case_images: PMC11152525_01
case_images: (a) Posterior view of the thoracic meningocele, (b) positive transillumination test.
case_images: SNI-15-169-g001.jpg
case_images: PMC11152525_01_SNI-15-169-g001.jpg
case_images: F1
case_images: On examination, it was palpable, painless, mobile, vascularized, and readily transilluminated [Figure 1].
case_images: (a) Medullary magnetic resonance imaging (MRI) on a sagittal section in T1-weighted sequence ,(b) T2 sequence, (c) and short-tau inversion-recovery showing an extramedullary intradural cyst from D6 to D8 in T1 hyposignal and T2 hypersignal. (d) Spinal cord MRI on axial section in T1-weighted sequence objecting the extramedullary intradural cystic lesion in T1 hyposignal, (e) T2 sequence showing the subcutaneous fluid formation in T2 hypersignal at the level of D8-D9 communicating with the subarachnoid spaces.
case_images: SNI-15-169-g002.jpg
case_images: PMC11152525_01_SNI-15-169-g002.jpg
case_images: F2
case_images: Thoracic magnetic resonance imaging (MRI) showed a T1 hypointense/T2 hyperintense intradural extramedullary cystic lesion at the T8 level with an exophytic component that did not enhance with contrast, and a subcutaneous fluid collection [Figure 2].
case_images: (a) Band of communication of the meningocele with the mass subcutaneously,(b) epidermoid cyst in extramedullary intradural after opening of the dura, (c) epidermoid cyst in candle wax appearance after resection.
case_images: SNI-15-169-g003.jpg
case_images: PMC11152525_01_SNI-15-169-g003.jpg
case_images: F3
case_images: Intradurally, the stalk was divided [Figure 3a]. The two lesions were found immediately on the posterior surface of the spinal cord, gently removed, and the cord decompressed [Figures 3b and c].
case_images: In the histopathological examination, (a) cystic lesion with stratified squamous epithelium (black arrow) (hematoxylin-eosin, x100). (b) Stained by leukocyte common antigen (LCA), around the cystic lesion with stratified squamous epithelium (LCA, x100). (c) Stratified squamous epithelium stained with pancytokeratin. Desquamation of keratin from the epithelial lining can be observed (pancytokeratin, x100) (White arrow), inflammatory cells (black arrowhead).
case_images: SNI-15-169-g004.jpg
case_images: PMC11152525_01_SNI-15-169-g004.jpg
case_images: F4
case_images: Histopathology confirmed the diagnosis of an EC [Figures 4 and 5].
case_images: At 1-year follow-up, control magnetic resonance imaging of the spine showed no recurrence.
case_images: SNI-15-169-g005.jpg
case_images: PMC11152525_01_SNI-15-169-g005.jpg
case_images: F5
case_images: Histopathology confirmed the diagnosis of an EC [Figures 4 and 5]. At 1-year follow-up, control MRI showed no recurrence [Figure 5].