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Biomedical subjects

S S Coleman

Publications and source records attributed to S S Coleman.

12 recordsLinked to original sources
PubMed1991

The present attitude toward the biology and technology of limb lengthening.

Over the past ten years, many technical innovations and biologic concepts have appeared as they relate to the lengthening of long bones. Each of these has had a substantial influence upon the approach to the treatment of major discrepancies in limb length and angular deformities. It is the purpose of this paper to present these issues as objectively as possible so that the reader can put them into proper perspective, recognizing that there will be some degree of bias in the implementation of some of the technical devices. To appreciate the utility of these techniques, it is necessary to understand the biologic foundation of each method as well as its advantages and disadvantages.

Bone Lengthening↗
PubMed1978

Tibial lengthening.

Tibial lengthening as a means of correcting certain discrepancies in lower limb length has become a well-accepted, though rarely indicated, procedure. Success depends upon knowledgable evaluation of all factors involved in the problem, upon adherence to the indications and prerequisites, and upon strict attention to all details of the operation. Nearly all cases of tibial lengthening are accompanied or followed by problems and/or complications. Problems such as delayed union, inadequate union and failure of union must be anticipated and appropriately coped with. Complications such as fracture through the lengthened area, compartment syndromes, infection, and foot and ankle deformities must be prevented if at all possible, and aggressively treated when they occur. Utilizing the appropriate indications and meticulous technique, one can expect to achieve lengthening of 4--5 cm in nearly all cases. Bone grafting and internal fixation will be required in a significant number of tibial lengthenings in order to achieve strong, solid union. The technique currently employed by the authors utilizes the Anderson percutaneous osteotomy, accompanied by the Wagner apparatus. In critically analyzing the results of 73 personal cases of tibial lengthening, the authors conclude that the procedure is justified in carefully selected patients.

Adolescent↗
PubMed1977

Isolated subcutaneous nodules (pseudorheumatoid).

Ten patients with isolated subcutaneous nodules histologically similar to rheumatoid nodules were studied. Because of the intense fibroblastic reaction in one such nodule, it was initially mistaken for a fibrosarcoma. The nodules tended to be multiple and recurrent, with eventual spontaneous regression, and they were not associated with any systemic illness. The etiology of these lesions is unclear but the possibility of subsequent development of systemic rheumatoid disease is remote.

Adolescent↗
PubMed1976

Nontraumatic myositis ossificans in healthy individuals.

Myositis ossificans has been subclassified into three categories: traumatic, progressive, or those cases associated with neuromuscular and chronic disease. Four cases of myositis ossificans occurred in otherwise healthy individuals without any history of trauma. These four patients illustrate a fourth and distinct subclassification of the disease.

Adolescent↗
PubMedDate not supplied

The value of the acetabular teardrop figure in assessing pediatric hip disorders.

We have observed that the acetabular teardrop figure provides extremely useful information about the development of the hip in young children. Normal development of the acetabulum is associated with progressive narrowing of the teardrop figure and development of a concave shape to its acetabular line. Anatomic and functional abnormalities of the hip can cause abnormalities of the teardrop figure, including absence of the acetabular line, persistent widening, and a V-shaped teardrop figure. In young children, these abnormalities can be reversed to some degree by stabilizing operations, but it is unusual to observe substantial change in appearance of the teardrop figure after a child is aged 8 years.

Acetabulum↗
PubMedDate not supplied

Intraarticular loose bodies in the adolescent hip: results of treatment of those recognized late.

Seven cases of intraarticular loose bodies, previously unrecognized, were treated with surgical removal of the fragment. The presence of an intraarticular loose body was suspected because of persistent pain, restriction of hip joint motion, and asymmetric widening of the medial clear space on an anteroposterior (AP) pelvic roentgenogram. The diagnosis was established by computed tomography (CT) scan. Surgical removal should yield a good to excellent result, even when performed late, as long as osteonecrosis is not present at the time of operation.

Adolescent↗