The vasomotor instability due to leprosy is a cause of leprous perforating ulcer.
The P. H, of the wound secretion appears in 6.0 to 7.6 in serious stage and 7.4 to 8.2 in slight stage of perforating ulcer.
The blood sedimentation rate of the serious perforating ulcer combining with leprosy increases, and lymphocyte of the local blood also increases in comparison with the general blood.
In the x-ray picture, marked defect and atrophy is observed, especially in as metatarsale and phalanx.
Indican urine is much more in the perforating ulcer combining with leprosy than in the contrast.
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