Acute septic arthritis

Case contributed by Dr Anil Geetha Virupakshappa

Presentation

Acute left hip pain since 4 days

Patient Data

Age: 50 years
Gender: Female
mri

Acute septic arthritis of left hip joint is noted in the form of acute osteomyelitis of left femoral neck extending up to inter-trochanteric region and head with intramedullary abscess measuring 1.6 x 1.2 x 1.7cm, moderate purulent joint effusion and diffuse synovial thickening. 
There is extension of infective/inflammatory focus to left acetabular roof which shows diffuse marrow edema.
No intrapelvic extension.
The anterior and adductor compartment muscles surrounding left joint show diffuse inflammatory changes. No drainable organized collection. No iliopsoas abscess. 

Mild right hip joint effusion is also noted. Rest of the pelvic joints and bones appear normal.
Pelvic organs appear normal.

Case Discussion

Ultrasound guided aspiration of joint revealed thick pus. Around 15ml of pus was aspirated and sent for microscopy and culture. Patient recovered after completion of course of antibiotic therapy.

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