To cite: Baba A, Ojiri H, Takahashi S, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015213401 DESCRIPTIONF A 47-year-old man was referred to our hospital due to symptoms of trismus and exacerbation of palmoplantar pustulosis. He had been presenting, for 20 years, with refractory and recurrent mandibular osteomyelitis accompanied by palmoplantar pustulos...