Psoas Abscess Secondary To Pott’s Spine: A Case Report

Tuberculosis is an ancient disease. Skeletal system involvement is seen in 1%-10% tuberculosis patients. Vertebral tuberculosis is the most common form of bone involvement and amounts for 50% cases of skeletal tuberculosis. About 5% cases of Pott’s disease develop psoas abscess. Psoas abscess secondary to Pott’s spine is rare entity. Here we are reporting a case of psoas abscess secondary to Pott’s spine. A 28 year old female was brought to outpatient department of surgery with complaints of swelling over the left lower back since one month along with back pain and fever since 6-7 months. On local examination, swelling was noticed over the left lumbar and gluteal region, non-tender and soft in consistency. On ultrasound abdomen, a well defined cystic, thick walled lesion was noticed. On CT scan of abdomen and pelvis a well defined hypodense fluid involving the left psoas muscle was observed suggestive of psoas abscess. Under antibiotic coverage, incision and drainage of the abscess was done & sample was sent to microbiology department. On ZN staining, acid fast bacilli were seen. The patient was started on Category 1 of anti-tubercular treatment. Growth on LJ medium was seen after 25-30 days of incubation. By 4 weeks the patient showed improvement in her condition and was discharged.