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Biomedical subjects

M J Jerva

Publications and source records attributed to M J Jerva.

18 recordsLinked to original sources

Schistosomiasis of the spinal cord.

Schistosomiasis of the spinal cord is a rare presentation of a disease involving over 200 million people. A patient from an endemic area presenting as a transverse myelitis or a spinal cord tumor, and with eosinophilia, should alert the physician to the possibility of schistosomiasis of the spinal cord. Diagnosis is based on finding the characteristic eggs in the stool or urine, or if necessary, by rectal, bladder or liver biopsies. Myelography is performed to determine if decompressive laminectomy is necessary.

Adult

Hydrocephalus following translabyrinthine surgery.

Hydrocephalus has been identified and surgically treated with ventricular peritoneal shunts in two of 150 patients following translabyrinthine microsurgical removal of acoustic tumors. This problem has prompted a review of the subject of hydrocephalus in general and "otitic hydrocephalus" in particular in relation to contemporary extended temporal bone surgery.

Aged

Ultrastructural characteristics of human neurilemoma cell nuclei.

Nuclei of human neurilemoma cells exhibit deep and extensive invaginations of part of their surface. Such invaginations contain cytoplasmic matter. However, in areas of the nucleoplasm distant from the invaginations, small membrane-bound bodies, some of which contain a "nucleoid," occur either singly or grouped together and enclosed within a large membrane body. These small bodies are not considered virus-like. Degenerated nuclei from cultured tumor tissue contain spherical bodies, 130 to 230 nm in diameter, with spikes on their surface similar to those seen on envelopes of herpes-type viruses. Significance of these bodies in vivo and in vitro tumor tissues is not known.

Cell Nucleus

End-zones to ozones.

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Air Pollution

Medical ambivalence.

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Delivery of Health Care

The CAT phenomenon.

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Economics, Medical