Propionibacterium acnes sacroiliitis abscess: the private role of biopsy

The article discusses the following situation in some detail : An 84-year-old Fijian-Indian woman presented with new onset right sciatica. There was no recent history of trauma or infection. Her medical background included osteoporosis, superficial Pseudomonas wound infection after a successful decompression surgery for lumbar canal stenoses 1 year earlier, urinary stress incontinence, a hypertensive intracerebral haemorrhage at the age of 54 years with no residual neurological deficit, and ischaemic heart disease. Prior to this presentation, the patient was independent of activities of daily living...