Acute Calcium Pyrophosphate Deposition at the Surgical Site after Posterior Lumbar Decompression - Ikko Koike; Satoshi Nori; Satoshi Suzuki; Yohei Takahashi; Osahiko Tsuji; Narihito Nagoshi; Mitsuru Yagi; Kota Watanabe; Morio Matsumoto; Masaya Nakamura (Spine Surgery and Related Research, 2023)