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Biomedical subjects

D Resnick

Publications and source records attributed to D Resnick.

At least 487 records · Page 27Linked to original sources
PubMed1981

Synovial plicae of the knee.

Synovial plicae are remnants of synovial tissue found in the adult knee which in early development partitioned the joint into three compartments. The most common types are the suprapatellar, medial patellar, and infrapatellar plicae. Although they are normally found in up to 60% of adult knees, plicae may become pathologically thickened and symptomatic, resulting in the "plicae syndrome." In addition, persistence of these structures in their embryonic form as complete septa may give rise to a variety of intra-articular compartmental syndromes, medial patellar, and infrapatellar plicae. Although they are normally found in up to 60% of adult knees, plicae may become pathologically thickened and symptomatic, resulting in the "plicae syndrome." In addition, persistence of these structures in their embryonic form as complete septa may give rise to a varietellar, medial patellar, and infrapatellar plicae. Although they are normally found in up to 60% of adult knees, plicae may become pathologically thickened and symptomatic, resulting in the "plicae syndrome." In addition, persistence of these structures in their embryonic form as complete septa may give rise to a variety of intra-articular compartmental syndromes. This report describes the anatomy and embryology of synovial plicae, as well as the clinical and radiographic findings associated with abnormal plicae in a variety of clinical entities.

Arthritis↗
PubMed1981

Tarsal navicular stress fractures in runners.

The number of participants in running programs at all levels has increased in recent years. As a consequence, practitioners are more frequently dealing with diagnoses in symptomatic runners. Detection of tarsal navicular stress fractures in long distance runners, including the diagnostic value of radionuclide bone scanning, is discussed.

Adolescent↗
PubMed1981

Renal osteodystrophy: magnification radiography of target sites of absorption.

A comprehensive radiographic analysis was made of 20 patients with renal osteodystrophy who were maintained on hemodialysis. Radiographic skeletal surveys were combined with selective magnification views of the phalangeal shafts, phalangeal tufts, and calcaneus, and similar magnification studies were obtained in a "control" population. Results indicate the importance of macroradiography in the early diagnosis of renal osteodystrophy, the sensitivity of bone resorption in the phalanges and tufts in this disease, and the occurrence of plantar calcaneal erosions which may simulate the changes accompanying certain articular disorders.

Adult↗
PubMed1981

Intraosseous calcifications in tophaceous gout.

Intraosseous calcification in association with gouty arthritis was observed in six patients and a single cadaver. This finding, which is usually associated with chronic tophaceous gout, extensive articular destruction, and severe renal disease, is usually seen in the hands, wrists, and feet. It may be associated with additional calcific deposits in the adjacent soft tissues. Although the radiographic appearance of the calcification simulates that of an enchondroma or bone infarct, the abnormality seems related to intraosseous penetration of calcified urate deposits.

Calcinosis↗
PubMed1981

Shoulder arthrography.

Arthrography of the glenohumeral joint is an important diagnostic tool. The procedure is easy to perform and can be accomplished without significant complications in most individuals. If care is exercised in performing the arthrogram, inadvertent injection of the subacromial (subdeltoid) bursa and soft tissue extravasation of contrast material can be avoided. Mild patient discomfort following the procedure may be diminished if small amounts of xylocaine are added to the injection material. Double-contrast or single-contrast examination can be utilized, depending upon the nature of the suspected underlying process. Arthrography of the glenohumeral joint is most useful in delineating the presence of a complete tear of the rotator cuff. It is also valuable in investigating patients with partial (inner) tears of the cuff, adhesive capsulitis, previous anterior dislocations of the joint, and articular diseases. The procedure can define subtle abnormalities of the bicipital tendon and sheath, and can demonstrate the nature of periarticular soft tissue masses. Although it is expected that additional procedures, such as subacromial bursography and arthrography of the acromioclavicular joint will be advocated in the years to come, arthrography of the glenohumeral joint will remain the most important contrast examination of the abnormal shoulder.

Acromioclavicular Joint↗
PubMed1980

Heterotopic ossification in paraplegia: a possible disturbance of the paravertebral venous plexus.

The distribution of the heterotopic ossifications that complicate paraplegia and other neurological disorders is remarkably similar to that of the paravertebral venous plexus of Batson. Stasis within this system consequent to immobilization and spinal trauma, combined with demineralization of the skeleton, are postulated to be the main factors promoting precipitation of calcium salts in the soft tissues in these conditions.

Humans↗
PubMed1980

Eccentric cortical metastases to the skeleton from bronchogenic carcinoma.

Six cases of bronchogenic carcinoma metastatic to bone are reported in which the radiographic pattern of the skeletal metastases was remarkably similar. In each case, the osseous involvement was predominantly cortical, producing a focal area of geographic bone destruction. Predominant roentgen involvement of the cortex without evidence of extensive medullary destructon is unusual with metastatic lesions and has not, to our knowledge, been previously ascribed to a specific tumor. A brief review of distinctive features of metastatic skeletal lesions is given and a possible pathogenic mechanism offered to explain the unusual cortical location of the metastatic deposits in these cases.

Adult↗
PubMed1980

Stress fractures of the inferior pubic ramus following hip surgery.

Fractures of the inferior pubic ramus developed in 5 patients following hip surgery. In at least 4 patients the bony abnormality was related to a stress infraction. Stress fractures of the obturator ring are not commonly reported; however, the authors suggest that they are sometimes overlooked as a postoperative complication that may lead to significant symptoms and a battery of unnecessary diagnostic examinations.

Aged↗