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Functional differentiation is found in the spinal cord. A unique set of neurological deficits follows a multi-focal injury. Clinically, sensory and motor disturbance present independently, often resulting in sensory and motor deficit dissociation. This study examined 103 spinal decompression illness (DCI) cases. The neurological deficit dissociation was classified as follows: 1) Cases with sensory impairment only, or motor dysfunction alone, were tagged as having "dissociation" (44 cases); when a case was with both sensory and motor dysfunction, the spinal level of the sensory impairment was determined and was matched with the spinal segments responsible for the motor dysfunction; 2) If the two spinal areas did not match (i.e. with no regional overlap), they were tagged as having "dissociation" for each motor dysfunction (32 cases). In total, dissociation was present in 76 out of 103 cases. We concluded that clinical neurological deficit dissociation is frequently observed in spinal DCI.

Pneumatosis cystoides intestinalis (PCI) is a disease characterized by retention of gas in the intestinal wall. Retention of gas can be caused by three mechanisms; gas entry through the intestinal mucosa, gas dissection from the pulmonary alveoli and bronchi, and gas generation in the mucous membrane. Since gas in cysts is composed almost entirely of nitrogen, hyperbaric oxygen therapy (HBO2) is effective for treating PCI due to the oxygen windows effect. However, PCI, caused by a mechanism involving pulmonary alveoli or branches, can become aggravated by HBO2. Therefore, we propose modifying HBO2 protocols for cases that do not require an invasive treatment. This study describes favorable results obtained in 2 PCI cases after HBO2 therapy according to our protocol.