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PubMed1981

Some observations on the course and relations of the iliohypogastric and ilioinguinal nerves (based on 348 specimens).

In a series of 174 dissecting-room embalmed human cadavers, of both sexes, observations have been made on the variations in the course and relations of the iliohypogastric and ilioinguinal nerves. The mean distance of both the nerves and ot their common trunk (whenever present) from the middle of the inguinal ligament has been found to be as follows:: Iliohypogastric nerve; 2.70 cm (2.75 cm on the right side and 2.66 cm on the left side), ilioinguinal nerve; 0.64 cm (0.62 cm on the right side and 0.67 cm on the left side), and common trunk 0.62 cm (0.70 cm on the right and 0.54 cm on the left side). The position of the iliohypogastric nerve was less than 2.0 cm from the middle of the inguinal ligament in 22.21% of the cases. Conversely, the position of the ilioinguinal nerve was greater than 1 cm from the middle of the inguinal ligament in 23% of the cases. The distance between the emergence of these nerves subcutaneously and the linea alba is not constant. The data obtained from the measurements were not statistically different with regard to either side or sex. Nevertheless, the knowledge of the variations in the course of the iliohypogastric and ilioinguinal nerves and of their common trunk is of practical clinical importance.

Female↗
PubMed1981

[A case of sacral neurinoma].

A case of sacral neurinoma diagnosed in a 67-year-old woman whose clinical symptomatology consisted for fully 54 years of faint but persistent episodes of lumbo- and sacralgia is reported. Only at the terminal moment of observation did the patient present motor and sensitivity disturbances in the lower extremities, paralysis of the sphincters and sacral decubitus. The mass was identified radiologically and submitted to biopsy. It was localized in the left wing of the sacrum and on the corresponding side of the iliac bone, and presented a diameter of 6 X 9 cm. The slow, practically asymptomatic course, the exclusively intra-osseous site, the histological report and late onset of a cauda syndrome, suggest that the origin of the neoplasia lies in the sacral nerves.

Aged↗
PubMed1995

[Value of gadolinium magnetic resonance imaging of the lumbosacral roots in acute polyradiculoneuritis].

Four patients with acute inflammatory polyradiculoneuropathy were evaluated with MRI. In 3 of 4 cases, gadolinium enhancement was observed in the nerve roots of cauda equina, on frontal and horizontal slices. This enhancement was correlated with the severity of the clinical picture and the cerebrospinal-fluid inflammatory protein concentration and supports the inflammatory nature of this forms of acute polyradiculoneuropathy.

Acute Disease↗
PubMed1994

[The thermoregulatory activity of the skeletal muscle motor units in the cat under conditions of sympathetic denervation].

Thermoregulatory activity of motor units was investigated in the cat mm sartorius and semitendinosus on the 7th and 14th days after lumbar sympathectomy. The EMG pattern did not change after gangliotomy but a statistically significant prolongation of the interspike intervals occurred on the 7th day indicating a growing instability of the motoneuronal pool activity. These changes tended to restore on the 14th day. Processes affecting the thermoregulatory activity of the motor units after sympathetic denervation, are discussed.

Animals↗