We present a case of sacroiliac fusion performed for an intraarticular
osteochondroma of the sacroiliac joint, which was the cause of severe
pain and disability. Excision of the lesion and sacroiliac fusion wer
e successfully performed by utilizing minimally invasive surgical tech
niques. Although the application of this technique requires a dedicate
d and highly experienced team, the encouraging result of our first cas
e, with minimal morbidity and disability due to the operation, induces
us to recommend this technique in sacroiliac fusion, especially when
fusion is combined with additional procedures such as drainage, biopsy
, or excision.