Plasmacytoma is a rare disease, which afflicts 2 to 3 people per every 100,000 of the general population. Solitary plasmacytoma accounts for 5% of the plasma cell neoplasm. Solitary plasmacytoma of the bone appears more vividly in the axial skeleton (25-60%), which has the red marrow and usually affects the thoracic vertebrae. We report a case of 54-year-old man who has a chest pain on the right side. After being treated for the muscle pain, his symptoms of pain were changed into weakness and allesthesia. We checked the MRI and found a mass lesion in the T5 vertebra, but there were no significant laboratory findings, in blood and urine samples. Finally, he got an operation due to the aggravation of the weakness. The result of biopsy indicated that it was a solitary plasmacytoma of the spine. After 5 months later, the weakness and allesthesia had disappeared.
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To compare the efficacy of ultrasonography guided stellate ganglion block (US-SGB) with that of blind SGB in management of the stroke patients with complex regional pain syndrome (CRPS) type 1.
Forty-two patients with post-stroke CRPS were randomly assigned to either US-guided SGB (22 patients) or blind SGB group (20 patients). The mean age of US-guided SGB and blind SGB groups was 61.3±5.6 years and 59.1±4.5 years. We performed two blockades at 7-day intervals on the affected side of patients with CRPS. Pain intensity, using a visual analog score (VAS), score of CRPS clinical severity, and the amounts of affected hand swelling with a hand volumeter were assessed before, 2 weeks and 4 weeks after treatment.
In both groups, VAS and the amount of hand swelling were significantly decreased after 2 weeks and after 4 weeks. Between two groups, VAS difference of US-guided SGB group and that of blind SGB group were 2.61±1.09, 1.88±0.62 at 2 weeks and 3.67±1.03, 3.13±0.62 at 4 weeks, respectively. US-guided SGB group showed more significant improvement in mean change of VAS compared to the blind SGB group (p-value<0.05).
Both US-guided SGB and blind SGB techniques were effective in relieving pain in subacute stroke patients with CRPS. US-guided SGB was better in pain relief but has no advantages in reduction of hand swelling in this study.
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