case_images: PMC3137835_01
case_images: MRI T2W, done in 2003 shows a small cystic lesion of sacrum, which was presumed to be Tarlov's cyst
case_images: JNRP-1-43-g001.jpg
case_images: PMC3137835_01_JNRP-1-43-g001.jpg
case_images: F1
case_images: Magnetic resonance imaging (MRI) at that time showed small cystic lesion in sacrum and no active treatment was offered [Figure 1].
case_images: MRI T2W, done in 2007 shows enlargement of previous sacral cystic lesion with heterogeneous intensity and extension into presacral space and spinal canal
case_images: JNRP-1-43-g002.jpg
case_images: PMC3137835_01_JNRP-1-43-g002.jpg
case_images: F2
case_images: A repeat MRI done in 2007 showed significant increase in size of cyst with inhomogeneous contents [Figure 2].
case_images: Chitinous cyst wall with multiple daughter cysts
case_images: JNRP-1-43-g003.jpg
case_images: PMC3137835_01_JNRP-1-43-g003.jpg
case_images: F3
case_images: Inner lining of cyst was white with multiple daughter cysts within [Figure 3].
case_images: MRI T2W done after seven months of surgery shows collapsed cyst. There are no intracystic contents. There is no epidural compression
case_images: JNRP-1-43-g004.jpg
case_images: PMC3137835_01_JNRP-1-43-g004.jpg
case_images: F4
case_images: An MRI was done seven months after surgery showed collapsed cyst [Figure 4].