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Biomedical subjects

A Ruprecht

Publications and source records attributed to A Ruprecht.

At least 19 recordsLinked to original sources
PubMed1991

Asymptomatic, radiologically detected chondrometaplasia in the temporomandibular joint.

Asymptomatic loose bodies were detected in the temporomandibular joint of a 62-year-old woman during an examination before comprehensive dental care. The radiologic interpretation was synovial chondrometaplasia (synovial osteochondromatosis). A histologic diagnosis was not obtained, because surgery was unwarranted in view of the lack of symptoms and the benign differential diagnosis. Review of the literature revealed 62 reported cases of temporomandibular joint chondrometaplasia, all of which included one or more of the following: swelling, pain, joint noise, and limited mandibular movement. These reports have described this entity as a rare lesion, but the rate of reports has increased, perhaps because of greater practitioner awareness and increased sensitivity of diagnostic tests.

Chondromatosis, Synovial↗
PubMed1991

The nasopharynx in oral and maxillofacial radiology. I. Benign lesions.

This is not a comprehensive review of all benign lesions that can be found in the nasopharynx, but merely a review of the relationship of the nasopharynx to its surroundings. It is also a reminder of the need for the oral and maxillofacial radiologist to be familiar with this area, because it often appears on radiographs made for other purposes, or to investigate problems that have extended to and from the nasopharynx and the oral and maxillofacial region.

Adenoids↗
PubMed1991

Transcranial radiography and linear tomography: a comparative study.

There is continual controversy concerning the use of radiographs to determine the position of the mandibular condyle within the glenoid fossa for the diagnosis and treatment of temporomandibular disorders. This study compared joint space measurements from transcranial radiographs and linear tomographs with the anatomic joint space to determine whether condylar position could be accurately recorded radiographically. Anterior, superior, and posterior joint space dimensions were measured from projected radiographs with a sonic digitizer, whereas anatomic joint space dimensions were recorded from the thickness of polyether impressions of the joint space. Posterior/anterior joint space ratios were used to classify relative condylar position as anterior, concentric, or posterior. The Pearson correlations (alpha = 0.05) were calculated to determine the consistency between radiographic and anatomic joint space ratios. The corrected and standard transcranial projections did not accurately reproduce the anatomic joint spaces or the relative condylar positions. Only the corrected tomographic projection accurately reflected the condyle-fossa relationships.

Arthrography↗
PubMed1979

Undiagnosed intrusion of a lateral incisor following trauma.

The need to account for teeth missing after a traumatic episode, and the need for radiologic methods of investigation of the oral, perioral, and respiratory areas into which teeth may lodge are discussed. A patient with undiagnosed traumatic intrusion of a lateral incisor is presented in whose case routine radiographic investigation before restorative treatment planning revealed the tooth in the maxilla. If such teeth are not removed, respiratory distress or abscess, or delayed healing may complicate recovery.

Accidents, Traffic↗