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Monthly Archives: August 2012

Basilar invagination

Basilar invagination means invagination of upper part of the vertebral column into the posterior fossa along with the rim of the foramen magnum. As a result the upper part of cervical cord is stretched over the protecting odontoid peg. Clinically patient has low hairline, short neck and signs and symptoms of …

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Craniovertebral Anomalies of The Nervous System

Cranio vertebral anomalies of the nervous system may be congenital or acquired. These are known to occur at any age and in both the sexes and constitute more than half of all congenital anomalies. The aetiology of these malformations is not well understood but both genetic and environmental factors play …

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Platybasia

Platybasia is an abnormality of the base of the skull in which the angle between the basisphenoid and the basilar portion of the occipital bone is increased. In normal subjects it varies from 119° to 145° and angle more than this is abnormal. As such it is not known to produce …

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Porphyric Neuropathy

Porphyric Neuropathy is the conditino in which acute intermittent porphyria may have neuropathy which is acute and resembles infective polyneuritis. The neuropathy generally occurs in younger age group patients. There is history of recurrent attacks of pain abdomen along with psychotic behavior. Precipitation of illness occurs following surgery, infection or …

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Poliomyelitis – Spinal form, Bulbar Form, Polio encephalitis , Post polio syndrome

Poliomyelitis is an acute infectious disease caused by the Poliovirus belonging to entero virus family and produces a wide variety of symptoms ranging from muscular paralysis, non-paralytic illness to meningeal involvement. Poliomyelitis occurs in both sporadic and epidemic manner. Its maximum incidence is in temperate countries. The seasonal incidence is in the …

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