Prognostic Factors and Long-Term Efficacy of Tonsillectomy in 17 Patients with Pustulotic Arthro-Osteitis.

In this case study, we aimed to evaluate the disease condition of patients with pustulotic arthro-osteitis (PAO) at 36-month post-tonsillectomy. A retrospective analysis of the cases of 17 patients with PAO who were resistant to initial systemic treatments and underwent tonsillectomy at our hospital in 2006-2016 was conducted. The patients' disease condition at 1-, 24-, and 36-month post-tonsillectomy was assessed by the visual analog scale (VAS) score for osteoarthropathic pain, the disease duration, the area of palmoplantar lesions, and the Palmoplantar Pustular Psoriasis Area Severity Index (ppPASI). In the minimum follow-up of 36-month post-tonsillectomy in 17 patients, the median ppPASI and VAS scores decreased from 12 to 1 and from 80 to 20, respectively. Thirteen patients with ≥70% improvement in their VAS scores maintained the same good condition after ≥36 months, whereas four patients with <70% improvement in their VAS scores did not show remarkable improvement after that time point. Furthermore, we found that the improvement in VAS score was not associated with the disease duration or the patients' pre-tonsillectomy ppPASI values. Tonsillectomy might be an alternative treatment option for patients with PAO. Long-term efficacy against pain can be predicted by evaluating a patient's improvement at 1-month post-tonsillectomy.

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Conflict of Interest: The authors have no conflicts of interest to declare.