J.Jpn. Surg. Soc.. 60(10): 1646-1651, 1959

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STUDIES OF THE LEPROTIC MOTOR PARALYSIS REPORT NO.2
PRESUMING THE LOCALITY OF DISTURBED INNERVVATING NERVES WHILE LEPROTIC MYOPARALYSIS OCCURS

A study for presuming the locality of disturbed innervating nerves concerning to leprotic myoparalysis is important to make out a countermeasure for treatment of leprotic motor paralysis. However, up to now literatures related to the above lay emphasis only on local histopatlogic studies, i.e., Gerlach-Dehio who were representatives of the above opinions as well as exponents for peripheral main nerve paralysis.
In 1953, Araki investigated paralysis of skin sensitivity figure of lepra nervorum, and reported the actual object as disturbance of distal part of nerves at the periphery.
According to my clinical opinion, the author agreed with leprotic motor paralysis to be disturbance of distal part of nerves at the periphery as mentioned above, and reported it previously in "Iryo" Vol.10.
In this report, the author studied further about the above subject as follows:
1) In order to find out what relation between sensitivity and motor fibers diverged from the same peripheral nerve had to be disturbed by leprosy, the author investigated muscular function with chronaximetry and paralysis of skin sensitivity figure with the test of subjective disturbance of tactil sensation. Contract 103 cases.
2) The author investigated muscular function related to movements of the fingers and hands of leprosy with the manual test of muscles and studied disturbed states of every innervated branch of the muscles under the respective innervating nerves. Contract 190 cases.
3) The author presumed the locality of leprous lesion at the peripheral part further than the innervated branch.
According to the above observation, the author got the following conclusion:
a) The most part of disturbed leprous peripheral nerves were disturbed independently on every sensitivity or motor fibers diverged from the peripheral main nerves.
b) Regarding to the motor fibers, every innervated branch of the muscles was disturbed when small branch of nerves entered into the proper muscles, that is disturbance of distal part of nerves.
(Author's abstract)

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