Biomedical subjects
L M McKinley
Publications and source records attributed to L M McKinley.
Occurrence of cold agglutinins in congenital scoliosis.
Eighty-seven patients undergoing spinal surgery for a variety of conditions were surveyed for the presence of cold agglutinins. Patients with congenital scoliosis or metastatic lesions of the spine were found to have a frequency of cold agglutinins that was 250 to 1000 times greater than that in the general population. This greater frequency was independent of ABO blood group, sex, or age. Pre-admission screening of congenital scoliosis patients is urged.
Idiopathic and congenital scoliosis in twins.
This report contains a case presentation of monozygotic twins who had concordant right thoracic scoliosis of differing severities. One twin also had an associated congenital left lumbar scoliosis and urologic abnormalities. This report would suggest that the genetic basis of scoliosis may occur at multiple gene loci.
Bodies preserved from the days of the Crusades in St Micham's Church, Dublin.
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Scoliosis must be diagnosed early.
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Adult scoliosis: recognition and treatment.
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Torticollis caused by absence of the right sternocleidomastoid muscle.
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Locked dislocation of the great toe.
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Thrombosis of the popliteal artery caused by a neurinoma of the common peroneal nerve.
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Effect of the Harrington compression system on the correction of the rib hump in spinal instrumentation for idiopathic scoliosis.
To analyze the effect of the Harrington compression system on the rib hump in thoracic idiopathic scoliosis, intraoperative measurements were made on 21 cases during correction with the distraction system and after addition of the compression system. The data show that the compression system makes a major contribution to the correction of total rib deformity in over two-thirds of the patients, and the correction of the rib valley is much more significant than correction of the rib hump. Analysis of postoperative spine roentgenograms seems to indicate that the extent of the rib correction does not correlate with spine derotation as measured by the system of Nash and Moe. The improvement in rib correction achieved by addition of the compression system appears to result from changes centered about the costovertebral joints.
The narrow lumbar spinal canal or lumbar spinal stenosis.
Narrow lumbar spinal canal or lumbar spinal stenosis is a not uncommon problem. Thirty-two patients with this disorder have been treated surgically at the Ochsner Medical Center between 1963 and 1973. The best method of diagnosis is a careful history and second is roentgenographic evidence, particularly the myelogram. The surgical treatment consists of total laminectomy and foraminotomy to insure complete decompression of the nerve roots. Eighteen patients have been followed from 14 to 44 months. Sixteen of the 18 considered their operations a success.
Dedifferentiation of low grade chondrosarcomas.
In four unusual cases where a low-grade chondrosarcoma suddenly dedifferentiated into a florid, highly-malignant fibrosarcoma, the average survival was 12 months (range 5-18 months). The surgical treatment of chondrosarcoma consists of a primary excisional biopsy, and if dedifferentiation to fibrosarcoma is seen, radical excision and chemotherapy or irradiation or both.