far in 17 patients undergoing Le Fort I osteotomies and on two patients undergoing Le Fort III osteotomies, utilizing the Luhr mini-plate-system. Information is given concerning the techniques and procedures, and on experience to date.

Adult↗
PubMed1980

The excretion of hydroxyproline in urine during the healing of fractures and after sagittal splitting of the mandible.

Total excretion of hydroxyproline was measured in patients with fractures of long bones and in patients undergoing sagittal splitting of the mandible. In both patient groups excretion of hydroxyproline was twice that of normal healthy subjects. The amount of excreted hydroxyproline in patients with fractures was related to the site of the fracture, to the age of the patient, and the form of therapy. The excretion of hydroxyproline was found to be variable after wire adaptation of mandiblular osteotomy segments and after sagittal splitting without wire adaptation. Quantitative analysis of the excretion of hydroxyproline in urine does not therefore permit conclusions about the bone healing process.

Adolescent↗
PubMed1979

Selective angiographic studies prior to Le Fort I osteotomy in patients with cleft lip and palate.

In 12 adult patients with cleft lip and palate, external carotid arteriograms were performed. The arterial blood supply to the maxilla, before forward movement by Le Fort I osteotomy was demonstrated. In 14 instances the descending palatine artery and its branches were found to be free from pathological changes. In 10 instances the calibre of the palatine artery was considerably diminished. Clinical experience shows, that after multiple operations for cleft palate, osteotomy of the maxilla with forward movement, can cause circulatory disturbance in the mobilized segments. Such complications can be avoided by the proper choice of procedure. The selective carotid angiogram demonstrates the arterial blood supply to the maxilla and aids in planning correction of the hypoplastic mid-face.

Adolescent↗
PubMed1979

[Cervical syndrome].

The cervical syndrome is described and the possibility of facial pain. Pathologic changes in the anatomical buildup of the cervical spine with its nerve and vascular systems may cause symptoms which may not be recognized for their relationship to the cervical spine. There are no anatomical nervous connections between the maxillofacial and the cervical region, and yet there is evidence of maxillofacial pain caused by cervical factors. The dentist must often answer questions of this nature. The therapy of cervical disease is difficult and requires knowledge, experience and intuition from the treating physician.

Face↗
PubMed1979

[Diagnosis, classification and therapy of cysts in the maxillary sinus region].

Cysts in the vicinity of maxillary sinuses pose special problems. In diagnosing them, it must be considered that pathophysiological processes must be considered common to both. The therapy demands knowledge of the physiology of the same anatomical sector plus considerations pertaining to the later necessary seat of the maxillary prosthesis. Methods of diagnosis and therapy are shown.

Cysts↗
PubMed1979

[Urinary excretion of hydroxyproline during the healing period of bone fractures (author's transl)].

This article refers to the total hydroxyproline excretion during the healing period of bone fractures. The hydroxyprolyne excretion is twice as high in patients with fractures than in persons in good health. Its amount depends on the localisation of the fracture and the therapy chosen as well as the age of the patient. However, no significant therapeutic conclusions can be drawn from the quantitative analysis of hydroxyproline during the healing period of the bone fracture as far as the course of stabilization of the fracture is concerned.

Adolescent↗
PubMed1978

Localized nodular synovitis of the temporomandibular joint. A case report.

A case of localized nodular synovitis of the temporomandibular joint is described and discussed. There are no cases previously reported in the literature. The distinction between synovitis of the villo-nodular type and that of the localized nodular type can be made, given the close collaboration of clinician and pathologist. The recognition of these to clinical entities of nearly similar histomorphological pattern is of great importance, as they differ in clinical course, treatment and prognosis.

Diagnosis, Differential↗